Boston Whaler 170 Montauk Owner's manual

The mission of Boston Whaler is to

provide consumers with the

safest, highest quality, most durable

boats in the world

INFORMATION IN THIS PUBLICATION IS BASED ON THE LATEST PRODUCT SPECIFICATIONS AVAILABLE AT PRINTING, BOSTON WHALER® BOATS, INC. RESERVES THE RIGHT

TO MAKE CHANGES AT ANY TIME WITHOUT NOTICE, IN THE COLORS, EQUIPMENT, SPECIFICATIONS, MATERIALS AND PRICES OF ALL MODELS, OR TO DISCONTINUE MODELS.

SHOULD CHANGES OR MODIFICATIONS TO THE MODELS BE MADE BOSTON WHALER® IS NOT OBLIGATED TO MAKE SIMILAR CHANGES OR MODIFICATIONS TO MODELS

SOLD PRIOR TO THE DATE OF SUCH CHANGES. THE FOLLOWING ARE REGISTERED TRADEMARKS OF THE BRUNSWICK CORPORATION:

170 MONTAUK, BOSTON WHALER

. MRP #1808096

Rev F 10/11/05

Boston Whaler founder Rich-

ard T. Fisher demonstrating one

of the features that has made

Boston Whaler the Unsinkable

Legend in this 1961 LIFE

Magazine Photo.

Richard T. Fisher was posthu-

mously inducted into the Na-

tional Marine Manufacturers

Association (NMMA) Hall of

Fame on September 26, 1996

for accomplishments made in

marine engineering and con-

struction.

History

In 1958, company founder Richard T. Fisher introduced the first Boston Whaler boat in Braintree,

Massachussetts. It featured two significant innovations: first, its twin sponson hull design produced

superior stability and a remarkably dry ride; second, its unique foam core construction made the boat

not only durable, but unsinkable as well.

Fisher took every opportunity to illustrate the unique characteristics of the Boston Whaler. His most

famous demonstration was captured in 1961, by Life Magazine. The series of photographs showed the

boat underway, the boat being sawed in half and ultimately Fisher motoring away in the remaining half

of the boat. And through the years many other demonstrations have proved the toughness and durability

of the Boston Whaler hull. And though you may never cut your boat in half, this only goes to show one

thing, people whose livelihood and lives depend on boats consistently choose Boston Whaler because

of their seaworthiness, dependablility and the inherent safety of a hull that wont sink even if severely

damaged.

Boston Whalers are built to last. For over 40 years Boston Whaler® has strived to make each model

better, providing you with a safe and fun boating experience. That is the reason we offer a 10 year

limited transferable warranty. It is also an excellent reason why you can trust the safety of your family

and friends to a Boston Whaler.

PLEASE KEEP THIS OWNERS MANUAL PACKET IN A SECURE PLACE, AND BE SURE TO HAND IT

OVER TO THE NEW OWNER IF YOU SELL THE BOAT.

