Yamaha YP250 98 Manual

FOREWORD

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

the YP250 (J) ’98. For complete service information procedures it is necessary to use this Sup-

plementary Service Manual together with the following manual.

YP250 SERVICE MANUAL: 4UC-AE1

YP250 (J) ’98

SUPPLEMENTARY

SERVICE MANUAL

1997 by Yamaha Motor Co., Ltd.

First Edition, June 1997

Any reproduction or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

NOTE:

CAUTION:

EB001000 NOTICE

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

ersandtheirqualifiedmechanics.Itisnotpossibletoincludealltheknowledgeofamechanicin

one manual, so it is assumed that anyone who uses this book to perform maintenance and re-

pairsonYamahascooterhasabasicunderstandingofthemechanicalideasandtheprocedures

of scooter repair. Repairs attempted by anyone without this knowledge are likely to render the

scooter unsafe and unfit for use.

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 Ya-

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

Designs and specifications are subject to change without notice.

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 scooter operator, a bystander or a person inspecting or re-

pairing the scooter.

A CAUTION indicates special precautions that must be taken to avoid

damage to the scooter.

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

243

YP002000 HOW TO USE THIS MANUAL

MANUAL ORGANIZATION

This manual consists of chapters for the main categories of subjects. (See “Illustrated sym-

bols”)

1st title 1: This is the title of the chapter with its symbol on the upper right corner of each

page.

2nd title 2: Thistitleindicatesthesectionofthe chapter and only appears on thefirstpageof

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 ac-

companied by corresponding illustrations.

EXPLODED DIAGRAMS

To heps identify parts and clarify procedure steps, there are exploded diagrams at start of each

removal and disassembly section.

1. An easy-to-see exploded diagram 4is provided for disassembly and assembly jobs.

2. Numbers 5are given in the order of jobs in the exploded diagram. A number that is en-

closed 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 7accompanies 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 8are given in

addition to the exploded diagram and the job instruction chart.

24 25

19 20

22 23

EB003000

ILLUSTRATED SYMBOLS

Illustrated symbols 1to 9are designed as

thumbtabstoindicatethe chapter’snumber

and content.

1General information

2Specifications

3Periodic inspection and adjustment

4Engine

5Cooling system

6Carburetion

7Chassis

8Electrical

9Troubleshooting

Illustratedsymbols 10 to 17 are usedtoiden-

tify the specifications appearing in the text.

10 Possible to maintain with engine mounted

11 Filling fluid

12 Lubricant

13 Special tool

14 Tightening

15 Wear limit, clearance

16 Engine speed

17 Ω, V, A

Illustrated symbols 18 to 23 in the exploded

diagrams indicate the types of lubricants

and lubrication points.

18 Apply engine oil

19 Apply gear oil

20 Apply molybdenum disulfide oil

21 Apply wheel bearing grease

22 Apply lightweight lithium-soap base grease

23 Apply molybdenum disulfide grease

Illustrated symbols 24 to 25 in the exploded

diagrams indicate the where to apply lock-

ing agent 24 and when to install new parts

25.

24 Apply locking agent (LOCTITE)

25 Use new one

CONTENS

GENERAL INFORMATION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCOOTER IDENTIFICATION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

VEHICLE IDENTIFICATION NUMBER 1. . . . . . . . . . . . . . . . . . . . . . .

MODEL LABEL 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GENERAL SPECIFICATIONS 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MAINTENANCE SPECIFICATIONS 3. . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CHASSIS 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CABLE ROUTING 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PERIODIC INSPECTION AND ADJUSTMENTS 11. . . . . . . . . . . . . . . . . . .

COVER AND PANEL 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SIDE PANEL AND SEAT 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SIGNAL SYSTEM 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CIRCUIT DIAGRAM 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SIGNAL SYSTEM CHECK 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

YP250 ’98 WIRING DIAGRAM (FOR EUROPE)

YP250J WIRING DIAGRAM (FOR OCEANIA)

SCOOTER IDENTIFICATION GEN

INFO

YP100000

GENERAL INFORMATION

SCOOTER IDENTIFICATION

VEHICLE IDENTIFICATION NUMBER (for E)

The vehicle identification number 1is

stamped into the right side of the frame.

MODEL LABEL

The model label 1is affixed under the seat.

This information will be needed to order

spare parts.

GENERAL SPECIFICATIONS SPEC

SPECIFICATIONS

GENERAL SPECIFICATIONS

Model YP250

Model code: 4UC3 (except for CH, A, AUS)

4UD3 (for CH, A)

4UC4 (for AUS)

Tire pressure (cold tire):

Maximum load-except motorcycle

Loading condition A*

front

rear

Loading condition B*

front

rear

High-speed riding

front

rear

197 kg

0 90 kg

175 kPa (1.75 kg/cm2, 1.75 bar)

200 kPa (2.0 kg/cm2, 2.0 bar)

90 197 kg

200 kPa (2.0 kg/cm2, 2.0 bar)

225 kPa (2.25 kg/cm2, 2.25 bar)

200 kPa (2.0 kg/cm2, 2.0 bar)

250 kPa (2.5 kg/cm2, 2.5 bar)

Wheel travel:

Front wheel travel

Rear wheel travel 100 mm

90 mm

Bulb wattage quantity:

Headlight

Marker light

Tail/brake light

Flasher light

Meter light

High beam indicator light

Oil indicator light

Turn indicator light

License light

12V 60 W/55 W 1

12V 5 W 1

12V 5 W/21 W 1

12V 21W 4

12V 1.7W 4

12V 1.7 W 1

12V 3.4 W 2

12V 5 W 1

*Load is the total weight of cargo, rider, passenger, and accessories.

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