zing 125 qe Workshop-manual : Page 89

          10. CRANKCASE/CRANKSHAFT/TRANS-
    MISSION SYSTEM/STARTER SPINDLE           ZING II 125



       SPECIAL TOOLS
       Bearing remover
       Bearing remover block
       Universal bearing puller
       Bearing outer driver, 32x35mm
       Bearing outer driver, 37x40mm
       Bearing outer driver, 42x47mm
       Bearing outer driver, 52x55mm
       Pilot, 15mm
       Pilot, 17mm
       Pilot, 20mm
       Pilot, 22mm
       Inner bearing driver handle
       Bearing outer driver, I.D. 30mm




       TROUBLESHOOTING
       Excessive engine noise
       · Worn main shaft journal bearing
       · Worn crankshaft pin bearing
       · Worn transmission bearings

       Transmission gear tripping
       · Worn gear teeth
       · Bent transmission fork
       · Bent transmission fork shaft
       · Damaged gear shift cam stopper

       Hard shifting
       · Improperly adjusted clutch
       · Bent or damaged transmission fork
       · Bent transmission fork shaft
       · Bent gear shift spindle
       · Damaged transmission drum grooves




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