Section 1 - 170 Montauk

Table of Contents

Section 6 - Propulsion System

Propeller Information 16

Propeller Assembly Diagram 16

Gear Shift/Throttle Control 17

Power Trim Operation 17

Steering Information 18

Maintenance 18

Steering Pull 18

Section 7 - Getting to know your Boston Whaler

Mooring Points 19

Lifting 19

Hull Maintenance 20

Blisters 20

Bottom Painting 21

Painted Hull Care(Bottom) 21

Vinyl Cushion Care 21

Long Term Storage 22

Engine 22

Fuel System 22

Trailer Storage 22

Electrical System 22

Drainage 22

Canvas Care & Maintenance 23

Trailer 24

Trailer Safety 24

Bunk Trailer Terminology 24

Section 8 - Anchoring Information

Anchoring Information 25

Lowering 25

Setting 25

Weighing 25

Section 9 - Maintenance Log & Notes

Maintenance Log 26

Notes 26

170 Montauk - Owners Manual

Section 1 - 170 Montauk

Introduction 1

Table of Contents 1

Construction Standards 2

Our Hull 2

Servicing your Boston Whaler 2

Hull Identification Number 2

Section 2 - General Arrangement

& Specifications

Specifications & Dimensions 3

Standard Features 4

Optional Features 5

Standard & Optional Seating 6

Through Hull Locations 6

Label Location 7

Deck Occupancy 7

Trolling Motor Reinforcment Location 8

Section 3 - Fuel System

Fuel System 8

170 Montauk Fuel System Diagram 9

Static Electricity and the Fuel System 9

Section 4 - Electrical System

Electrical System 10

Battery Information 10

Battery Maintenance 10

Battery Switch (Optional) 11

Ignition Shutdown Switch 11

Electrical Diagram 12

CE Certification Battery Switch

Diagram 12

Instrument Panel, Blank 13

Instrument Panel, Pre-Rig 13

12 Volt Accessory Receptacle 14

Navigation Lighting 14

Section 5 - Bilge System

Bilge Pump 15

Operation/Maintenance 15

Bilge Diagram 15

This Owners Manual has been written to provide specific information about your boat and it should be read carefully.

Keep this booklet with the Owners Manual in the Owners Manual Packet.

The Owners Manual Packet has been compiled to help you operate your boat with safety and pleasure. It contains

details of the boat, the equipment supplied or fitted, its systems and information on its operation and maintenance.

Please familiarize yourself with the boat and its operation before using it.

If this is your first boat, or you are changing to a type of boat you are not familiar with, for your own comfort and

safety, please ensure that you obtain handling and operating experience before assuming command of your boat.

Your Boston Whaler® dealer or local Yacht Club will be pleased to advise you of marine safety classes and safe

boating classes in your area.

Introduction

Section 1 - 170 Montauk

170 Montauk - Owners Manual

Hull Identifcation Number

The Hull Identification Number is located on the

starboard side of the transom wall.

This is the most important identifying factor and must

be included in all correspondence related to your ves-

sel. Failure to do so will only create delays. Also of

vital importance are the engine serial numbers and

part numbers when writing about or ordering parts

for your engine.

Our Hull

Boston Whaler® hulls are constructed with our pat-

ented Unibond construction. This involves shoot-

ing high density foam into a closed mold system.

The foam expands to fill voids in the hull, and when

the finished product is pulled from the mold, the deck

and the hull are chemically bonded to form a solid,

inseparable unit.

THE MISSION OF BOSTON WHALER IS TO PROVIDE CONSUMERS WITH THE

SAFEST, HIGHEST QUALITY, MOST DURABLE BOATS IN THE WORLD.

We are dedicated to creating a superior product providing you with comfort, performance, safety and dependability.

All of our boats comply with the safety standards set by the United States Coast Guard and are designed, engineered

and manufactured in accordance with applicable recommendations and guidelines of the American Boat and Yacht

Council (A.B.Y.C.) and certified by the National Marine Manufacturers Association (N.M.M.A.).

Construction Standards

1 No air voids

2 High density closed cell non-absorbent foam

3 High quality resins and gelcoats

4 Woven glass matting

Hull

Identification

Number

When your 170 Montauk needs to be serviced or

regular maintenance is needed, it should be taken to

an authorized Boston Whaler® dealer.

To find a Boston Whaler® dealer in your area call:

1-800-942-5379

Domestic/International

If a problem is not handled to your satisfaction:

Discuss any warranty related problems directly

with the service manager of the dealership or your

sales person. Give the dealership an opportunity

to help the service department resolve the matter

for you.

Servicing your Boston Whaler

Typical H.I.N. Description

Section 2 - General Arrangement & Specifications

170 Montauk-Owners Manual

Overall Length 170 5.18 m

Trailerable Length 202 6.15 m

Bridge Clearance 611 2.10 m

Bridge Clearance

(no top)

47 1.39 m

Beam 610 2.08 m

Draft, (Hull Only) 9 .23 m

Weight (dry, no engine) 1400 lbs. 635 kg

Swamped Capacity 3400 lbs. 1542 kg

Maximum Engine Weight 410 lbs. 185 kg

Maximum Weight , (passengers,

engine(s), gear),** 1650 lbs 748 kg

Persons 7

Maximum Horsepower 90HP 67 kw

Minimum Horsepower 60 HP 44 kw

Fuel Capacity(portable) 13.2 gal.

(U.S.)

50 L

* Waterline

*** Engine Draft,(See Notice)

Specifications & Dimensions

170

202

610

611

9

47

The canvas shown here

is for reference only.

