Yamaha Rhino 450 YXR45FAV User manual

Category
Motorcycles
Type
User manual
LIT-11616-19-43 2P5-F8197-10
YXR45FAV
SERVICE MANUAL
EBS00001
YXR45FAV
SERVICE MANUAL
©2005 by Yamaha Motor Corporation, U.S.A.
First Edition, August 2005
All rights reserved.
Any reproduction or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in U.S.A.
LIT-11616-19-43
EBS00002
NOTICE
This manual was produced by the Yamaha Motor Company primarily for use by Yamaha dealers
and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one
manual, so it is assumed that anyone who uses this book to perform maintenance and repairs on
Yamaha vehicle has a basic understanding of the mechanical ideas and the procedures of vehicle
repair. Repairs attempted by anyone without this knowledge are likely to render the vehicle unsafe
and unfit for use.
Yamaha Motor Company, Ltd. is continually striving to improve all its models. Modifications and sig-
nificant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers
and will appear in future editions of this manual where applicable.
NOTE:
_
Designs and specifications are subject to change without notice.
EBS00003
IMPORTANT INFORMATION
Particularly important information is distinguished in this manual by the following notations.
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR
SAFETY IS INVOLVED!
Failure to follow WARNING instructions could result in severe injury or death
to the vehicle operator, passenger, a bystander, or a person checking or
repairing the vehicle.
A CAUTION indicates special precautions that must be taken to avoid dam-
age to the vehicle.
A NOTE provides key information to make procedures easier or clearer.
WARNING
CAUTION:
NOTE:
EBS00004
HOW TO USE THIS MANUAL
MANUAL ORGANIZATION
This manual consists of chapters for the main categories of subjects. (See “symbols”)
1st title
1
: This is the title of the chapter with its symbol in the upper right corner of each page.
2nd title
2
: This title indicates the section of the chapter and only appears on the first page of each
section. It is located in the upper left corner of the page.
3rd title
3
: This title indicates a sub-section that is followed by step-by-step procedures accompa-
nied by corresponding illustrations.
EXPLODED DIAGRAMS
To help identify parts and clarify procedure steps, there are exploded diagrams at the start of each
removal and disassembly section.
1. An easy-to-see exploded diagram
4
is provided for removal and disassembly jobs.
2. Numbers
5
are given in the order of the jobs in the exploded diagram. A number that is enclosed
by a circle indicates a disassembly step.
3. An explanation of jobs and notes is presented in an easy-to-read way by the use of symbol marks
6
. The meanings of the symbol marks are given on the next page.
4. A job instruction chart
7
accompanies the exploded diagram, providing the order of jobs, names
of parts, notes in jobs, etc.
5. For jobs requiring more information, the step-by-step format supplements
8
are given in addition
to the exploded diagram and the job instruction chart.
EBS00006
SYMBOLS
The following symbols are not relevant to
every vehicle.
Symbols
1
to
0
indicate the subject of each
chapter.
1
General information
2
Specifications
3
Periodic checks and adjustments
4
Engine
5
Cooling system
6
Fuel system
7
Drive train
8
Chassis
9
Electrical
0
Troubleshooting
Symbols
A
to
H
indicate the following.
A
Can be serviced with engine mounted
B
Filling fluid
C
Lubricant
D
Special tool
E
Torque
F
Wear limit, clearance
G
Engine speed
H
Electrical data (
, V, A)
Symbols
I
to
N
in the exploded diagrams
indicate the types of lubricants and lubrication
points.
I
Apply engine oil
J
Apply gear oil
K
Apply molybdenum disulfide oil
L
Apply wheel bearing grease
M
Apply lithium-soap-based grease
N
Apply molybdenum disulfide grease
Symbols
O
to
P
in the exploded diagrams
indicate where to apply a locking agent
O
and
when to install a new part
P
.
O
Apply the locking agent (LOCTITE
®
)
P
Replace
12
34
56
78
90
AB
CD
EF
GH
IJK
LMN
OP
GEN
INFO
SPEC
CHK
ADJ
ENG
COOL
FUEL
DRIV
CHAS
–+
ELEC
TRBL
SHTG
T
R
.
.
