GAS GAS EC 125 Racing 2013 User Manual page 61

MALFUNCTION
7 Gears do not engage correctly
8 Jumps out of gear
9 Clutch slips
10 The motorcycle is unstable
POSSIBLE CAUSE
- Clutch does not disengage.
- Bent or seized shift fork.
- Gear seized at the transmission.
- Damaged gearshift lever.
- Broken or loose selector position spring.
- Broken spring in the reverse selector
mechanism.
- Broken spring in the reverse selector
mechanism.
- Broken gear drum.
- Broken spring in the gear selector ratchet.
- Shift fork worn at the gears.
- Worn gear grooves.
- Worn gear dogs.
- Worn shift drum groove.
- Worn shift fork shaft.
- Broken selector drum position spring.
- Broken gears.
- No clutch lever free play.
- Worn clutch friction plate.
- Worn clutch center hub.
- Broken or weak clutch spring.
- Unevenly worn clutch discs.
- Cable interferes with the handlebar turns.
- Steering stem locknut too tight.
- Damaged or worn steering bearings.
- Bent steering stem.
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REMEDY
- Go to a specialized workshop.
- Replace the shift fork.
- Go to a specialized workshop.
- Replace the gearshift lever.
- Adjust or replace the selector position spring.
- Replace the spring in the reverse selector
mechanism.
- Replace the spring in the reverse selector
mechanism.
- Replace the gear drum.
- Replace the spring in the gear selector ratchet.
- Replace the shift fork.
- Replace. Go to a specialized workshop
- Replace. Go to a specialized workshop.
- Replace. Go to a specialized workshop.
- Replace shaft. Go to a specialized workshop.
- Replace the spring. Go to a specialized workshop.
- Go to a specialized workshop.
- Go to a specialized workshop.
- Replace the clutch friction plate.
Go to a specialized workshop.
- Replace the clutch center hub.
- Adjust or replace the clutch spring.
- Replace the clutch discs. Go to a specialized workshop.
- Move or loosen the cable just a little.
- Loosen the steering stem locknut.
- Replace the steering bearings.
- Replace the steering stem. Go to a specialized workshop.