3. INSPECTION/ADJUSTMENT AGILITY 50
Cylinder Head Cover
VALVE CLEARANCE
Inspect and adjust valve clearance while
the engine is cold (below 35).
Remove the frame cover. ( 2-3)
Remove the six bolts on the cylinder head
cover.
Remove the cylinder head cover. ( 7-3)
Remove the cylinder head cover..
Bolts
Turn the flywheel counterclockwise so that
the "T" mark on the flywheel aligns with the
index mark on the crankcase to bring the
round hole on the camshaft gear facing up to
the top dead center on the compression
stroke.
Round Hole
Tappet Adjuster
Inspect and adjust the valve clearance.
Valve Clearance: IN : 0.04mm
EX: 0.04mm
Loosen the lock nut and adjust by turning the
adjusting nut
Special
Tappet Adjuster
· 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.
Remove the inspection cover.
Warm up the engine before this operation.
Start the engine and connect a tachometer.
Turn the throttle stop screw to obtain the
specified idle speed.
Idle Speed: 1900100rpm
When the engine misses or run erratic, adjust
the pilot screw. Throttle Stop Screw
3-5
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