Specified measurements are approximations and are

subject to variance.

NOTICE

Optional equipment and loading of the boat will af-

fect the draft measurements. Follow the recommen-

dations listed on your capacity plate regarding the

maximum amount of weight the boat can safely

carry.

***

Exceeding this weight will affect the bosts perfor-

mance. DO NOT Exceed the weights listed on the

capacity plate.

NOTICE

Section 2 - General Arrangement & Specifications4

170 Montauk - Owners Manual

Standard Features

1 Bow Chock/Navigation Light

2 8 Cleat, Stainless Steel

3 Heavy Duty Rubrail

4 Stainless Steel Bow Rail

5 Foward Lifting Eye

6 Anchor Locker

7 Console Grab rail, Stainless Steel

8 Acrylic Windshield

9 Navigation Light Base

10 Instrument Panel

11 Console Access Door w/ Storage Bin

12 Stainless Steel Steering Wheel

13 Gear Shift/Throttle Control

14 Console Cupholders, (2)

15 Reversible Pilot Seat Backrest

16 Reversible Pilot Seat Cushion

17 Reversible Pilot Seat Base

18 2-6.6 Gal. (49.96L) Fuel Tanks, (Portable)

19 Galvenized trailer

20 Motorwell Drain, (2)

21 Stern Lifting Eye, Port/Starboard

22 90 ELPT EFI 4-stroke Mercury engine

23 Access Plate

24 Sump Cover/Bilge Pump Access

25 Stainless Steel Side Rail

26 Electric Horn

Section 2 - General Arrangement & Specifications 5

170 Montauk - Owners Manual

1 Blue graphics, striping and logos

2 Telescoping ladder and swim platform

3 60 ELPT EFI Bigfoot 4-stroke Mercury engine

4 Bow cushion

5 72 Qt. (68.1L) Cooler seat w/ cushion and

backrest

Fishing Package

6 Compass

7 72 Qt. (68.1L) Cooler seat w/ cushion backrest

and 4 rodholders

8 Tackle drawers

Canvas

9 Canvas sun-top (Red or Blue) with stainless steel

fittings and boot.

10 Forward Support Pole 2

11 Aft Support Strap

12 Main Support Pole

13 Center Support Pole

14 Forward Support Pole 1

15 Sun-top Slide Track Base

* Also part of the Fishing Package

Optional Features

1011

13 14

Section 2 - General Arrangement & Specifications6

170 Montauk - Owners Manual

Through Hull Locations

Standard & Optional Seating

Arrangements

1 Anchor Locker Drain

2 Bilge Sump Drain

3 Bilge Pump Outlet

4 Motorwell Drain, (2)

STANDARD

1 Reversible Pilot Seat w/ Locking Backrest

OPTIONAL

2 72 Qt. (68.1L) Cooler Seat w/ Backrest

2ABackrest with 4 rodholders not shown

3 Bow Cushion

The deck drain provides self-bailing capabilities while

the boat is static in the water and no passengers on

board. This feature prevents the accumulation of wa-

ter in the cockpit. the drain must be in place when un-

derway.

NOTICE

Depending on the type of boat you have, you may

have underwater fittings that need drain plugs.

Garboard drain plugs and fishbox drain plugs need

to be in place before the boat goes into the water.

Any fitting that will be underwater needs to be

plugged or the seacock needs to be closed

NOTICE

An inspection of the through hull fittings is recom-

mended. Through hull fittings should be checked

for proper seal annually and repaired as required.

When the boat is in the water the underwater fit-

tings can be checked for dripping. It is recom-

mended that the underwater fittings be removed,

cleaned and resealed every other year.

NOTICE

If the through hull fittings need to be replaced, it is

recommended that an authorized Boston Whaler ®

dealer perform this type of repair. Through hull fit-

tings that are improperly installed can cause pre-

mature hull failure and may void the Boston

Whaler® limited warranty.

