46
NOTE
The checking or adjusting of valve clearance
should be performed while the engine is cold.
The clearance will change as the engine
temperature rises.
Ÿ Remove the fuel tank.
Ÿ Remove the cylinder head cover (3) with its
gasket (4) by removing the cylinder head
cover bolts (5).
Ÿ Remove the engine breather pipe (1) by
removing the clip (2).
(1) Engine breather pipe (2) Clip
(3) Cylinder head cover (4) Gasket (5) Bolts
Ÿ Remove the timing hole cap with O-ring
(6). Rotate the cam sprocket (9) clockwise
using the special tool (10) until the ‘T’ mark
(7) on the flywheel coincides with the index
mark (8) on the left crankcase cover. In this
position, the piston will either be on the
compression or exhaust stroke.
8
6
(6) Timing hole cap with O-ring
(7) 'T' mark (8) Index mark
9
(9) Cam sprocket (10) Special tool
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
piston is in compression stroke. If they are
5
7
4
2
1
3
10
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