Boston Whaler 270 Outrage Owner's manual

Brand: Boston Whaler

Model: 270 Outrage

Category: Engine

Type: 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:

270 OUTRAGE, BOSTON WHALER®. MRP #1687665

Rev B 05/19/04

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

Keep this booklet 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

Boston Whaler founder

Richard T. Fisher demon-

strating one of the fea-

tures that has made Bos-

ton Whaler the “Unsink-

able Legend” in this 1961

LIFE Magazine Photo.

Richard T. Fisher was

posthumously inducted

into the National Marine

Manufacturer’s Associa-

tion (NMMA) Hall of Fame

on September 26, 1996

for accomplishments

made in marine engineer-

ing and construction.

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 demon-

strations 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 BOOK AND OTHER MATERIALS IN A SECURE PLACE, AND BE SURE TO HAND IT

OVER TO THE NEW OWNER IF YOU SELL THE BOAT.

Section 1 - 270 Outrage

Table of Contents

Bilge Pumps 27

Operation/Maintenance 27

Aft Bilge Pump Diagram 27

Forward Bilge Pump Diagram 28

Head System 28

Shoreside Discharge 29

Macerator/Overboard Discharge 29

Sani-Potti Unit Diagram 29

Standard Head Arrangement 29

Optional Sani-Potti Unit w/ Deck-

Pump-out and Overboard Discharge 29

Optional Marine Head w/ Deck Pump-

out, Holding Tank & Overboard Dis-

charge 29

Macerator

Operation/Maintenance 30

Environmental Considerations 30

Section 7-Propulsion System

Hydraulic Steering Information 31

Operation/Maintenance 31

Power Steering Information 31

Gear Shift & Throttle Control 31

Digital Throttle/Shift DTS® 32

Power Trim Operation 32

Engine Starting Procedure 32

Propeller Information 33

Propeller Assembly 33

Section 8-Getting to know your Boston Whaler

Trim Tabs 34

Operation/Maintenance 34

Mooring Points 35

Lifting 35

Hull Maintenance 36

Hull Maintenance (Blisters) 36

Bottom Painting 36

Painted Hull Care (Bottom) 37

Vinyl Cushion Care 37

Long Term Storage 37

Engines 38

Fuel System 38

Trailer Storage 38

Electrical System 38

Drainage 38

Canvas Care & Maintenance 38

Trailer (Optional) 39

Trailer Safety 39

Bunk Trailer Terminology 39

Section 9-Anchoring Information

Anchoring Information 40

Lowering 40

Setting 40

Weighing 40

Anchor Windlass (optional) 41

Operation 41

Raising 41

Emergency Operation 41

Lowering 41

Section 10-Maintenance Log & Notes

Maintenance Log & Notes 42

270 Outrage-Owners Manual

Section 1-270 Outrage

Table of Contents 1

Construction Standards 2

Our Hull 2

Servicing your Boston Whaler 2

Hull Identification Number 2

Section 2-General Arrangements & Specifications

Specifications & Dimensions 3

Standard Features 4-5

Notable Options 6-7

Through-hull Fittings 8

Storage 9

Standard/Optional Seating 10

Label Location 11

Deck Occupancy 11

Section 3-Fuel System

Fuel System Diagram 12

Fuel Tank 12

Fuel Fill 12

Rigging Trough 12

Fuel Vent 13

Empty Tank 13

Hoses & Fittings 13

Tank Cleaning 13

Remote Oil System 13

Static Electricity and the Fuel System 14

Section 4-Electrical System

Battery Information 15

Battery Maintenance 15

Dual Battery Switches 16

Console Wiring Diagram 17

Hull Wiring Diagram 18

Breaker Panel Wiring Diagram 18

Standard Battery Wiring Diagram 19

Optional Battery Wiring Diagram 19

Ignition Shutdown Safety Switch 19

Standard Instrument Panel 20

Deluxe Instrument Panel 20

Analog Intstrument Panel 20

DTS® Instrument Panel 20

Breaker Panel 21

Ship to Shore Power, (optional) 22

Operation 22

Battery Charger, (optional) 22

12 Volt Accessory Receptacle 22

Navigation Lighting 23

Operation 23

Section 5-Freshwater System

Water System 24

Freshwater Pump 24

Freshwater shower 24

Cockpit Sink 24

Maintenance 24

Winterizing the System 24

Disinfecting the System 25

Section 6-Raw-water & Waste System

Raw Water 25

Operation/Maintenance 25

Livewell, (Standard) 25

Operation 25

Standard Livewell Diagram 26

Livewell, (Optional) 26

Operation/Maintenance 26

Optional Livewell Diagram 27



Section 1 - 270 Outrage

270 Outrage-Owners Manual

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

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.