NOTICE

1811368

LABEL, WARNING CO HELM

1746011

STICKER, SAFETY CANADIAN CAP BW150SP

1811367

LABEL, DANGER CO TRANSOM

1735926

PLATE, BW-03 MAX ENG WT 410LB/185KG

1745123

1795087

LABEL, PROP 65 HANG TAG

Section 2 - General Arrangement & Specifications 7

170 Montauk - Owners Manual

Accommodation deck:

This area of the boat

is inside the cockpit

and includes helm

seating. Movement in

this area should be done with extreme cau-

tion while the boat is underway. A sudden

shift in boat direction can cause a loss of

balance and lead to injury or death.

Working deck:

This area is intended

for occupation ONLY

while mooring, an-

choring, loading/un-

loading or when the boat is at rest. NEVER

operate the engine while loading or un-

loading swimmers/divers from the swim

platform/ladder.

Be aware of your footing while the boat is under-

way, slipping or falling could result in serious in-

jury or death, especially if the boat is in motion or

in rough seas. Keep the accommodation deck

clean, so if movement is neccessary it will be free

of obstruction.

DANGER

Gelcoat surfaces are slippery when wet.Use

extreme caution when walking on wet surfaces.

Use care when waxing to ensure that walkways

are not made dangerously slippery.

WARNING

Deck

Occupancy

Plan

Never occupy the working decks while the boat

is underway. ONLY sit in areas that are desig-

nated for sitting. NEVER sit on the gunwales

while the boat is moving.

WARNING

Label Location

Section 3 - Fuel System8

170 Montauk - Owners Manual

The 170 Montauk has provisions for

a gasoline fuel system. There is a sec-

tion under the reversible pilot seat that

will hold a pair of 6.6 Gal.(25 L) re-

movable fuel tanks. Straps are used to

secure the tanks to the deck. There is a rigging tube

under the deck for running the fuel line to the en-

gine. It is recommended that you follow all instruc-

tions regarding the filling and transporting of the re-

movable fuel tanks.

Please take time to read and understand all the fuel

related information and warnings in the engine

owners packet.

Fuel System

CAUTION

Leaking fuel is a fire and explosion hazard, inspect the

system regularly. Examine fuel tanks and exposed lines

for leaks and corrosion.

DANGER

Check for leaks in tubing, connections and hoses. Cor-

rect the cause of the leaks and ventilate the area to

insure that no fumes remain, prior to energizing any

electrical equipment and/or starting the engines.

CAUTION

Use of improper gasolines can damage your engine se-

riously. Engine damage resulting from use of improper

gasoline is considered misuse of engine and will void

the warranty. Follow engine manufacturers recommen-

dations regarding the types of fuel and oil to use.

CAUTION

Oil and fuel spills can be dangerous and can subject

offenders to severe penalties

NOTICE

Remove portable tanks from boat and fill from shore.

When fueling is complete, secure tanks to deck with

straps provided.

DANGER

Static electricity can ignite gasoline vapors causing

serious injury/death and/or destruction of property.

NOTICE

Fuel tanks should never be filled to capacity, allow 2%

for expansion.

Trolling Motor Reinforcment Loca-

tion

The 170 Montauk has reinforced areas of the bow

that will make it easier to mount a trolling motor.

The reinforced sections are located on either side of

the bow navigation lights and extend back along the

gunwale. The phenolic material can be drilled and

tapped to hold machine screws. In some instances

the trolling motor will not be compatible with the

optional bow rail. See your Boston Whaler® dealer

regarding this. The exact location of the phenolic can

be found in the REINF. LOCATION DIAGRAM

in your owners manual packet. Please refer to this

document before drilling into the deck of your boat.

Distance from the deck to waterline, (for determining

the correct shaft length of the trolling motor.)

Trolling Motor,

(Reference ONLY)

Reinforced Deck sections

Section 4 - Electrical System 9

170 Montauk - Owners Manual

There is a danger that static electricity can ignite gaso-

line vapors that have not been ventilated outside an

enclosed area. Use extreme caution when fueling

your boat from a source outside the regular venues,

Static Electricity and the Fuel System

1 6.6 Gal, (25L) portable fuel tank,(2)

2 Fuel tank strap

3 Primer bulb

4 Rigging tube, (in hull)

5 Fuel line from tank(s)

6 Fuel line tank connection port

7 Fuel tank level gauge

8 Fuel tank vent

9 Fuel tank fill

170 Montauk Fuel System

Removable

Fuel Tank

To engine

connection

Make sure the

fuel tank is

secured to the

deck like this:

(e.g. marinas, fuel service stations.)

