39
8
(8) Feeler gauge (9) Adjusting screw
(10) Valve stem (11) Lock nut
10
9
Intake :
0.08 mm
Exhaust :
0.12 mm
Standard clearance (cold condition)
•
Adjust by loosening the lock nut (11) and
turning the adjusting screw until there is a
slight drag on the feeler gauge.
•
Install all parts in the reverse order of
disassembly.
•
After tightening the lock nut, check again
the clearance.
Ÿ
Check the clearance by inserting the feeler
gauge (8) between the adjusting screw (9)
and valve stem (10).
11
tight, the valves are open, rotate the cam
O
sprocket (6) 360 clockwise and realign the
'T' mark with the index mark.
piston is in compression stroke. If they are
5
4
3
(3) Timing hole cap (4) 'T' mark
(5) Index mark
The adjustment must be made when the
piston is at top dead center and both the inlet
and exhaust valves are closed.
This condition can be determined by moving
the rocker arms. If they are free, it is an
indication that the valves are closed and the
6
(6) Cam sprocket (7) Special tool
7
