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Cylinder Head
Valve Clearance Adjustment
NOTE; Adjust the valves only when the cylinder head
temoerature is less than 100'F (38"C).
1. Remove the cylinder head cover.
2. Set the No. 1 oiston at top dead center (TDC). The
TDC marks (A) on the cam chain sprocket should
align with the cylinder head surface.
Select the correct thickness feeler gauge for the
valves you're going to check.
Intake:
0.21-0.25 mm {0.008-0.010 in.}
Exhaust: 0.25-0.29 mm (0.010-0.011 in.)
Adiusting screw location:
INTAKE
' . _ .
i
1 .
- 1
,]
t
. - l
6-12
4. Insert the feeler gauge (A) between the adjusting
screw and the end ofthe valve stem and slide it
b a c k a n d f o r t h ; y o u s h o u l d f e e l a s l i g h t a m o u n t o f
d r a o .
lf you feel too much or too little drag, loosen the
locknut {A), and turn the adjusting screw (B) until
the drag on the feeler gauge is correct.
A
7 x 0.75 mm
20 N m {2.0 kgf.m. 14lbl ft)
Tighten the locknut and recheck the clearance.
Repeat the adjustment, if necessary.
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Troubleshooting