Your boat has safety features that can be circum-

vented by not adhering to standard fueling practices.

Your boats bonding system protects it from creating

and discharging static electricity.

Your boat must be in contact with the water or a land

based grounding system. Here are some helpful sug-

gestions to keep you safe from static electricity while

refueling your boat.

 NEVER fuel your boat in unsafe conditions such

as: suspended on a sling or in a situation that in-

creases the likelihood of static discharge.

 NEVER use homemade containers to fill your fuel

tanks.

 Fuel carried on-board outside of a fixed fuel sys-

tem should be stored in an approved container or

in a portable tank such as provided for outboard

engines and be stowed safely outside of the engine

or living compartment(s).

 Shut down the engine(s), motors and fans prior to

taking on fuel. Any ignition sources should be ex-

tinguished before filling the fuel tank(s).

 Close all ports, windows, doors and hatches.

 Fueling should never be done at night except in

well-lighted areas.

 Always keep the fuel nozzle in contact with the

fuel fill plate or the edge of the fuel tank opening

throughout the filling process.

 Allow areas where gasoline vapors could collect

to be ventilated before starting the engine(s).

 Wipe any spillage completely and dispose of rags

or waste on shore.

 Secure the fill cap tightly.

 Fuel tanks should never be filled to capacity. al-

low 2% for expansion.

 Portable tanks should only be filled while on the

ground; never on-board the boat.

Section 4 - Electrical System10

170 Montauk - Owners Manual

The most life shortening experience for the battery

is to be drained to zero charge before recharging.

When a battery discharges, the active material on both

positive and negative plates converts to lead sulfate,

causing the plates to become more alike in an elec-

trical charge. The electricity conducting battery acid

becomes weaker and the voltage drops. As the bat-

tery remains discharged, the process continues until

recharging the battery becomes impossible. If the

battery does become run down be sure to recharge it

as soon as possible. Over charging the battery can be

just as detrimental to its life as running it down too

far. Battery maintenance should include:

 Inspect the battery and charging system be

fore each use for loose connections or wiring.

 Coat the terminals with dielectric grease.

 Keep the battery safe and dry.

 Remove the battery from the boat during cold

weather or long term storage.

Battery Maintenance

Electrical System

CAUTION

Never reset a breaker without first determining and

correcting the cause of the trip. Should a circuit re-

peatedly trip, have a qualified electrician determine

and correct the cause.

 Never use an open flame in the battery storage area.

 Avoid striking sparks near the battery

 A battery will explode if a flame or spark ignites the

free hydrogen given off during charging.

 The battery should always be disconnected before

doing any work or maintenance on the electrical

system.

CAUTION

If equipped with a battery switch, you will need to

stop the engine before moving the switch to the OFF

position.

CAUTION

Batteries contain sulfuric acid which is dangerous and

can cause serious injury.AVOID contact with skin,

eyes and clothing. If contact occurs, immediately flush

the affected area with large quantities of water and

call for medical assistance

DANGER

Always store the battery in the the battery box. Use

the straps and clamp to keep the box secure while

underway.

NOTICE

Battery Information

Your 170 Montauk is equipped with

an electrical system that provides

power for the following:

 Engine ignition

 Engine tilt trim system

 Helm switch panel & helm instrument panel

 Lighting/Navigation system

 Livewell system, (optional)

 Add-on accessories and electronics

The battery box is located inside the console on the

starboard side. Your battery should always be en-



closed in the battery box provided with your boat.

The box will contain any spilled acid, as well as pro-

tect the battery terminals from damage or inadvertant

shorting from contact with metal objects.

The battery box should always be secured in place

by using the straps and clamps provided, the straps

will ensure that while underway the battery will not

move around, causing damage to components stored

in the same area.

170 Montauk - Owners Manual

Section 4 - Electrical System

Battery Switch (optional)

The 170 Montauk has the option of using a battery

switch. The switch; located on the aft wall of the

console interior, allows you to control the delivery

of DC power from the battery to the engine as well

as allowing the alternator to charge the battery. Your

battery selector switch has two settings, ON and

OFF, ON gives you power from the battery only.

OFF you have no power to the engine. Remember

to turn the battery selector switch to ON before

you attempt to start your engine.