E
G
M
B
LS
M
LT
New
EBS00008
TABLE OF CONTENTS
GENERAL INFORMATION
GEN
INFO
1
SPECIFICATIONS
SPEC
2
PERIODIC CHECKS AND
ADJUSTMENTS
CHK
ADJ
3
ENGINE
ENG
4
COOLING SYSTEM
COOL
5
FUEL SYSTEM
FUEL
6
DRIVE TRAIN
DRIV
7
CHASSIS
CHAS
8
ELECTRICAL
ELEC
9
TROUBLESHOOTING
TRBL
SHTG
10
+
CONTENTS
CHAPTER 1
GENERAL INFORMATION
VEHICLE IDENTIFICATION
............................................................................1-1
VEHICLE IDENTIFICATION NUMBER .....................................................1-1
MODEL LABEL..........................................................................................1-1
IMPORTANT INFORMATION
.........................................................................1-2
PREPARATION FOR REMOVAL PROCEDURES ...................................1-2
REPLACEMENT PARTS...........................................................................1-2
GASKETS, OIL SEALS AND O-RINGS ....................................................1-2
LOCK WASHERS/PLATES AND COTTER PINS .....................................1-3
BEARINGS AND OIL SEALS ....................................................................1-3
CIRCLIPS ..................................................................................................1-3
CHECKING OF CONNECTIONS
....................................................................1-4
SPECIAL TOOLS
............................................................................................1-5
CHAPTER 2
SPECIFICATIONS
GENERAL SPECIFICATIONS
........................................................................2-1
ENGINE SPECIFICATIONS
............................................................................2-5
CHASSIS SPECIFICATIONS
........................................................................2-13
ELECTRICAL SPECIFICATIONS
.................................................................2-15
TIGHTENING TORQUES
..............................................................................2-18
ENGINE TIGHTENING TORQUES.........................................................2-18
CHASSIS TIGHTENING TORQUES.......................................................2-21
LUBRICATION POINTS AND LUBRICANT TYPES
....................................2-24
ENGINE...................................................................................................2-24
HOW TO USE THE CONVERSION TABLE
..................................................2-25
GENERAL TIGHTENING TORQUE SPECIFICATIONS
...............................2-25
COOLANT FLOW DIAGRAMS .....................................................................2-26
OIL FLOW DIAGRAMS.................................................................................2-29
CABLE ROUTING .........................................................................................2-34
CHAPTER 3
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION..............................................................................................3-1
PERIODIC MAINTENANCE/LUBRICATION ..................................................3-1
ENGINE ...........................................................................................................3-3
ADJUSTING THE VALVE CLEARANCE ..................................................3-3
ADJUSTING THE IDLING SPEED............................................................3-5
ADJUSTING THE THROTTLE CABLE .....................................................3-7
ADJUSTING THE STARTER CABLE .......................................................3-8
CHECKING THE SPARK PLUG ...............................................................3-9
CHECKING THE IGNITION TIMING.......................................................3-10
MEASURING THE COMPRESSION PRESSURE..................................3-11
CHECKING THE ENGINE OIL LEVEL....................................................3-13
CHANGING THE ENGINE OIL ...............................................................3-14
CLEANING THE AIR FILTER ELEMENTS .............................................3-16
CHECKING THE COOLANT LEVEL.......................................................3-19
CHANGING THE COOLANT...................................................................3-20
CHECKING THE COOLANT TEMPERATURE WARNING LIGHT.........3-25
CHECKING THE V-BELT........................................................................3-25
CLEANING THE SPARK ARRESTER ....................................................3-27
CHASSIS .......................................................................................................3-28
ADJUSTING THE BRAKE PEDAL ..........................................................3-28
ADJUSTING THE PARKING BRAKE......................................................3-29
CHECKING THE BRAKE FLUID LEVEL.................................................3-30
CHECKING THE FRONT BRAKE PADS ................................................3-31
CHECKING THE REAR BRAKE PADS ..................................................3-31
CHECKING THE BRAKE HOSES AND BRAKE PIPES .........................3-31
BLEEDING THE HYDRAULIC BRAKE SYSTEM ...................................3-32
ADJUSTING THE SELECT LEVER SHIFT ROD....................................3-34
ADJUSTING THE BRAKE LIGHT SWITCH ............................................3-34
CHECKING THE FINAL GEAR OIL LEVEL ............................................3-35
CHANGING THE FINAL GEAR OIL........................................................3-36
