1XN125 XN150 TEOS 2000.pdf
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9338 KB
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Pobierz
XN125
2000
5MF1-AE2
XN150
SERVICE MANUAL
EASM0000
XN125 / XN150
SERVICE MANUAL
© 2000 by MBK Industrie
2nd edition, April 2001
All rights reserved.
Any reproduction or unauthorized
use without the written
permission of MBK Industrie
is expressly prohibited.
EASM0001
NOTICE
This manual was produced by the MBK Industrie primarily for use by Yamaha and MBK dealers 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 and MBK
vehicles should have a basic understanding of mechanics and the techniques to repair these types
of vehicles. Repair and maintenance work attempted by anyone without this knowledge is likely to
render the vehicle unsafe and unfit for use.
MBK Industrie is continually striving to improve all of its models. Modifications and significant chan-
ges in specifications or procedures will be forwarded to all authorized Yamaha and MBK dealers and
will appear in future editions of this manual where applicable.
NOTE:
Designs and specifications are subject to change without notice.
TECHNICAL DOCUMENTATION
MBK INDUSTRIE
EAS00005
IMPORTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following.
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 checking or repairing the scooter.
WARNING
A CAUTION indicates special precautions that must be taken to avoid damage
to the scooter.
CAUTION:
A NOTE provides key information to make procedures easier or clearer.
NOTE:
EAS00007
HOW TO USE THIS MANUAL
This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive
explanations of all installation, removal, disassembly, assembly, repair and check procedures are
laid out with the individual steps in sequential order.
The manual is divided into chapters. An abbreviation and symbol in the upper right corner of each
page indicate the current chapter. Refer to "SYMBOLS".
Each chapter is divided into sections. The current section title is shown at the top of each page,
except in Chapter 3 ("PERIODIC CHECKS AND ADJUSTMENTS"), where the sub-section title(s)
appears.
Sub-section titles appear in smaller print than the section title.
To help identify parts and clarify procedure steps, there are exploded diagrams at the start of each
removal and disassembly section.
Numbers are given in the order of the jobs in the exploded diagram. A circled number indicates
a disassembly step.
Symbols indicate parts to be lubricated or replaced. Refer to "SYMBOLS".
A job instruction chart accompanies the exploded diagram, providing the order of jobs, names of
parts, notes in jobs, etc.
Jobs requiring more information (such as special tools and technical data) are described
sequentially.
ENG
ENG
CYLINDER AND PISTON
CYLINDER AND PISTON
EASM0025
CYLINDER AND PISTON
EAS00253
REMOVING THE CYLINDER AND PISTON
1. Remove:
• piston pin clip
• piston pin
CAUTION:
Do not use a hammer to drive the piston pin
out.
NOTE:
• Before removing the piston pin clip, cover the
crankcase opening with a clean rag to prevent
the piston pin clip from falling into the crankcase.
• Before removing the piston pin, deburr the
piston pin clip’s groove and the piston’s pin
bore area. If both areas are deburred and the
piston pin is still difficult to remove, remove it
with the piston pin puller.
Piston pin puller
90890-01304
2. Remove:
• top ring
• 2nd ring
• oil ring
NOTE:
When removing a piston ring, open the end gap
with your fingers and lift the other side of the ring
over the piston crown.
• piston
6
4
5
3
7
8
9
10
11
1
12 Nm (1.2 m•kg)
2
F
W
D
Order
Job/Part
Q’ty
Remarks
Removing the cylinder and piston
Remove the parts in the order listed.
Cylinder head
Refer to “CYLINDER HEAD” section.
1
Cylinder bolt
2
2
Timing chain guide (exhaust side)
1
3
Cylinder
1
4
Dowel pin
2
5
Cylinder gasket
1
EAS00255
CHECKING THE CYLINDER AND PISTON
1. Check:
• piston wall
• cylinder wall
Vertical scratches
→
Rebore or replace the
cylinder, and replace the piston and piston
rings as a set.
6
Piston pin clip
2
7
Piston pin
1
8
Piston
1
9
Piston ring (top)
1
10
Piston ring (2nd)
1
11
Oil ring
1
For installation, reverse the removal
procedure.
4 - 23
4 - 24
EAS00008
SYMBOLS
The following symbols are not relevant to every
vehicle.
Symbols
GEN
INFO
SPEC
to
indicate the subject of each
chapter.
General information
CHK
ADJ
ENG
Specifications
Periodic checks and adjustments
Engine
Cooling system
Carburetor
COOL
CARB
Chassis
Electrical system
Troubleshooting
ELEC
CHAS
Symbols
to
indicate the following.
Serviceable with engine mounted
TRBL
SHTG
Filling fluid
Lubricant
Special tool
Tightening torque
Wear limit, clearance
Engine speed
Electrical data
Symbols
23
in the exploded diagrams indicate
the types of lubricants and lubrication points.
to
Engine oil
Gear oil
Molybdenum disulfide oil
22
23
21
21
Wheel bearing grease
22
Lithium soap base grease
23
Molybdenum disulfide grease
Symbols
25
in the exploded diagrams
indicate the following.
24
to
24
25
24
Apply locking agent (LOCTITE®)
25
Use a new one
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