Note: The bilge pump cannot be turned off with the

battery selector switch.

Battery

Selector

Switch

Ignition Shutdown Switch

Wear your lanyard at all times while operating the boat.

It is for emergency stopping only. Do not use it to shut

off the engine during normal operation. The lanyard

should be long enough to prevent inadvertent activa-

tion.

CAUTION

The 170 Montauk is equipped with an ignition shut-

down safety switch. It is located starboard of the steer-

ing wheel, below the ignition switch. The ignition

shut down safety switch incorporates a shut-off

switch, switch clip, lanyard and lanyard clip, which

is clipped to the operator. If an emergency arises

where the engine must be shut down, a pull on the

cord to release the clip from the shut-off will shut

down the engine. This switch is designed to shut the

engine off when the operator of the boat leaves the

control station, either accidentally by falling into the

boat, or by being ejected overboard. This would most

likely occur as a result of poor operating practices.

Ignition Shut-down

Switch

IgnitionShut-down

Switch Plate

Lanyard

Ignition Shut-down

Switch Clip, (attaches to switch)

Ignition Shut-down

Switch Clip,(attaches to you)

Section 4 - Electrical System12

170 Montauk - Owners Manual

This owners manual supplement contains diagrams for your boat. These electrical diagrams were

generated by technicians in our engineering department and are for reference and use by service

technicians. Boston Whaler® does not recommend that you attempt to work on the electrical system

yourself, instead we suggest that you take it to an authorized Boston Whaler® dealer for electrical

service. Boston Whaler® reserves the right to change or update the electrical system on any model

at any time without notice to the consumer and is not obligated to make any updates to units built prior to the changes.

Electrical Diagram

STEREOBILGE PUMPNAV/ANCHORN ACC-1 12V

RECEPT

12V

STEREOBILGE PUMPNAV/ANCHORN ACC-1 12V

RECEPT

12V

Section 4 - Electrical System 13

170 Montauk - Owners Manual

1 Instrument Panel

2 Horn Switch

3 5 Amp Breaker-Horn switch

4 Navigation/Anchor Switch

CAUTION

Never reset a breaker without first determining and

correcting the cause of the trip. Should a circuit re-

peatedly trip, have a qualified electrician determine

and correct the cause.

5 5 Amp Breaker-Navigation/Anchor Switch

6 Bilge Pump Switch, 3 Position

7 Accessory Switch

8 10 Amp Breaker-Accessory Switch

9 12V Receptacle

10 10 Amp Breaker-12V Receptacle Plug

11 Tachometer

12 Voltage Gauge

13 Water Pressure Gauge

1 23

45 78

910

Instrument Panel, Blank

Instrument Panel, Pre-Rig

Section 4 - Electrical System14

170 Montauk - Owners Manual

Navigation Lighting

Navigation lighting is provided as part of the 170

Montauks electrical system. Navigation lights must

be displayed while underway, from sunset to sun-

rise. The term underway means not at anchor or

docked. While at anchor in open water it is required

that your 360° pole light be illuminated. It is the boat

owners responsibility to display the proper sequence

of navigation lighting. Do not change the sequence

of navigation lighting of your boat. It is also the

responsibility of the boat owner to ensure that the

navigation lights are in good working order. The navi-

gation lights will let other boaters see the direction

your craft is traveling and its approximate length.

When operating in reduced visibility or at night it is

only prudent to slow the boats speed and keep a

proper lookout. It is important that you understand

navigation lights and their usage for your safety and

the safety of others. The navigation lights are con-

trolled by pressing the NAV/ANC switch located on

the instrument panel. When using the canvas sun-

top with the console mounted navigation light be sure

to slide the navigation light through the opening in

NOTICE

The improper sequence of navigation lighting may be

as dangerous as not having lights at all.

Off

Navigation

Lights

Anchor

Lights

Navigation/Anchor light switch operation

NOTICE

When using the SUN-TOP, make certain that all se-

curing straps are taut. Damage to the navigation light

can happen if the canvas frame straps are loose or

not secured properly.

the top of the sun-top. Be sure to remove the light

pole from the base before stowing the canvas Sun-

top. When not being used, the aft pole light can be

stowed in clips located on the starboard aft cockpit

area.

