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Rotate the crankshaft using the recoil starter knob
to align the ''T'' mark on the flywheel with the index
mark on the rear crankcase cover.
Make sure the piston is at TDC (Top Dead Center)
on the compression stroke.
This position can be obtained by confirming that
there is slack in the rocker arm. If there is no slack,
rotate the crankshaft one full turn and match up the
''T'' mark again.
W hen checking
Check the clearance of all valves by inserting a
the clearance,
feeler gauge between the adjusting screw and
slide the f eeler
valve stem.
gauge f rom the
inside out in the
VALVE CLEARANCE: IN/EX:
direction of the
arrow.
Adjust by loosening the lock nut and turning the
adjusting screw until there is a slight drag on the
feeler gauge.
Hold the adjusting screw and tighten the lock nut.
TORQUE:
After tightening the lock nut, recheck the valve
clearance.
Coat a new O-ring with engine oil and install it onto
the timing hole cap.
Install the timing hole cap and tighten it.
TORQUE:
Install the recoil starter cover.
Install the cylinder head cover (page 7-15).
0.15 mm (0.006 in)
17 N·m (1.7 kgf·m , 12 lbf·ft)
10 N·m (1.0 kgf·m , 7 lbf·ft)
I
I
N
N
D
D
E
E
X
X
M
M
A
A
R
R
K
K
F
F
E
E
E
E
L
L
E
E
R
R
G
G
A
A
U
U
G
G
E
E
L
L
O
O
C
C
K
K
N
N
U
U
T
T
MAINTENANCE
'
'
'
'
T
T
'
'
'
'
M
M
A
A
R
R
K
K
A
A
D
D
J
J
U
U
S
S
T
T
I
I
N
N
G
G
S
S
C
C
R
R
E
E
W
W
O
O
-
-
R
R
I
I
N
N
G
G
3-9
- Quick Links:
- Torque Values
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Table of Contents
Troubleshooting