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 270 Outrage needs to be serviced or regu-

lar 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

270 Outrage-Owners Manual

270

86

Note: The T-top shown here is for

reference purposes only.

300

18

* *

67

98

89

Overall Length 270 8.22 m

Trailerable Length 300 9.14 m

Bridge Clearance 89 2.94 m

Bridge Clearance (no top) 67 2.00 m

Beam 86 2.59 m

Draft, (Hull Only) 20 .50 m

Weight (dry, no engine) 5160 lbs. 2340 kg

Swamped Capacity 5700 lbs 2585 kg

Maximum Engine Weight 1220 lbs. 556 kg

Maximum Weight, (passengers,

engine(s), gear,** 4300 lbs 1950 kg

Persons 14

Maximum Horsepower 500HP 372 kw

Minimum Horsepower 400 HP 298 kw

Fuel Capacity 200 gal.(U.S.) 757 L

Water Capacity 20 gal.(U.S.) 75 L

Waste Capacity 10 gal.(U.S.) 37 L

* Waterline

*** Engine Draft,(See Notice)

Specifications & Dimensions

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 & Specifications

270 Outrage-Owners Manual

270 Outrage Standard Features

1 Anchor roller w/ chafe plate

2 Heavy duty rub rail

3 8 cleats, 2 bow, 2 spring, 2 stern, 1 anchor locker

4 Port & starboard forward seating/storage under

5 Stainless steel forward rails

6 Forward in-deck storage w/ hatch & drainage

7 Forward cupholder, port & starboard

8 Forward rodholders, port & starboard

9 Forward console seat w/ cushion & backrest

10 Electric horn

11 Console portlight

12 Fuel fill

See Console Detail

13 Molded tempered glass windshield

14 Compass

15 Stainless steel console grab rail, Port

16 Lockable electronics box

17 Instrument panel

18 Hydraulic steering, Helm

19 Stainless steel steering wheel

20 Throttle/Shift control

21 Engine shutdown safety switch w/ lanyard

22 Console pullout storage bin

23 Console drinkholders

24 Helm & passenger footrests

25 Console door lock

26 Bi-fold console door

27 Stainless steel console grab rail, Starboard

28 Leaning post seat w/ storage under

29 Port insulated in-deck fishbox w/ pump-out

30 Gunwale mounted rodholder, (4)

31 Stainless steel hawse pipe

32 Aft cockpit drains, (4)

33 Livewell

34 Freshwater fill

35 6 access plate, Port

36 Motorwell drains, (2)

37 200 HP Dual engines

38 Motorwell access hatch

39 VRO oil fill, (2)

40 Swim ladder, Telescoping

41 Stainless steel grab handle

42 6 access plate, Starboard

43 Transom mounted rodholders, (3)

44 Freshwater shower nozzle

45 Transom door

46 Starboard insulated in-deck fishbox w/ pumpout

47 Electric trim tab switches

48 Waste pump-out deck fitting

49 Navigation lighting, Console

50 Navigation lighting, Bow

51 Anchor locker storage

Section 2 - General Arrangement & Specifications

270 Outrage-Owners Manual

270 Outrage Standard Features (contd)

STARBOARD QUARTER VIEW

LEANING POST ASSEMBLY

VIEW ON PORT AFT QUARTER

8 Leaning post hook/knife holder

9 94 Qt. (89L) Igloo cooler

10 Livewell flow adjustment valve & panel

11 Raw water washdown hose connect

12 Under gunwale rodracks w/ cannon ball storage

1 Electric trim tabs

2 Swim ladder, telescoping

3 Leaning post frame

4 Leaning post backrest

5 Leaning post rodholders, (2)

6 Leaning post seat cushion(s) w/ storage under

7 Leaning post cutting board w/ storage under

Section 2 - General Arrangement & Specifications6

270 Outrage-Owners Manual

Notable Options

1 225 HP Dual engines

2 Dive ladder

3 Marine head w/ pumpout & overboard discharge

4 Stainless steel bow rail

5 Anchor windlass hand remote

6 Anchor windlass, rode and anchor lanyard

7 Anchor is shown for reference only

8 T-top canvas and aluminum frame, (black,white

or blue)