12 Volt Accessory Receptacle

Your 170 Montauk is equipped with a 12 volt acces-

sory receptacle located on the instrument panel. It is

a DC (cigarette lighter) style receptacle to be used

with any 12 volt accessories using this type of plug.

The receptacle is made of corrosion resistant marine

grade materials and has a moisture proof cap. There

is a 10 amp breaker button located just below the

receptacle. Be sure to use accessories that do not

exceed the rated capacity of the circuit, (10 amps)

or the breaker will trip.

DO NOT insert a cigarette lighter into this receptacle.

Damage to the unit & system could occur.

NOTICE

112° Port navigation

light (red)

112° Starboard

navigation light

(green)

360° all

round light

(white)

360° all

round light

stowage

location

STEREOBILGE PUMP ACC-1 12V

RECE

Section 5 - Bilge System

170 Montauk - Owners Manual

1 1100 GPH bilge pump

2 Float switch

3 1-1/8 Bilge pump discharge hose

4 Bilge sump

5 Bilge sump plug

6 Bilge pump outlet

7 Bilge sump cover

Bilge Pump

NOTICE

The bilge pump is wired directly to the battery. The bilge

pump switch can be set in several positions for bilge

pump operation. Be sure the bilge pump float switch is

clear of debris to prevent continuous operation and sub-

sequent discharge of the battery.

The 170 Montauk is equipped with an

1100 GPH electric bilge pump. It is

located in the aft cockpit sump just

forward of the motorwell. The switch

for bilge pump operation is located on

the instrument panel.

OPERATION:

The bilge pump switch has three operating positions:

 Position 1-OFF-This position disconnects the

power from the battery. When moored the sump

drain plug can be removed to allow any stand-

ing water to be drained overboard. It is normal

for some water to enter the sump.

 Position 2-AUTO-This position energizes the

float switch. The float switch cycles the bilge

pump ON when the water level in the sump

reaches a pre-determined level. If the boat is

under load and left unattended while the sump

drain plug is not in place, the battery can be dis-

charged, (due to continuous cycling). This

switch position should be used when the boat

will be supervised.

 Position 3-ON-This position is for manual bilge

pump operation. The pump will run contiuously

until the switch is returned to one of the previ-

ous positions.

MAINTENANCE:

The bilge pump and float switch units are completely

sealed and little maintenance is required. It is impor-

tant to keep the bilge pump in good working order,

check around the float switch for debris and gummy

bilge oil that could impede the bilge pump from work-

ing properly. Check the bilge pump and hoses for

wear; clean and repair if neccessary.

Note: The bilge pump is wired directly to the bat-

tery. If the boat is to be dry docked for an extended

amount of time be sure to disconnect the battery

cables.

Bilge Pump & Location

Bilge Pump Switch Operation

Position

OFF AUTO ON

Bilge Pump Switch

location on instrument

panel

170 Montauk - Owners Manual

Section 6 - Propulsion

Propeller Information

Under no circumstance use a propeller which allows

the engine to operate at a higher than recommended

RPM.

NOTICE

It is advised that you always carry a spare propeller,

propeller hardware and propeller wrench on board.

Should your propeller become damaged it can be eas-

ily replaced.

Disconnect power by moving the battery switch to the

OFF position prior to removing the propeller.

DANGER

The engine on the 170 Montauk has

been equipped with a propeller;

which our tests have shown to be

best suited for general use under nor-

mal conditions and load. In some

situations you may wish to change the propellers to

give your boat slightly different performance char-

acteristics. Changing your boats running surface, such

as the addition of bottom paint will affect the type

and size of propeller required.

In general, changing to a lower pitch propeller will

increase acceleration and load pulling capability, with

a slight decrease in top end speed. If you choose to

change propellers, the type should be discussed with

your Boston Whaler® dealer.

All propellers are designed to provide maximum for-

ward thrust, so the reverse thrust of the propeller will

not be as efficient.

