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Yamaha TT-R90P Manuel D'atelier Du Proprietaire page 198

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CYLINDER AND PISTON
2. Position:
Top ring
2nd ring
Oil ring
Offset the piston ring end gaps as
shown.
a Top ring end
b Oil ring end (lower)
c Oil ring end (upper)
d 2nd ring end
3. Install:
Piston 1
Piston pin 2
Piston pin clips 3
NOTE:
Apply engine oil onto the piston pin, piston
ring and piston.
Be sure that the arrow mark a on the piston
points to the exhaust side of the engine.
Before installing the piston pin clip, cover the
crankcase with a clean rag to prevent the
piston pin clip from falling into the crankcase.
4. Lubricate:
Piston
Piston rings
Cylinder
NOTE:
Apply a liberal coating of engine oil.
Cylinder
1. Install:
Dowel pins
Gasket
Cylinder 1
NOTE:
Install the cylinder with one hand while com-
pressing the piston rings with the other hand.
CAUTION:
Be careful not to damage the timing chain
damper during installation.
Pass the timing chain through the timing
chain cavity.
4 - 26
ENG
New
New

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Ce manuel est également adapté pour:

Tt-r90