2. INSPECTION/ADJUSTMENT
2-5
VALVE CLEARANCE
Remove the right and left side covers.
Remove the cylinder head cover protector..
Remove the cylinder head cover.
Rotate the generator flywheel to locate the
camshaft on the top dead center (TDC) and
align the “T” mark on the flywheel with the
mark on the left crankcase cover.
Inspect and adjust the valve clearance.
Valve Clearance: IN : 0.08mm
EX: 0.08mm
Cold Engine: IN: 0.05mm
EX: 0.05mm
Loosen the lock nut and adjust by turning the
adjusting bolt.
Valve Wrench 780614
CARBURETOR IDLE SPEED
Turn the throttle stop screw to obtain the
specified idle speed.
Idle Speed: 1600±100rpm
When the engine misses or run erratic, adjust
the pilot screw.
Bolts
Bolts
Inspect and adjust valve clearance while
the engine is cold (below 35℃).
“T” Mark
After adjustment, rotate the crankshaft
several turns to make sure that the valve
clearance is correct.
Adjusting Bol
Special
Check the valve clearance again after the
lock nut is tightened.
Feeler Gauge
Lock Nu
The engine must be warm for accurate
idle speed inspection and ad
ustment.
When adjusting the carburetor, make
sure to use a E/M tester.
Throttle Stop Screw
Pilot Screw
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