Propeller Assembly

8 Diffuser ring

9 Blade back

10 Blade root

11 Outer hub

12 Inner hub

13 Exhaust passage

14 Drive sleeve adapter

15 Lock ring

16 Prop nut

1 Shaft, (from en-

gine)

2 Forward thrust

washer

3 Drive sleeve

4 Blade face

5 Leading edge

6 Blade tip

7 Trailing edge

1 Propeller Diameter

2 1 Revolution, (Pitch)

3 Propeller Rake

Section 6 - Propulsion 17

170 Montauk - Owners Manual

Shift only when engine is running. Pause in neutral

while shifting, wait for boat to lose headway, and then

shift quickly. Easing into gear can damage the en-

gine.

CAUTION

Gear Shift & Throttle Control

The 170 Montauk is equipped with a

gear shift/throttle control unit

mounted on the console directly star-

board of the steering wheel. The gear

shift/throttle control unit for the en-

gine activates both shifting mechanism and throttle.

The control must be in the NEUTRAL position to

start your engine. Neutral is the most upright posi-

tion of the control unit and acts as an idle, the pro-

peller is not rotating. There is a throttle only but-

ton at the center of the throttle control that when de-

pressed will disengage the shifting mechanism and

will allow you to operate the throttle without engag-

ing the propeller. This button will automatically en-

gage the shifting mechanism once the throttle con-

trol has been moved back to its center position (you

will hear and feel a click when it is engaged). Mov-

ing the lever forward engages the forward gear and

then the throttle advance.

Throttle

Control

Lever

Power

Trim

Switch

FORWARD

REVERSE

NEUTRAL

Throttle

ONLY

Button

To reverse power, bring the control lever back to en-

gage the reverse gear and increase the reverse thrust.

The throttle control regulates the RPM of the engine.

Regulating the RPM of the engine will control the

speed of the boat. Pulling back on the gear shift/

throttle control while moving at a high speed will

cause a sudden slowing of the boat and will create a

following wake which may rise above the transom

and flood the boat. Understanding your boat and its

reactions at speed will make boating for you safer

and more enjoyable.

Power Trim Operation

The power trim & tilt system allows you to raise and

lower the engine outdrive for trailering, launching

and beaching. This also allows for ideal boat angle

(in relation to the water surface) for a given load and

water condition. In most cases, best all-round per-

formance is obtained with the engine adjusted so that

the boat will run at a 3° to 5° angle to the water. The

power trim is located on the inboard side of the gear

shift/throttle lever handle.

NOTE: Boats can be operated in a manner and at

certain speeds resulting in trim angles that could

cause visibility to be obscured. Motor trim, hull trim

plane angles (if equipped), boat load distribution

and speed are factors that affect a boats trim angle.

Power Trim Switch Detail

Push to trim

engine UP

Push to trim

engine DOWN

170 Montauk-Owners Manual

Section 6 - Propulsion18

Your 170 Montauk is equipped with

a teleflex no-feedback steering sys-

tem. The Teleflex no-feedback steer-

ing system has a clutch mechanism

which prevents the engine torque

from being felt at the steering wheel. This reduces

driver fatigue by eliminating the constant need to

fight the wheel.

Maintenance:

The mechanical steering system should be checked

periodically by your Boston Whaler® dealer for

proper lubrication, alignment and to make sure there

is no looseness or binding of the cable. Proper main-

tenance of this system will ensure worry-free usage

for the life of your boat.

No-feedback steering system maintenance should

include the following:

 After the first few hours of operation and at regu-

lar intervals, check all fasteners and the complete

steering system for security and integrity.

 Check all moving parts to be sure they are free

of salt build-up and other foreign material. Such

build-up will affect their operation.

Steering Information

Do not cover cracks in the steering cable or fittings

with tape or other sealants. This will create a hazard in

which the cable can fail without warning.

CAUTION

Steering

Link Rod

Cable

Mounting

Tube

Steering

Cable

Steering

Wheel

No-feedback

Rotary Steer-

ing Assemly

Steering

Trim

Tab

Steering pull is unnecessary and unsafe! Steering trim

tabs provided on most engines are frequently improp-

erly adjusted, (they work opposite to normal expec-

tation).

To set steering trim tab for neutral steering:

There is a bolt on the underside center of the tab;

loosen the bolt prior to adjustment.

If boat veers to the right, (hands off), move the aft

end of the tab to the right.

If boat veers to the left, (hands off), move the aft end

of the tab to the left.

Steering Pull

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Boston Whaler 170 Montauk Owner's manual

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