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10. CRANKCASE/CRANKSHAFT/TRANS-
MISSION SYSTEM/STARTER SPINDLE QUANNON 125
Remove the transmission drum.
Transmission Drum
INSPECTION
TRANSMISSION FORK/DRUM
Inspect each transmission fork for bending or
damage.
Measure each transmission fork claw
thickness.
Service Limit: 4.43mm replace if below
Measure each transmission fork shaft hole
I.D.
Service Limit: 12.058mm replace if over
Check the transmission fork shaft for
bending or damage.
Measure the transmission fork shaft O.D.
Service Limit: 11.936mm replace if below
Inspect the transmission drum for scratches Right
or poor lubrication.
Check the transmission drum grooves for
damage.
Check the bearing for excessive free play.
Measure the transmission drum O.D.
Service Limits:
Left : 12.926mm replace if below
Right : 20.919mm replace if below
Check the transmission drum and
transmission fork shaft holes in the left and Left
right crankcase halves for wear or damage.
10-5