CHECKING THE DIFFERENTIAL GEAR OIL.........................................3-36
CHANGING THE DIFFERENTIAL GEAR OIL ........................................3-37
CHECKING THE CONSTANT VELOCITY JOINT DUST BOOTS ..........3-38
CHECKING THE STEERING SYSTEM ..................................................3-39
ADJUSTING THE TOE-IN.......................................................................3-39
ADJUSTING THE FRONT SHOCK ABSORBERS .................................3-41
ADJUSTING THE REAR SHOCK ABSORBERS....................................3-41
CHECKING THE TIRES..........................................................................3-42
CHECKING THE WHEELS .....................................................................3-44
CHECKING AND LUBRICATING THE CABLES ....................................3-44
LUBRICATING THE PEDALS, ETC........................................................3-45
ELECTRICAL ................................................................................................3-46
CHECKING AND CHARGING THE BATTERY.......................................3-46
CHECKING THE FUSES ........................................................................3-51
ADJUSTING THE HEADLIGHT BEAMS.................................................3-53
CHANGING THE HEADLIGHT BULBS...................................................3-53
CHANGING THE TAIL/BRAKE LIGHT BULBS.......................................3-54
CHAPTER 4
ENGINE
ENGINE REMOVAL ........................................................................................4-1
AIR DUCTS, MUFFLER AND EXHAUST PIPE ........................................4-1
SELECT LEVER UNIT AND COOLANT RESERVOIR .............................4-3
HOSES AND LEADS.................................................................................4-4
ENGINE MOUNTING BOLTS ...................................................................4-6
INSTALLING THE ENGINE.......................................................................4-8
CYLINDER HEAD............................................................................................4-9
REMOVING THE CYLINDER HEAD.......................................................4-11
CHECKING THE TAPPET COVERS ......................................................4-12
CHECKING THE TIMING CHAIN TENSIONER......................................4-12
CHECKING THE CAMSHAFT SPROCKET............................................4-12
CHECKING THE CYLINDER HEAD .......................................................4-13
INSTALLING THE CYLINDER HEAD .....................................................4-14
CAMSHAFT, ROCKER ARMS AND VALVES..............................................4-17
REMOVING THE CAMSHAFT AND ROCKER ARMS............................4-19
REMOVING THE VALVES AND VALVE SPRINGS ...............................4-19
CHECKING THE CAMSHAFT.................................................................4-20
CHECKING THE ROCKER ARMS AND CAMSHAFT ............................4-20
CHECKING THE VALVES AND VALVE SPRINGS ................................4-22
INSTALLING THE VALVES AND VALVE SPRINGS ..............................4-26
INSTALLING THE CAMSHAFT AND ROCKER ARMS ..........................4-27
CYLINDER AND PISTON..............................................................................4-28
REMOVING THE PISTON ......................................................................4-29
CHECKING THE TIMING CHAIN GUIDE ...............................................4-29
CHECKING THE CYLINDER AND PISTON ...........................................4-29
CHECKING THE PISTON RINGS...........................................................4-31
CHECKING THE PISTON PIN ................................................................4-32
INSTALLING THE PISTON .....................................................................4-33
INSTALLING THE CYLINDER ................................................................4-34
ENGINE COOLING FAN AND A.C. MAGNETO...........................................4-35
REMOVING THE A.C. MAGNETO..........................................................4-38
CHECKING THE A.C. MAGNETO ..........................................................4-38
CHECKING THE STARTER CLUTCH ....................................................4-39
CHECKING THE ENGINE COOLING FAN.............................................4-40
INSTALLING THE A.C. MAGNETO ........................................................4-40
PRIMARY AND SECONDARY SHEAVES....................................................4-42
PRIMARY SLIDING SHEAVE .................................................................4-43
SECONDARY SHEAVE ..........................................................................4-44
REMOVING THE PRIMARY AND SECONDARY SHEAVES .................4-45
DISASSEMBLING THE SECONDARY SHEAVE....................................4-45
CHECKING THE PRIMARY SHEAVE ....................................................4-46
CHECKING THE SECONDARY SHEAVE ..............................................4-46
CHECKING THE V-BELT CASE COOLING FAN ...................................4-47
ASSEMBLING THE PRIMARY SHEAVE ................................................4-47
ASSEMBLING THE SECONDARY SHEAVE..........................................4-47
INSTALLING THE PRIMARY AND SECONDARY SHEAVES................4-49
CLUTCH ........................................................................................................4-50
