YAMAHA YFM7FGPX, YFM7FGX SERVICE INFORMATION

YFM7FGPX

YFM7FGX

SERVICE

INFORMATION

3B4-28197-E1-SI

FOREWORD

This Service Information has been prepared to introduce new service and data for the YFM7FGPX/
YFM7FGX. For complete service information procedures it is necessary to use this Service Informa­tion together with the following manual.

YFM7FGPX/YFM7FGX SUPPLEMENTARY SERVICE MANUAL: 3B4-28197-E1

YFM7FGPW SERVICE INFORMATION: 3B4-28197-E0-SI

YFM7FGPX/YFM7FGX

SERVICE INFORMATION

©2007 by Yamaha Motor Co., Ltd.

First edition, March 2007

All rights reserved.

Any reproduction or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.
is expressly prohibited.

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.

This model has been designed and manufactured to perform within certain specifications in regard
to performance and emissions. Proper service with the correct tools is necessary to ensure that the
vehicle will operate as designed. If there is any question about a service procedure, it is imperative
that you contact a Yamaha dealer for any service information changes that apply to this model. This
policy is intended to provide the customer with the most satisfaction from his vehicle and to conform
to federal environmental quality objectives.

Yamaha Motor Company, Ltd. is continually striving to improve all its models. Modifications and sig­nificant 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:

_

• This Service Manual contains information regarding periodic maintenance to the emission control
system. Please read this material carefully.

• 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!

WARNING

CAUTION:

NOTE:

Failure to follow WARNING instructions could result in severe injury or death
the vehicle operator, a bystander or a person checking or repairing the vehicle.

A CAUTION indicates special precautions that must be taken to avoid damage
to the vehicle.

A NOTE provides key information to make procedures easier or clearer.

to

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 accompa­nied 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.

12

GEN

INFO

34

SPEC

CHK

ENG

ADJ

56

COOL

78

DRIV

90

FI

CHAS

EBS00006

SYMBOLS

The following symbols are not relevant to
every vehicle.
Symbols 1 to 0 indicate the subject of each
chapter.

General information

1

Specifications

2

Periodic checks and adjustments

3

Engine

4

Cooling system

5

Fuel injection system

6

Drive train

7

Chassis

8

Electrical

9

Troubleshooting

0

ELEC

–+

ABC

DEF

GH

IJKL

E

MNOP

B

QR

LT

G

LS

TRBL

SHTG

T

.

R

.

M

M

New

BF

S

Symbols A to H indicate the following

Can be serviced with engine mounted

A

Filling fluid

B

Lubricant

C

Special tool

D

Torque

E

Wear limit, clearance

F

Engine speed

G

Electrical data (Ω, V, A)

H

Symbols I to P in the exploded diagrams
indicate the types of lubricants and lubrication
points.

Apply engine oil

I

Apply gear oil

J

Apply molybdenum disulfide oil

K

Apply brake fluid

L

Apply wheel bearing grease

M

Apply lithium-soap-based grease

N

Apply molybdenum disulfide grease

O

Apply silicone grease

P

Symbols Q to R in the exploded diagrams
indicate where to apply a locking agent Q and
when to install a new part R.

®

Apply the locking agent (LOCTITE

Q

Replace

R

)

CONTENTS

SPECIFICATIONS

GENERAL SPECIFICATIONS
ENGINE SPECIFICATIONS
CHASSIS SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
TIGHTENING TORQUES

ENGINE TIGHTENING TORQUES ....................................................... 6

CHASSIS TIGHTENING TORQUES ..................................................... 6

CABLE ROUTING

PERIODIC CHECKS AND ADJUSTMENTS

INTRODUCTION
PERIODIC MAINTENANCE CHART FOR

THE EMISSION CONTROL SYSTEM

GENERAL MAINTENANCE AND LUBRICATION CHART

YFM7FGPX/YFM7FGX 2008 WIRING DIAGRAM (for CDN)

YFM7FGPX/YFM7FGX 2008 WIRING DIAGRAM (for Europe and Oceania)

..............................................................................................1

..................................................................... 1

......................................................................... 3

...................................................................... 4

................................................................ 5

.............................................................................6

........................................................................................7

.................................................... 21

........................................................................................21

...................................................... 21

...................... 22

– 1 –

GENERAL SPECIFICATIONS

EBS01001

SPECIFICATIONS

GENERAL SPECIFICATIONS

Item Standard

Model code

Oil type or grade

Engine oil

For CDN

0° 10° 30° 50° 70° 90° 110°

YAMALUBE4 (20W40) or SAE 20W40

YAMALUBE4 (10W30) or SAE 10W30

130°F

SPEC

3B4E, 3B4J, 3B4N, 3B4S (YFM7FGPX)
(for CDN)
3B4F, 3B4K, 3B4P (YFM7FGPX) (for Europe)
3B4G, 3B4R (YFM7FGPX) (for Oceania)
5C02, 5C06 (YFM7FGX) (for CDN)
5C04 (YFM7FGX) (for Oceania)