9 Radial outriggers, port & starboard

10 Spreader lights, (2)

11 Rocket launcher rodholders, (4)

12 Leaning post canvas cover, (black,white or blue)

13 Deluxe leaning post cover, (black,white or blue)

Section 2 - General Arrangement & Specifications 7

270 Outrage-Owners Manual

Notable Options

1 AM/FM Digital stereo w/ CD

2 Stereo remote at helm

3 Waterproof speakers, (2 port, 2 starboard)

4 Shore power monitor panel

5 Battery switch, (third)

6 37 Gal.(140L) Livewell

7 Livewell base

8 Knife/Leader holder

9 3-Drawer tackle box

10 Shore power connection, 125V/30A

11 Shore power cord, 50 ft.(15.2m)

12 Deluxe leaning post backrest

13 Deluxe leaning post seat

14 Deluxe leaning post folding bolster, helm &

passenger

15 Deluxe leaning post pullout storage bin

16 Deluxe leaning post footrest

17 Deluxe leaning post grabrail

270 Outrage-Owners Manual

Section 2 - General Arrangement & Specifications8

* The port deck drain also empties the aft livewell.

** The starboard drain empties the optional livewell

when applicable.

10 Port fishbox pumpout fitting

11 Port fishbox drain

12 Console sink drain

13 Raw water inlet

14 Forward bilge drain, 800 GPH

15 Fuel vent

16 Forward fishbox drain, Port

17 Deck drain fitting, Port & Starboard (see notes)

18 Motorwell drain, Port & Starboard

19 Garboard drain

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 water in the

cockpit. the drain must be in place when underway.

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

Through hull fittings should be checked for proper

seal annually. When the boat is in the water the un-

derwater fittings can be checked for dripping. It is

recommended that the underwater fittings be re-

moved, 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

1 Anchor locker drain

2 Forward fishbox drain, Starboard

3 Waste vent

4 Marine head intake fitting (optional)

5 Waste pump-out w/ macerator & overboard dis-

charge fitting

6 Forward fishbox pumpout fitting

7 Starboard fishbox drain

8 Aft bilge pump discharge fitting, 1100 GPH

9 Starboard fishbox pumpout fitting

789

12131415

270 Outrage Through-Hull fittings

270 Outrage-Owners Manual

Section 2 - General Arrangement & Specifications 9

1 Anchor locker storage

2 Forward port rod storage

3 Forward starboard rod storage

4 Forward fishbox

5 Starboard fishbox

6 Port fishbox

7 Magazine storage

8 Portside console storage

9 Starboard console storage

10 Leaning post storage, under cushion

11 94 Qt. (89L) Igloo cooler storage

12 Under gunwale rod storage, port & starboard

13 Cannonball storage, (4) port & starboard

270 Outrage, Storage

270 Outrage-Owners Manual

Section 2 - General Arrangement & Specifications10

Injury and possible death can occur while sitting in

areas of the boat that are not designated for seating.

Gunwales, sterndeck and portions of the bow should

not be used for sitting while underway. Movement of

passengers on the deck should be limited to decrease

the chances of slipping or falling while underway.

DANGER

Standard Seating Arrangement

1 Leaning post backrest cushion, (removable)

2 Leaning post seat cushion, (storage under)

3 Aft coaming bolster

4 Aft foldaway seat cushion

5 Port coaming bolster, (starboard is similar)

6 Forward console backrest cushion

7 Forward console seat cushion

8 Port forward coaming bolster, (starboard is simi-

lar)

9 Port forward seat cushion

10 Starboard forward seat cushion

Optional seating

12 Deluxe leaning post backrest

13 Deluxe leaning post seat

14 Deluxe leaning post folding bolster, helm &

passenger

15 Deluxe leaning post pullout storage bin

16 Deluxe leaning post footrest

17 Deluxe leaning post grabrail

270 Outrage-Owners Manual

Section 2 - General Arrangement & Specifications 11

Contact your nearest Boston whaler

dealer for label replacement information.

Label Location

Accommodation deck:

This area of the boat is inside the cockpit

and includes helm seating. Movement in this

area should be done with extreme caution

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, anchoring, loading/unload-

ing or when the boat is at rest. NEVER op-

erate the engine while loading or unloading

swimmers/divers from the swim platform/ladder.

Be aware of your footing while the boat is underway,

slipping or falling could result in serious injury or death,

especially if the boat is in motion or in rough water.

Keep the accommodation deck clean, so if movement

is neccessary it will be free of obstruction.

DANGER

Gelcoat surfaces are slippery when wet.Use ex-

treme caution when walking on wet surfaces. Use

care when waxing to ensure that walkways are not

made dangerously slippery.

