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10. CRANKCASE/CRANKSHAFT/TRANS-
MISSION SYSTEM/STARTER SPINDLE QUANNON 125
Remove the transmission drum.
Transmission Drum
INSPECTION
TRANSMISSION FORK/DRUM INSPECTION
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 or poor
lubrication.
Check the transmission drum grooves for damage. Right
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 right crankcase halves for
wear or damage.
Left
10-5