Yamaha WR250R Service Manual page 198

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1
5. To fasten the valve cotters "1" onto the valve
stem, lightly tap the valve tip with a soft-face
hammer.
ECA13800
CAUTION:
Hitting the valve tip with excessive force
could damage the valve.
6. Lubricate:
Valve pad "1"
G
Valve lifter "2"
G
Recommended lubricant
Molybdenum disulfide oil
7. Install:
Valve pad
G
Valve lifter
G
NOTE:
The valve lifter must move smoothly when ro-
G
tated with a finger.
Each valve lifter and valve pad must be rein-
G
2
2
M
1
5-24
VALVES AND VALVE SPRINGS
stalled in its original position.

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Wr250x

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