Yamaha PZ50W Service Manual page 30

2
VALVE CLEARANCE ADJUSTMENT
NOTE:
• Apply molybdenum disulfide oil to the valve pad
• The valve lifter must turn smoothly when rotated
1 • Install the valve lifter and the valve pad in the cor-
NOTE:
• Refer to "CAMSHAFTS" in CHAPTER 5.
• Lubricate the camshaft caps, camshaft lobes,
• Align the camshaft marks with the camshaft cap
• Rotate the crankshaft counterclockwise several
NOTE:
For installation, reverse the removal procedure.
Note the following points.
2-12
• Install the new valve pad 1 and the valve lifter
2.
and the valve lifter.
by hand.
rect place.
• Install the exhaust and intake camshafts, timing
chain and camshaft caps.
Camshaft cap bolt:
9 Nm (0.9 m · kg, 6.5 ft · lb)
camshaft journals and camshaft cap bolts.
marks.
turns to seat the parts.
• Measure the valve clearance again.
• If the valve clearance is still out of specification,
repeat all of the valve clearance adjustment
steps until the specified clearance is obtained.
7. Install:
• Crankshaft end accessing screw
• Timing mark accessing screw
8. Install:
• Cylinder head cover
Refer to "CAMSHAFTS" in CHAPTER 5.
9. Install:
• All removed parts
INSP
ADJ