REMOVING THE CLUTCH .....................................................................4-52
CHECKING THE CLUTCH......................................................................4-52
INSTALLING THE CLUTCH....................................................................4-53
CRANKCASE ................................................................................................4-55
STARTER MOTOR, TIMING CHAIN AND OIL FILTER..........................4-55
CRANKCASE ..........................................................................................4-58
CRANKCASE BEARINGS.......................................................................4-59
REMOVING THE OIL PUMP DRIVE GEAR ...........................................4-60
SEPARATING THE CRANKCASE..........................................................4-60
CHECKING THE TIMING CHAIN AND GUIDE.......................................4-61
CHECKING THE OIL STRAINER AND OIL DELIVERY PIPE ................4-61
CHECKING THE RELIEF VALVE ...........................................................4-62
CHECKING THE CRANKCASE ..............................................................4-62
CHECKING THE BEARINGS..................................................................4-62
INSTALLING THE BEARING RETAINER ...............................................4-62
ASSEMBLING THE CRANKCASE..........................................................4-63
INSTALLING THE SHIFT LEVER ...........................................................4-64
INSTALLING THE OIL PUMP DRIVE GEAR ..........................................4-64
CRANKSHAFT AND OIL PUMP ...................................................................4-65
OIL PUMP ...............................................................................................4-66
REMOVING THE CRANKSHAFT ...........................................................4-67
CHECKING THE OIL PUMP ...................................................................4-67
CHECKING THE CRANKSHAFT ............................................................4-68
INSTALLING THE CRANKSHAFT AND BALANCER .............................4-69
TRANSMISSION............................................................................................4-70
CHECKING THE SHIFT FORKS.............................................................4-72
CHECKING THE SHIFT DRUM ..............................................................4-72
CHECKING THE TRANSMISSION .........................................................4-73
CHECKING THE SECONDARY SHAFT AND DRIVEN SPROCKET.....4-73
CHECKING THE CHAIN .........................................................................4-73
INSTALLING THE TRANSMISSION .......................................................4-74
MIDDLE GEAR ..............................................................................................4-75
MIDDLE DRIVE PINION GEAR SHAFT..................................................4-75
MIDDLE DRIVE SHAFT ..........................................................................4-76
REMOVING THE MIDDLE DRIVE PINION GEAR SHAFT.....................4-78
REMOVING THE MIDDLE DRIVE SHAFT .............................................4-78
CHECKING THE PINION GEARS ..........................................................4-81
SELECTING THE MIDDLE DRIVE AND DRIVEN GEAR SHIMS...........4-81
INSTALLING THE MIDDLE DRIVE SHAFT ............................................4-84
INSTALLING THE MIDDLE DRIVE PINION GEAR SHAFT ...................4-87
MEASURING THE MIDDLE GEAR BACKLASH.....................................4-87
CHAPTER 5
COOLING SYSTEM
RADIATOR AND COOLANT RESERVOIR ....................................................5-1
CHECKING THE RADIATOR....................................................................5-3
WATER PUMP.................................................................................................5-4
DISASSEMBLING THE WATER PUMP....................................................5-6
CHECKING THE WATER PUMP ..............................................................5-6
ASSEMBLING THE WATER PUMP..........................................................5-7
OIL COOLER...................................................................................................5-9
CHECKING THE OIL COOLER ..............................................................5-11
CHAPTER 6
FUEL SYSTEM
FUEL PUMP AND FUEL TANK ......................................................................6-1
CHECKING THE FUEL PUMP OPERATION............................................6-3
CARBURETOR................................................................................................6-4
DISASSEMBLING THE CARBURETOR...................................................6-8
CHECKING THE CARBURETOR .............................................................6-8
ASSEMBLING THE CARBURETOR.......................................................6-10
ADJUSTING THE FUEL LEVEL..............................................................6-11
INSTALLING THE CARBURETOR .........................................................6-12
CHAPTER 7
DRIVE TRAIN
TROUBLESHOOTING
.....................................................................................7-1
FRONT CONSTANT VELOCITY JOINTS, DIFFERENTIAL GEAR AND
FRONT DRIVE SHAFT
...................................................................................7-4
DISASSEMBLING THE UNIVERSAL JOINT ............................................7-9
