Checking The Timing Chain Guide; Installing The Piston And Cylinder - Yamaha YJ125S Service Manual

1
2
3
CYLINDER AND PISTON
4
3
2
1
2
a
5-33

CHECKING THE TIMING CHAIN GUIDE

1. Check:
8 timing chain guide (exhaust side)
Damage/wear
EAS00267

INSTALLING THE PISTON AND CYLINDER

1. Install:
8 oil ring expander 1
8 oil ring rail 2
8 2nd ring 3
8 top ring 4
NOTE:
Be sure to install the piston rings so that the
manufacturer's marks or numbers face up.
2. Install:
8 piston 1
8 piston pin 2
8 piston pin clip
NOTE:
8 Apply engineoil the piston pin.
8 Make sure the arrow mark a on the piston
points towards the exhaust side of the cyl-
inder.
8 Before installing the piston pin clip, cover
the crankcase opening with a clean rag to
prevent the clip from falling into the crank-
case.
ENG
Replace
3
New