Yamaha FX10X Service Manual page 458

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VALVES AND VALVE SPRINGS

5. To secure the valve cotters onto the valve stem,

lightly tap the valve tip with a soft-face hammer.

Hitting the valve tip with excessive force could

damage the valve.

6. Lubricate:

• Valve lifter

(with the recommended lubricant)

• Valve lifter

• The valve lifter must move smoothly when rotated

with a finger.

• Each valve lifter and valve pad must be rein-

stalled in its original position.

Recommended lubricant:

Molybdenum disulfide oil

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