DISASSEMBLING THE DIFFERENTIAL GEAR .......................................7-9
CHECKING THE CONSTANT VELOCITY JOINTS ................................7-10
CHECKING THE DIFFERENTIAL GEAR................................................7-10
CHECKING THE GEAR MOTOR............................................................7-11
ASSEMBLING THE FRONT CONSTANT VELOCITY JOINTS ..............7-11
ASSEMBLING THE DIFFERENTIAL GEAR ...........................................7-12
ASSEMBLING THE UNIVERSAL JOINT ................................................7-14
MEASURING AND ADJUSTING THE DIFFERENTIAL GEAR LASH ....7-14
CHECKING THE DIFFERENTIAL OPERATION.....................................7-16
REAR CONSTANT VELOCITY JOINTS, FINAL DRIVE GEAR AND
REAR DRIVE SHAFT
...................................................................................7-18
ASSEMBLING THE REAR CONSTANT VELOCITY JOINTS.................7-24
DISASSEMBLING THE FINAL DRIVE GEAR.........................................7-24
REMOVING THE FINAL DRIVE ROLLER BEARINGS...........................7-25
INSTALLING THE FINAL DRIVE ROLLER BEARINGS .........................7-26
POSITIONING THE FINAL DRIVE PINION GEAR AND RING GEAR ...7-26
CHECKING THE REAR DRIVE SHAFT..................................................7-31
CHECKING THE FINAL DRIVE GEAR ASSEMBLY...............................7-31
MEASURING AND ADJUSTING THE FINAL GEAR LASH....................7-32
ASSEMBLING THE FINAL DRIVE GEAR ASSEMBLY ..........................7-33
CHAPTER 8
CHASSIS
SEATS, ENCLOSURE, HOOD AND CARGO BED
........................................8-1
FRONT GUARD AND HOOD....................................................................8-1
SEATS, CONSOLE AND INSTRUMENT PANELS...................................8-2
PANELS AND FOOTREST COVER .........................................................8-4
CARGO BED .............................................................................................8-5
SKID PLATES ...........................................................................................8-7
INSTALLING THE REAR SKID PLATE.....................................................8-8
ENCLOSURE AND SEAT BELTS.............................................................8-9
FRONT WHEELS AND BRAKE DISCS........................................................8-10
CHECKING THE FRONT WHEELS........................................................8-12
CHECKING THE FRONT WHEEL HUBS ...............................................8-12
CHECKING THE FRONT BRAKE DISCS...............................................8-13
INSTALLING THE FRONT WHEEL HUBS .............................................8-13
INSTALLING THE FRONT WHEELS......................................................8-13
REAR WHEELS AND BRAKE DISC ............................................................8-14
REAR WHEELS ......................................................................................8-14
REAR BRAKE DISC................................................................................8-15
CHECKING THE REAR WHEELS ..........................................................8-16
CHECKING THE REAR WHEEL HUBS..................................................8-16
CHECKING THE REAR BRAKE DISC....................................................8-16
INSTALLING THE REAR WHEEL HUBS................................................8-17
INSTALLING THE REAR WHEELS ........................................................8-17
FRONT AND REAR BRAKES.......................................................................8-18
FRONT BRAKE PADS ............................................................................8-18
REAR BRAKE PADS...............................................................................8-19
REPLACING THE FRONT BRAKE PADS ..............................................8-20
REPLACING THE REAR BRAKE PADS.................................................8-21
BRAKE MASTER CYLINDER .................................................................8-24
CHECKING THE MASTER CYLINDER ..................................................8-26
ASSEMBLING THE BRAKE MASTER CYLINDER.................................8-26
INSTALLING THE BRAKE MASTER CYLINDER ...................................8-27
FRONT BRAKE CALIPERS ....................................................................8-29
REAR BRAKE CALIPER .........................................................................8-31
REMOVING THE REAR BRAKE CALIPER ............................................8-35
DISASSEMBLING THE FRONT BRAKE CALIPERS..............................8-35
DISASSEMBLING THE REAR BRAKE CALIPER ..................................8-35
CHECKING THE FRONT AND REAR BRAKE CALIPERS ....................8-36
ASSEMBLING THE FRONT BRAKE CALIPERS....................................8-37
ASSEMBLING THE REAR BRAKE CALIPER ........................................8-38
INSTALLING THE FRONT BRAKE CALIPERS ......................................8-40
INSTALLING THE REAR BRAKE CALIPER...........................................8-41
PEDAL ASSEMBLY ......................................................................................8-43
STEERING SYSTEM.....................................................................................8-45
STEERING COLUMN AND STEERING ASSEMBLY .............................8-45
DISASSEMBLING THE STEERING ASSEMBLY ...................................8-48