WARNING

Never occupy the working decks while the boat is

underway. ONLY sit in areas that are designated

for sitting. NEVER sit on the gunwales (vertical

sidewalls), while the boat is moving.

WARNING

Label Location

FORWARD

Fuel Tank

The 270 Outrage comes with a 200 Gal. (757 L) alu-

minum fuel tank. The tank is located under the aft

section of the cockpit. Access to the fuel level sender

and engine supply line tank connections are made

through a plate on the aft section of the cockpit floor.

Fuel Fill

The 270 Outrage fuel fill is located in the port side

amidship of the gunwale, it is marked GAS, and is

opened by use of a special key that is included with the

owners manual packet. Follow the engine manufacturers

recommendation for the types of fuel to use.

Rigging Trough

There is a rigging trough located on the port side of

the cockpit. The rigging trough runs at a 45° angle

back from the access plate on the port gunwale. It is

used to route all fuel, vent and water lines to their

connections on the finished deck from the fuel tank

and bilge area. Use extreme caution when in this area

for drilling or cutting.

The 270 Outrage is equipped with a

gasoline fuel system. Please take time

to read and understand all the fuel re-

lated information and warnings in the

engine owners packet. The diagrams

below show the location of the fuel fill, routing of

fuel supply hose and the location of the fuel tank vent.

* THERE IS A RIGGING TROUGH BELOW THE FINISHED DECK , ALL

CAUTION

MUST BE USED WHEN DRILLING IN THIS AREA. FUEL LINES

AND

FUEL VENTS COULD BE DAMAGED OTHERWISE.

270 Outrage Fuel System

1 5/8 fuel vent

2 1-1/2 Fuel fill to deck plate

3 200 Gal. (757L) Aluminum fuel tank

4 Ground wire

5 Fuel sender

6 Port engine fuel supply

7 Starboard engine fuel supply

270 Outrage-Owners Manual

Section 3 - Fuel System12

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.

270 Outrage-Owners Manual

Section 3 - Fuel System 13

EMPTY TANK:

A fuel tank with levels less than 1/4 full can cause

problems by stalling an engine due to fuel starvation

or by allowing sediment and dirt to enter the fuel

supply lines. Keeping the tank filled will reduce the

chance of this occurance; since the residue will most

likely settle to the bottom of the tank. Monitor the

fuel level often to prevent this from happening.

HOSES AND FITTINGS:

Hoses and fittings should be inspected at least every

100 hours. Check the hoses for cracks, abrasions and

deterioration and the strong smell of fuel prior to

starting the engine(s). If the hoses or fittings are dam-

aged or worn, replace them with only marine grade

replacement parts. Your authorized Boston Whaler®

dealer will have all the parts information you will

need.

TANK CLEANING:

Excessive water and sediment may force you to con-

sider having the tank professionally cleaned. If you

are frequently changing fuel filter/water separators

and notice a loss in power, consult a professional

tank cleaning contractor regarding this procedure and

proper disposal of residue and water.

Remote Oil System

The 270 Outrage is equipped with a remote oil sys-

tem. This system consists of a two 3- Gal.(11.3L)

reservoir tanks and hoses which contain and meter

lubricating oil to the engine(s).

The tanks have an external fill located on the aft side

of the cockpit transom wall.

Access to the tanks is through the motorwell access

hatch. When recapping the fill make sure that it is

secure to prevent spills and to prevent the intrusion

of water into the system. Your remote oil tank is se-

cured by a nylon strap and quick release clip. Little

maintenance is required for the remote oil system,

aside from checking the hoses for abrasions and

cracks and hose clamps for proper tightness. The tank

should not be exposed to ultraviolet light, rain or

seawater for extended periods of time.

Remote Oil Tank Location

(sterndeck has been shaded)

Port engine oil

supply, 3 Gal.

(11.3L)

Port oil fill

(on sterndeck)

Starboard engine

oil supply, 3 Gal.

(11.3L)

Starboard oil fill

(on sterndeck)

Motorwell

access hatch

The fuel tank has a fuel tank vent located amidship,

7-9 inches below the rub rail directly below the fuel

fill cap. The fuel tank vent serves as a pressure/

vacuum release, safety overflow and flame arrestor.

Access to the vent fittings is through twist-out plate

located inside the cockpit opposite the fuel tank vent.

Check the vent assembly regularily as part of a main-

tenance schedule for continued safe operation of your

boats fuel system. The Vent assembly consists of a

backshell, starwasher,nut and hose clamp. Remove

the hose clamp, nut, starwasher and backshell and

push the fuel vent fitting out. The fuel vent has four

screens that are held in by a ring. Use a small pick to

dislodge the ring to remove the screens and clean as

required.

