Yamaha TT600RE 2004 User Manual

INSPECTION AND REPAIR
5-30
ENG
CAMSHAFT CHAIN GUIDE
1. Inspect:
•
Side chain guide (exhaust) (1)
•
Side chain guide (intake) (2)
Wear/Damage ➔ Replace.
CYLINDER AND PISTON
1. Inspect:
•
Piston and cylinder walls
Vertical scratches ➔ Replace cylinder
liner and piston.
2. Measure:
•
Piston-cylinder clearance
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
Measurement steps:
•
Measure cylinder bore “C” with a cylinder
gauge.
(1) 50 mm from top of cylinder
NOTE:
Measure bore parallel and at right angles to the
driving shaft. Then calculate average measure-
ment.
First step
Standard
Wear
limit
Cylinder
94.97 ~ 95.02 mm 95.1 mm
bore “C”
C =
X + Y
2
•
If the measurements are out of tolerance,
replace the cylinder liner, piston and circlips
all together.
•
Measure diameter “P” of the piston skirt with a
micrometer.
(1) 5 mm from the lower edge of the piston
Second step
Piston “P” size:
Standard 94.915 ~ 94.965 mm
X
Y
C

Yamaha TT600RE 2004 Specifications

General

Brand	Yamaha
Model	TT600RE 2004
Category	Motorcycle
Language	English