CHECKING THE STEERING JOINT.......................................................8-48
CHECKING THE STEERING ASSEMBLY..............................................8-48
ASSEMBLING THE STEERING ASSEMBLY .........................................8-49
INSTALLING THE STEERING SYSTEM ................................................8-50
TIE-RODS AND STEERING KNUCKLES ...............................................8-51
REMOVING THE STEERING KNUCKLES .............................................8-52
CHECKING THE TIE-RODS ...................................................................8-52
CHECKING THE STEERING KNUCKLES..............................................8-52
FRONT ARMS AND FRONT SHOCK ABSORBERS ...................................8-56
REMOVING THE FRONT ARMS ............................................................8-58
CHECKING THE FRONT ARMS.............................................................8-58
CHECKING THE FRONT SHOCK ABSORBERS...................................8-60
INSTALLING THE FRONT ARMS AND FRONT SHOCK
ABSORBERS .........................................................................................8-61
REAR KNUCKLES AND STABILIZER .........................................................8-62
CHECKING THE REAR KNUCKLES ......................................................8-63
CHECKING THE STABILIZER................................................................8-63
INSTALLING THE STABILIZER..............................................................8-64
REAR ARMS AND REAR SHOCK ABSORBERS .......................................8-65
CHECKING THE REAR ARMS ...............................................................8-66
CHECKING THE REAR SHOCK ABSORBERS .....................................8-66
INSTALLING THE REAR ARMS AND REAR SHOCK ABSORBERS ....8-67
CHAPTER 9
ELECTRICAL
ELECTRICAL COMPONENTS........................................................................9-1
CHECKING THE SWITCHES..........................................................................9-3
CHECKING THE SWITCHES ...................................................................9-3
CHECKING A SWITCH SHOWN IN THE MANUAL .................................9-3
CHECKING THE SWITCH CONTINUITY .................................................9-5
CHECKING THE BULBS AND BULB SOCKETS ..........................................9-7
TYPES OF BULBS ....................................................................................9-7
CHECKING THE CONDITION OF THE BULBS .......................................9-7
CHECKING THE CONDITION OF THE BULB SOCKETS .......................9-9
IGNITION SYSTEM .......................................................................................9-10
CIRCUIT DIAGRAM ................................................................................9-10
TROUBLESHOOTING ............................................................................9-11
ELECTRIC STARTING SYSTEM ..................................................................9-16
CIRCUIT DIAGRAM ................................................................................9-16
STARTING CIRCUIT OPERATION.........................................................9-17
TROUBLESHOOTING ............................................................................9-18
STARTER MOTOR .................................................................................9-21
CHECKING THE STARTER MOTOR .....................................................9-22
ASSEMBLING THE STARTER MOTOR.................................................9-23
CHARGING SYSTEM....................................................................................9-24
CIRCUIT DIAGRAM ...............................................................................9-24
TROUBLESHOOTING ............................................................................9-25
LIGHTING SYSTEM ......................................................................................9-27
CIRCUIT DIAGRAM ................................................................................9-27
TROUBLESHOOTING ............................................................................9-28
CHECKING THE LIGHTING SYSTEM....................................................9-30
SIGNALING SYSTEM ...................................................................................9-33
CIRCUIT DIAGRAM ................................................................................9-33
TROUBLESHOOTING ............................................................................9-35
CHECKING THE SIGNAL SYSTEM .......................................................9-37
COOLING SYSTEM.......................................................................................9-47
CIRCUIT DIAGRAM ................................................................................9-47
TROUBLESHOOTING ............................................................................9-48
2WD/4WD SELECTING SYSTEM.................................................................9-52
CIRCUIT DIAGRAM ................................................................................9-52
TROUBLESHOOTING ............................................................................9-53
CARBURETOR HEATING SYSTEM.............................................................9-57
CIRCUIT DIAGRAM ................................................................................9-57
