KYMCO MXU 300 -, User Manual

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11
.CRANKCASE/CRANKSHAFT/
BALANCE SHAFT
11-5
MXU 300250
CRANKSHAFT INSPECTION
Inspect the crankshaft gear teeth.
Burrs/chips/roughness/wear → Replace.
Measure the connecting rod small end I.D.
Service Limit (replace if over):
17.06 mm (0.6824 in)
Measure the connecting rod small end free
play (A).
Out of specification:
0.8 ~ 1 mm (0.032 ~ 0.04 in)
→ Replace the crankshaft.
Measure the crankshaft run out (B).
Service Limit (
replace if over
)
:
0.1 mm (0.004 in)
Measure the connecting rod big end side
clearance (C).
Service Limit (
replace if over
)
:
0.6 mm (0.024 in)
Measure the crank width (D).
Out of specification:
55.15 ~ 55.2 mm (2.206 ~ 2.208 in)
→ Replace the crankshaft.
B
B
A
D
C