Hull

mounted

fuel vent

with screen

Fuel Vent

270 Outrage-Owners Manual

Section 3 - Fuel System14

 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.

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,

(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 liklihood 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.

Static Electricity and the Fuel System

270 Outrage-Owners Manual

Electrical System

Battery Information

Your 270 Outrage 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

 Add-on accessories and electronics

The system consists of the following components:

 Battery holders, (2 standard)

 Third battery Holder & Switch

 Dual battery switches, (2)

 Main & Branch circuit breakers

 Helm Ignition, Switch & Instrument Panel



Batteries should always be enclosed in the covered

battery boxes provided with your boat. The box will

contain any spilled acid, as well as protect the bat-

tery terminals from damage or inadvertant shorting

from coming in contact with metal objects. Each bat-

tery box should always be secured in place by using

the straps and clamps provided, the straps will en-

sure that while underway the battery will not move

around, causing damage to components stored in the

same area. The 2 standard battery boxes can be ac-

cessed through a door in the aft section of the con-

sole interior. The 3rd optional battery holder can be

accessed by the door under the sink.

Battery Maintenance

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 each battery and charging system before

use; for loose connections or wiring.

 Coat the terminals with dielectric grease.

 Keep the batteries dry.

 Remove the batteries from the boat during cold

weather or long term storage.

Battery Box

Release Strap

Tie-down

strap

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.

 A void 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 sys

tem.

If equipped with a battery switch, you will need to stop

the engine before moving the switch to the “OFF” po-

sition.

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

Always store the battery in the the battery box. Use the

straps and clamp to keep the box secure while under-

way.

CAUTION

DANGER

NOTICE

Section 4 - Electrical System 15

270 Outrage-Owners Manual

ALL

OFF

Your 270 Outrage uses a pair of battery selector

switches to control delivery of DC power from two

batteries. The battery switches are located below the

breaker panel on the aft bulkhead inside the console.

The dual battery switch has four (4) settings:

 OFF, you will have no power to the engine(s).

 ALL, you will have power from both batteries

at the same time. This parallels the batteries to

assist you in starting the engine(s), once the en-

gine is started the battery switch should be taken

off of the ALL setting, and set to charge either

battery .

 1, you will have power from the port battery

only.

 2, you will have power from the starboard

battery only.

When the engines are shut down or not providing a

charge, the system will draw power from the star-

board battery. This will allow you to run all the boats

functions without affecting the port battery. You can

run the starboard battery flat and still start the en-

gines by moving the selector knob on the battery

switches to the ALL position. The battery switches

are located below the breaker panel on the aft bulk-

head inside the console. When looking at the panel,

the switch on the left is for the port battery and en-

gine, the right switch is for the starboard battery and

engine. There is a section to the right of the star-

board battery switch that is for the optional house

battery switch. When this option is used; all the boats

electrical functions minus the engines will be con-

trolled by this switch.

Dual Battery Switches

Selector Knob

Battery 1

Selection

Battery 2

Selection

Batteries

OFF

Selection

Batteries

ALL

Selection

Dual Engine Battery Switch Configuration

Both batteries un-connected, preferred position when boat

is not in use.

STARBOARD ENGINE

ALL

OFF

Normal position while engaging in normal engine opera-

tions.

To parallel batteries, set both switches to the ALL po-

sition.

Return to normal operating positions after starting.

Do not operate boat with batteries in parallel, se-

rious engine electrical damage may result.

WARNING

Bilge pump still draws power from the batteries,

even if the switches are set to “OFF”.

WARNING

ALL

OFF

ALL

OFF

ALL

OFF

ALL

OFF

ALL

OFF

PORT ENGINE

Section 4 - Electrical System16

270 Outrage-Owners Manual

This owners manual contains schematics for your boat. These electrical schematics were

generated by technicians in our Engineering Department and are for reference and to be used

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 up-

date 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.

270 Outrage

Console Wiring

Section 4 - Electrical System 17

270 Outrage-Owners Manual

270 Outrage Hull Wiring Diagram

270 Outrage Breaker

Panel Wiring Diagram

Section 4 - Electrical System18

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Boston Whaler 270 Outrage Owner's manual

Brand: Boston Whaler

Model: 270 Outrage

Category: Engine

Type: Owner's manual

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Boston Whaler 270 Outrage Owner's manual

Boston Whaler 270 Outrage Owner's manual

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