Yamaha YZF-R6 Service Manual page 170

VALVES AND VALVE SPRINGS
6. Lubricate:
S valve pad
(with the recommended lubricant)
7. Install:
S valve pad
S valve lifter
NOTE:
S The valve lifter must move smoothly when ro-
tated with a finger.
S Each valve lifter and valve pad must be rein-
stalled in its original position.
4-30
ENG
Recommended lubricant
Molybdenum disulfide oil