Timing chain tensioner bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
d. Release the timing chain tensioner rod by
pushing up the timing chain guide "5" from the
hole "6".
TIP
Do not push up the timing chain.
Push up the timing chain guide "5" in the direc-
tion "c" shown.
6
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5. Turn:
• Crankshaft
(several turns clockwise)
6. Check:
• "I" mark "a"
Make sure that the "I" mark is aligned with the
stationary pointer "b" on the generator cover.
• Camshaft sprocket alignment marks "c" and
"d"
Make sure that the camshaft sprocket align-
ment marks are aligned with the cylinder
head mating surface.
Out of alignment Correct.
Refer to the installation steps above.
c
5
b
a
7. Measure:
• Valve clearance
Out of specification Adjust.
Refer to "ADJUSTING THE VALVE CLEAR-
ANCE" on page 3-5.
8. Install:
• Timing chain guide (upper side)
• Gaskets
New
(to the cylinder head cover)
TIP
Apply Yamaha bond No. 1215 "1" onto the mat-
ing surfaces of the cylinder head cover and gas-
kets.
Yamaha bond No. 1215
90890-85505
(Three bond No.1215®)
9. Install:
• Cylinder head cover gasket
• Cylinder head cover
Cylinder head cover bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
TIP
Tighten the cylinder head cover bolts in stages
and in a crisscross pattern.
5-14
CAMSHAFTS
New