Yamaha YZF-R1 (2006) [232/426] Valves and valve springs

VALVES AND VALVE SPRINGS

5-29

4. Install:

• Valve cotters “1”

NOTE:

Install the valve cotters by compressing the

valve spring with the valve spring compressor

“2” and the valve spring compressor attach-

ment “3”.

5. To secure the valve cotters “1” onto the

valve stem, lightly tap the valve tip with a

soft-face hammer.

CAUTION:

ECA13800

Hitting the valve tip with excessive force

could damage the valve.

6. Lubricate:

• Valve pad “1”

• Valve lifter “2”

(with the recommended lubricant)

7. Install:

• Valve pad

• Valve lifter

NOTE:

• 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.

b. Smaller pitch

Valve spring compressor

90890-04019

YM-04019

Valve spring compressor

attachment

90890-04108

Valve spring compressor

adapter 22 mm

YM-04108

Recommended lubricant

Molybdenum disulfide oil