Yamaha Phazer Venture Lite PZ50MTA 2011 Handbuch

FOREWORD

This Supplementary Service Manual has been prepared to introduce new service and new data for

the PZ50GTA, PZ50RTA, PZ50MTA, PZ50VTA. For complete information, on service procedures, it

is necessary to use this Supplementary Service Manual together with following manual:

PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW SERVICE MANUAL:

8GC-28197-10 (LIT-12618-02-58)

PZ50X, PZ50GTX, PZ50RTX, PZ50MTX, PZ50VTX, PZ50MPX

SUPPLEMENTARY SERVICE MANUAL:

8GC-28197-11 (LIT-12618-02-67)

PZ50GTA, PZ50RTA, PZ50MTA, PZ50VTA

SUPPLEMENTARY SERVICE MANUAL

Corporation, U.S.A.

1st Edition, April 2010

unauthorized use without the written

permission of Yamaha Motor Corporation,

U.S.A. is expressly prohibited.

Printed in U.S.A.

P/N.LIT-12618-02-93

MAJOR SPECIFICATIONS

Model PZ50GTA PZ50RTA PZ50MTA PZ50VTA

Model code 8GK7 8GN9 8GP9 8GJ9

Catalogue name Phazer GT Phazer RTX Phazer MTX Venture Lite

Class Trail Mountain 2-Up Touring

Utility

Seating capacity One Two

Engine type Liquid cooled 4-stroke, 10valves

Cylinder arrangement/

Displacement Backward-inclined parallel 2-cylinder/499cm3

Fuel system type Electronic fuel injection

Track length 3,072.4 mm (121 in) 3,648.5 mm (144 in)

Front suspension Independent, double wishbone

Front shock

absorber

40 mm GYTR®

dual-clicker HPG

Fox®FLOATTM

(air shock) KYB®gas cell KYB®gas cell

Rear suspension Dual Shock®Dual Shock®CK ProMountain®144 ProComfort®144

Rear shock

absorber

Front C36 KYB®HPG C36 KYB®

aluminum HPG C36 KYB®HPG KYB®gas cell

Rear C36 KYB®HPG C40 aluminum HPG C36 KYB®HPG KYB®gas cell

Ski type Lightweight plastic, saddleless design Wide saddleless

plastic mountain ski

Lightweight

plastic, saddleless

design

Electric start Standard

Reverse Standard

IMPORTANT

This manual was produced by the Yamaha Motor Company, Ltd. primarily for use by Yamaha deal-

ers and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one

manual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha

snowmobiles should have a basic understanding of mechanics and the techniques to repair these

types of snowmobiles. Repair and maintenance work attempted by anyone without this knowledge

is likely to render the snowmobile 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

snowmobile will operate as designed. If there is any question about a service procedure, it is imper-

ative 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 snowmobile and

to conform to federal environmental quality objectives.

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

significant changes in specifications or procedures will be forwarded to all authorized Yamaha deal-

ers and will appear in future editions of this manual where applicable.

TIP

• 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.

IMPORTANT MANUAL INFORMATION

Particularly important information is distinguished in this manual by the following notations.

This is the safety alert symbol. It is used to alert you to potential per-

sonal injury hazards. Obey all safety messages that follow this symbol

to avoid possible injury or death.

A WARNING indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

WARNING

A NOTICE indicates special precautions that must be taken to avoid

damage to the snowmobile or other property.

NOTICE

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

TIP

ILLUSTRATED SYMBOLS

(Refer to the illustration)

Illustrated symbols to are designed as

thumb tabs to indicate the chapter’s number

and content.

General information

Periodic inspection and adjustment

Chassis

Power train

Engine

Cooling system

Fuel injection system

Electrical

Specifications

Illustrated symbols to are used to iden-

tify the specifications which appear.

Filling fluid

Lubricant

Tightening torque

Wear limit, clearance

Engine speed

Special tool

Electrical data (Ω, V, A)

Illustrated symbols to in the exploded

diagram indicate grade of lubricant and loca-

tion of lubrication point.

