7
. CRANKSHAFT/PISTON/CYLINDER
CRANK BEARING CHOICE
Crankcase
Crank Pin
Mark
Mark
A
A
B
B
First install the plate bearings before
installing the upper and lower crankcase.
Apply engine oil to the plate bearing on the
crankcase.
Press the flange on the plate bearing into
the crankcase groove.
Measure the axle clearance between the
crank and crankcase.
Standard:0.30mm replace if over
Put the piston/connecting rod comp inside
the piston installer and then put it inside the
cylinder.
7-9
Bearing
Chose(Color)
B
A(Brown)
A
B(Green)
B
B(Green)
A
C(Yellow)
A.C.G. Side Mark
Flange
VENOX
250
One-Way Side Mark
Piston Installer