Yamaha RS90GTZ Service Manual page 252

CAMSHAFTS
6. Turn:
• Crankshaft
(several turns clockwise)
7. Inspect:
• "I" mark
Make sure the "I" mark
neto rotor is aligned with the stationary
pointer on the AC magneto cover.
• Camshaft holes
Make sure the holes
cam are aligned with the arrow marks
the camshaft caps.
Out of alignment → Adjust.
Refer to the installation steps above.
8. Measure:
• Valve clearance
Out of specification → Adjust.
Refer to "VALVE CLEARANCE ADJUST-
MENT" in CHAPTER 2.
9. Install:
• Cylinder head cover gasket
• Cylinder head cover
Cylinder head cover bolt:
12 Nm (1.2 m•kgf, 8.7 ft•lbf)
TIP
• Apply bond TB1541
faces of the cylinder head cover and cylinder
head cover gasket.
• Apply Yamaha bond No. 1215
mating surfaces of the cylinder head cover
gasket.
• Tighten the cylinder head cover bolts stages
and in a crisscross pattern.
Yamaha bond No. 1215:
(Three Bond No.1215
90890-85505
5-27
ENG
on the AC mag-
in the cylinder #3 -
®
onto the mating sur-
onto the
®
)
on