ATV250 11 (carter e controalbero).pdf


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11.CRANKCASE/CRANKSHAFT/
BALANCE SHAFT

Mongoose/KXR 250

Measure the connecting rod small end free
play (A).
Out of specification (0.8 ~ 1.0 mm) _
Replace the crankshaft.

A
B

B

Measure the crankshaft run out (B).
Service Limit: 0.10mm replace if over
C
D

Measure the connecting rod big end side
clearance (C).
Service Limit: 0.05mm replace if over
Measure the crank width (D).
Out of specification (55.15 ~ 55.2 mm) _
Replace the crankshaft.

Turn the crankshaft bearings and check for
excessive play.
Measure the crankshaft bearing play.
Service Limit:
Axial : 0.20mm replace if over
Radial : 0.05mm replace if over

Play
Play

Axial

11-5

Radial