3. INSPECTION/ADJUSTMENT MXU 500 IRS
Timing Hole Cap/O-ring
VALVE CLEARANCE
Inspect and adjust the valve clearance
while the engine is cold (Below
35°C/95°F).
To adjust:
Remove the right floorboard (refer to the
"FRAME COVERS" section in the chapter
2).
Remove the cylinder head cover (refer to
the "CYLINDER HEAD COVER
REMOVAL/INSTALLATION" section in
the chapter 8).
Remove the timing hole cap and O-ring.
Index Mark
Remove the recoil starter and O-rings (refer
to the "STARTER PULLEY
REMOVAL/INSPECTION/
INSTALLATION" section in the chapter
8).
Turn the crankshaft clockwise and align the
"T" mark on the flywheel with the index
mark on the right crankcase cover.
"T" Mark
Punch Marks
The punch marks on the camshaft should
face upward as shown.
If the punch marks on the camshaft are
facing downward, turn the crankshaft
clockwise one full turn (360°) and the
punch marks are facing upward.
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