2. INSPECTION/ADJUSTMENT QUANNON 125
Bolts
VALVE CLEARANCE
Inspect and adjust valve clearance while
the engine is cold (below 35).
Remove the fuel tank.
Remove four bolts on the cylinder head
cover.
Remove the cylinder head cover protector.
Remove the cylinder head cover.
"T" Mark
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.
After adjustment, rotate the crankshaft
several turns to make sure that the valve
clearance is correct.
Inspect and adjust the valve clearance.
Valve Clearance: IN : 0.06mm
EX: 0.06mm
Loosen the lock nut and adjust by turning the
adjusting bolt.
Special Tool
Tappet Adjust E012
Check the valve clearance again after
the lock nut is tightened.
Feeler Gauge
CARBURETOR IDLE SPEED
The engine must be warm for accurate
idle speed inspection and adjustment.
Turn the throttle stop screw to obtain the
specified idle speed.
Idle Speed: 1600100rpm
When the engine misses or run erratic,
adjust the pilot screw.
When adjusting the carburetor, make
sure to use the E/M tester.
Pilot Screw Throttle Stop Screw
2-5