3. ENGINE
3-
1. Mark“2”on magneto flywheel
2. Notch on magneto cover
3. Crankshaft position sensor location
Use a screwdriver to check if the groove in the
crankshaft is aligned with the hole.
1. Screw driver
Lock crankshaft
1. Crankshaft locking bolt
Gradually insert the tool in the crankshaft groove.
Make sure that the tool tip enters the groove and
does not jam on the crankshaft balancer surface.
Crankshaft Removal
Refer to CRANKCASE
Crankshaft Inspection
NOTE: Check each bearing journal of crankshaft
for scoring, scuffing, cracks or other signs of wear.
NOTE: Replace crankshaft if the gears are worn or
otherwise damaged.
NOTICE Components out of specifications always
have to be replaced .If this is not observed, severe
damage may be caused to the engine.
1. Crankshaft timing gears
Crankshaft Axial Play
NOTE: Axial play needs to be measured before
splitting the crankcase.
Measure play on PT0 end, using a dial indicator.
0.200 mm to 0.500 mm
(.008in to.02in)
If play is out of specification, replace crankcase
and/or crankshaft.
Connecting Rod Big End Axial Play
Using a feeler gauge, measure distance between
butting face of connecting rods and crankshaft
counterweight . If the distance exceeds specified
tolerance, replace the crankshaft.