Apply locking agent (LOCTITE®)

Apply Yamabond No. 5®

Apply engine oil

Apply gear oil

Apply molybdenum disulfide oil

Apply brake fluid

Apply wheel bearing grease

Apply low-temperature lithium-soap-based

grease

Apply molybdenum disulfide grease

Apply silicone grease

ESSO beacon 325 grease or Aeroshell

grease #7A

Use new one

CONTENTS

GENERAL INFORMATION GEN

INFO 1

PERIODIC INSPECTION AND

ADJUSTMENT INSP

ADJ 2

CHASSIS CHAS 3

POWER TRAIN POWR

TR 4

ENGINE ENG 5

COOLING SYSTEM COOL 6

FUEL INJECTION SYSTEM FI 7

ELECTRICAL ELEC 8

SPECIFICATIONS SPEC 9

CHAPTER 1.

GENERAL INFORMATION

FEATURES.................................................... 1

OIL PRESSURE SENSING SYSTEM ......1

CHAPTER 2.

PERIODIC INSPECTION AND

ADJUSTMENT

ENGINE .........................................................2

ENGINE OIL REPLACEMENT .................2

CHAPTER 5.

ENGINE

OIL PAN AND OIL PUMP ............................. 6

CHAPTER 7.

FUEL INJECTION SYSTEM

FUEL INJECTION SYSTEM..........................8

WIRING DIAGRAM (PZ50GTA,

PZ50RTA, PZ50MTA)...............................9

WIRING DIAGRAM (PZ50VTA)..............11

ECU SELF-DIAGNOSTIC FUNCTION ...13

SELF-DIAGNOSTIC FUNCTION

TABLE.....................................................13

TROUBLESHOOTING CHART ..............15

DIAGNOSTIC MODE.............................. 16

OIL PRESSURE SENSING SYSTEM

TROUBLESHOOTING ............................ 26

OIL PRESSURE SENSOR .....................27

CHAPTER 8.

ELECTRICAL

SWITCH INSPECTION ............................... 28

SWITCH INSPECTION .......................... 28

INSPECTING A SWITCH SHOWN IN

THE MANUAL ........................................ 29

CHAPTER 9.

SPECIFICATIONS

GENERAL SPECIFICATIONS.................... 30

MAINTENANCE SPECIFICATIONS ........... 30

FRONT SUSPENSION........................... 30

POWER TRAIN ...................................... 30

ELECTRICAL ......................................... 31

TIGHTENING TORQUE .............................. 31

ENGINE.................................................. 31

CABLE ROUTING....................................... 32

GEN

INFO

GENERAL INFORMATION

FEATURES

OIL PRESSURE SENSING SYSTEM

This model is equipped with an oil pressure sensing system. When the oil pressure drops, the rpm

limiter is activated, and the engine rpm is reduced, or the engine is shut off, if necessary.

If the oil pressure is incorrect upon starting the engine

1. “OP-LO” appears and the oil level/pressure warning indicator illuminates on the meter dis-

play.

2. When the two items, above, are displayed, they indicate the rpm limiter is in operation; the rpm is

reduced to less than or equal to the clutch engagement rpm, even though the throttle is open. If

the incorrect oil pressure persists, the engine stops automatically after approximately one

minute.

3. When the oil pressure stabilizes to the correct level (“OP-LO” disappears and the oil level/pres-

sure warning indicator goes off), the limiter is automatically canceled as long as the throttle is not

operated.

4. Note that it may take a few seconds for the oil pressure to rise to the optimum level after the

engine is started, even in normal conditions. If the meter display described in (1) is no longer dis-

played after a few seconds, this indicates that everything is normal.

TIP

When disassembling the engine, replacing the engine oil or oil filter, etc., if the oil is drained entirely

from the piping, there may be delay before the oil pressure rises.

If abnormally low oil pressure is detected when the snowmobile is running

1. Fault code No. 30 appears on the meter display.

2. If the snowmobile runs at high speed simultaneously, the engine rpm decreases gradually and

the engine is shut off, after approximately seven seconds. If the snowmobile runs at low speed,

the engine is shut off immediately.

If air has entered the oil pressure line due to excessive snowmobile movement (falling over, exces-

sive tilting, etc.), the oil pressure may drop and the system may be activated.

Refer to “OIL PRESSURE SENSING SYSTEM TROUBLESHOOTING”.

FEATURES

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