TROUBLESHOOTING ............................................................................9-58
CHAPTER 10
TROUBLESHOOTING
STARTING FAILURE/HARD STARTING .....................................................10-1
FUEL SYSTEM........................................................................................10-1
ELECTRICAL SYSTEM...........................................................................10-1
COMPRESSION SYSTEM......................................................................10-2
POOR IDLE SPEED PERFORMANCE .........................................................10-2
POOR IDLE SPEED PERFORMANCE...................................................10-2
POOR MEDIUM AND HIGH-SPEED PERFORMANCE................................10-2
POOR MEDIUM AND HIGH-SPEED PERFORMANCE .........................10-2
FAULTY DRIVE TRAIN.................................................................................10-3
FAULTY GEAR SHIFTING............................................................................10-4
HARD SHIFTING.....................................................................................10-4
SHIFT LEVER DOES NOT MOVE .......................................................... 10-4
JUMPS OUT OF GEAR...........................................................................10-4
FAULTY CLUTCH PERFORMANCE ............................................................10-4
ENGINE OPERATES BUT VEHICLE WILL NOT MOVE ........................10-4
CLUTCH SLIPPING ................................................................................10-4
POOR STARTING PERFORMANCE......................................................10-4
POOR SPEED PERFORMANCE............................................................10-5
OVERHEATING.............................................................................................10-5
OVERHEATING ......................................................................................10-5
FAULTY BRAKE ...........................................................................................10-5
POOR BRAKING EFFECT......................................................................10-5
SHOCK ABSORBER MALFUNCTION .........................................................10-5
MALFUNCTION.......................................................................................10-5
UNSTABLE HANDLING................................................................................10-6
UNSTABLE HANDLING ..........................................................................10-6
LIGHTING SYSTEM ......................................................................................10-6
HEADLIGHT DOES NOT COME ON ......................................................10-6
BULB BURNT OUT .................................................................................10-6
1 - 1
GEN
INFO
GENERAL INFORMATION
VEHICLE IDENTIFICATION
VEHICLE IDENTIFICATION NUMBER
The vehicle identification number 1 is
stamped into the left side of the frame.
MODEL LABEL
The model label 1 is affixed to the frame. This
information will be needed to order spare
parts.
1
VEHICLE IDENTIFICATION
1 - 2
GEN
INFO
IMPORTANT INFORMATION
EB101000
IMPORTANT INFORMATION
PREPARATION FOR REMOVAL
PROCEDURES
1. Remove all dirt, mud, dust and foreign
material before removal and disassembly.
2. Use proper tools and cleaning equipment.
Refer to SPECIAL TOOLS.
3. When disassembling the vehicle, always
keep mated parts together. This includes
gears, cylinder, piston and other parts that
have been mated through normal wear.
Mated parts must always be reused or
replaced as an assembly.
4. During vehicle disassembly, clean all parts
and place them in trays in the order of dis-
assembly. This will speed up assembly and
allow for the correct installation of all parts.
5. Keep all parts away from any source of fire.
EB101010
REPLACEMENT PARTS
1. Use only genuine Yamaha parts for all
replacements. Use oil and grease recom-
mended by Yamaha for all lubrication jobs.
Other brands may be similar in function and
appearance, but inferior in quality.
EB101020
GASKETS, OIL SEALS AND O-RINGS
1. Replace all gaskets, seals and O-rings
when overhauling the engine. All gasket
surfaces, oil seal lips and O-rings must be
cleaned.
2. Properly oil all mating parts and bearings
during reassembly. Apply grease to the oil
seal lips.
1
1 - 3
GEN
INFO
IMPORTANT INFORMATION
EB101030
LOCK WASHERS/PLATES AND COTTER
PINS
1. Replace all lock washers/plates
1
and cot-
ter pins after removal. Bend lock tabs along
the bolt or nut flats after the bolt or nut has
been tightened to specification.
EB101040
BEARINGS AND OIL SEALS
1. Install bearings and oil seals so that the
manufacturers marks or numbers are visi-
ble. When installing oil seals, apply a light
coating of lithium-soap-based grease to the
seal lips. Oil bearings liberally when install-
ing, if appropriate.
1
Oil seal
CAUTION:
Do not use compressed air to spin the
bearings dry. This will damage the bearing
surfaces.
1
Bearing
EB101050
CIRCLIPS
1. Check all circlips carefully before reassem-
bly. Always replace piston pin clips after one
use. Replace distorted circlips. When
installing a circlip
1
, make sure that the
sharp-edged corner
2
is positioned oppo-
site the thrust
3
it receives. See sectional
view.
4
Shaft
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Yamaha Rhino 450 YXR45FAV User manual

Category
Motorcycles
Type
User manual

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