Yamaha 2004 YP400 Service Manual page 92

ADJUSTING THE VALVE CLEARANCE
NOTE:
_
• Lubricate the valve pad with molybdenum
disulfide grease.
• Lubricate the valve lifter with molybdenum
disulfide oil.
• The valve lifter must turn smoothly when
rotated by hand.
• Install the valve lifter and the valve pad in the
correct place.
f. Install the exhaust and intake camshafts,
timing chain and the camshaft caps.
Camshaft cap bolt
10 Nm (1.0 m · kg, 7.2 ft · lb)
NOTE:
_
• Refer to "CAMSHAFTS" in chapter 5.
• Lubricate the camshaft bearings, camshaft
lobes and camshaft journals.
• First, install the exhaust camshaft.
• Align the camshaft sprocket marks with the
edge of the cylinder head.
• Turn the crankshaft counterclockwise sev-
eral full turns to seat the parts.
g. Measure the valve clearance again.
h. If the valve clearance is still out of specifica-
tion, repeat all of the valve clearance adjust-
ment steps until the specified clearance is
obtained.
L LLL L LLL L L LLL
3 - 13
CHK
ADJ
L L LLL L L LLL L L LLL L LLL