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d. Remove the filter cover and oil filter
securing bolt.
HA
1. Filter securing bolt.
e. Slip the filter element out and clean.
f. Install the filter and filter cover.
Filter torque:
1.0 m-ko f7 f&lb)
tight.)
Drain plug torque:
4.4 m-kg (32 ft-lb)
h. Add oil through the dip stick hole.
r
Oil quantity:
2.0 lit (2.1 qt): periodic oil change
2.5 lit (2.6 qt): engine overhauling
Recommended oil:
Yamalube 4-cycle oil or SAE
20W/40 type "SE" motor oil
D. Clutch adjustment
This model has a clutch cable length adjuster
and a clutch mechanism adjuster. Normally,
once the mechanism is properly adjusted, the
only adjustment required is maintenance of
free play at the clutch handle lever.
Loosen the handle lever adjuster lock nut.
Next, turn the length adjuster either in or
out until proper lever free play is achieved.
1 . 2-3mm (0.08-0.12inl
2. Lock nut
2. Mechanism adjustment
a. Screw in the cable adjuster (on the lever
holder) until tight.
b. Screw in the adjuster (push screw) until it
lightly seats against a clutch push rod.
c. Back the adjuster out l/4 turn and
tihgten the lock nut.
d. Adjust the free play of clutch lever by
turning the cable adjuster.
2. Lock nut
E. Cam chain adjustment
The cam chain becomes stretched with use,
resulting in improper valve timing and engine
noise. To prevent this the cam chain ten-
sioner must be adjusted regularly.
Remove the cap nut.
Turn the adjuster bolt in until the push
rod (inside the adjuster bolt) is flush with
the end of the adjuster bolt.
NOTE:
The push rod will not come out beyond a
certain limit even if the adjuster bolt con-
tinues to be screwed in.
Reinstall the cap nut.
Valve clearance adjustment
NOTE:
Valve clearance must be measured with
the engine at room temperature.
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