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m) Adjustment of valve clearance (this operation should be carried out by a
specialist).
IMPORTANT: adjust the valve clearance on a cold engine.
I.
Remove the valve cover from the cylinder with its gasket (1).
II.
Align the marks during the compression stroke by pulling the
starter lever (2 and 3)
III.
Both valves - intake (8) and exhaust (9) - should be closed.
IV.
Insert the feeler gauge (4) between the pusher lever (5) and the
individual valve rod (8 or 9). Lock the pin (7) of the pusher lever
with a wrench and use a second wrench to loosen the lever locking
screw (6) and by turning it, set the target valve clearance. Then
tighten the screw and check the valve clearance again. Adjust until
the target clearance is achieved - required valve clearances:
Suction valve (8) - 0.15 mm
Exhaust valve (9) - 0.20 mm
V.
Put the valve cover (1) back on, giving it a new gasket (1).
n)
Cleaning the cylinder head (this operation should be performed by a
specialist). IMPORTANT: perform the operation on a cold engine.
Screw tightening torque: 220-260 kg-cm / 21.5-25.5 Nm
To get to the engine, first remove the air filter housing and the muffler.
Disassemble the parts in accordance with the order shown in the
diagrams (1-22).
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