API service, SG type or higher, JASO standard
MA

YAMALUBE 4-CW (5W30) or SAE 5W30

-20° -10° 0° 10° 20° 30° 40°

50°C

For Europe and Oceania

Final gear oil SAE 80 API GL-4 Hypoid gear oil
Differential gear oil SAE 80 API GL-4 Hypoid gear oil

– 2 –

– 2 –

GENERAL SPECIFICATIONS

Item Standard

Transmission

Primary reduction system V-belt
Secondary reduction system Shaft drive
Secondary reduction ratio 41/21 × 24/18 × 33/9 (9.544)
Transmission type V-belt automatic
Operation Left hand operation
Single speed automatic 2.380 ~ 0.700 : 1
Sub transmission ratio low 31/16 (1.938)

high 31/27 (1.148)

Reverse gear 23/14 × 28/23 (2.000)

Bulb voltage/wattage × quantity

Headlight 12 V 35.0 W/35.0 W × 2
Tail/brake light 12 V 5.0/21.0 W × 1
Indicator light

Neutral indicator light LED
Reverse indicator light LED
Coolant temperature warning light LED
Engine trouble warning light LED
EPS warning light LED (YFM7FGPX only)
Park indicator light LED
On-command four-wheel drive/differential
gear lock indicator
High-range indicator light LED
Low-range indicator light LED
Differential gear lock indicator light LED

LCD

SPEC

– 3 –

– 3 –

ENGINE SPECIFICATIONS

EBS01002

SPEC

ENGINE SPECIFICATIONS

Item Standard Limit

Valve spring

Free length

Intake 40.38 mm (1.59 in) 38.36 mm

Exhaust 40.38 mm (1.59 in) 38.36 mm

Installed length (valve closed)

Intake 35.00 mm (1.38 in) ---­Exhaust 35.00 mm (1.38 in) ----

Compressed spring force (installed)

Intake 171 ~ 197 N

(17.44 ~ 20.09 kgf, 38.44 ~ 44.29 lb)

Exhaust 171 ~ 197 N

(17.44 ~ 20.09 kgf, 38.44 ~ 44.29 lb)

Spring tilt

(1.51 in)

(1.51 in)

----

----

Intake ---- 2.5°/1.80 mm

(2.5°/0.071 in)

Exhaust ---- 2.5°/1.80 mm

(2.5°/0.071 in)

Winding direction (top view)

Intake Clockwise ---­Exhaust Clockwise ----

– 4 –

– 4 –

CHASSIS SPECIFICATIONS

EBS01003

SPEC

CHASSIS SPECIFICATIONS

Item Standard Limit

Front wheel

Type Panel wheel ---­Rim size 12 × 6.0 AT ---­Rim material Aluminum (YFM7FGPX)

Steel (YFM7FGX)

Maximum radial wheel runout ---- 2.0 mm

(0.08 in)

Maximum lateral wheel runout ---- 2.0 mm

(0.08 in)

Rear wheel

Type Panel wheel ---­Rim size 12 × 7.5 AT ---­Rim material Aluminum (YFM7FGPX)

Steel (YFM7FGX)

Maximum radial wheel runout ---- 2.0 mm

(0.08 in)

Maximum lateral wheel runout ---- 2.0 mm

(0.08 in)

----

----

– 5 –

– 5 –

ELECTRICAL SPECIFICATIONS

EBS01004

SPEC

ELECTRICAL SPECIFICATIONS

Item Standard Limit

ECU

Model/manufacturer F8T83472/MITSUBISHI ----

Ignition coil

Model/manufacturer 2JN/YAMAHA ---­Minimum ignition spark gap 6.0 mm (0.24 in) ---­Primary coil resistance 2.16 ~ 2.64 Ω at 20 °C (68 °F) ---­Secondary coil resistance 8.64 ~ 12.96 kΩ at 20 °C (68 °F) ----

Circuit breaker

Circuit breaker type Fuse ---­Fuses

Main fuse 40.0 A ---­Headlight fuse 15.0 A ---­Signaling system fuse 5.0 A ---­Ignition fuse 10.0 A ---­Auxiliary DC jack fuse 15.0 A ---­Fuel injection system fuse 15.0 A ---­Four-wheel-drive motor fuse 10.0 A ---­EPS fuse 40.0 A (YFM7FGPX only) ---­Radiator fan motor fuse 15.0 A ---­Spare fuse 40.0 A

15.0 A

10.0 A

5.0 A

----

----

----

----

– 6 –