Troubleshooting - Causes - Remedy
Possible troubles that may occur in service are covered in this paragraph. For each trouble, possible causes and suggested remedy
is indicated.
TROUBLE CAUSE REMEDY
Oil leaks past the sealing ring 1. Worn sealing ring 1. Replace sealing ring
2. Scored inner tube 2. Replace tube and sealing ring
3. Dirty sealing ring 3. Replace sealing ring and
dust seal and change oil
Oil leaks from fork leg bottom 1. Damaged rebound 1. ReplaceO-ring
adjuster O-ring
2. Loose rebound adjuster unit 2. Tighten rebound adjuster unit
Loss of feedback 1. Worn sliding bushings 1. Replace sliding bushings
2. Spent oil 2. Change oil
Unsmooth movement of legs 1. Fork leg improperly aligned 1. Loosen wheel axle and achieve
orrect alignment
Fork response unaffected by 1. Needle inside rod is stuck 1. Clean or replace rod
changes to setting 2. Adjuster screw stuck 2. Remove and clean adjuster screw
3. Debris in oil 3. Change oil and thoroughly
clean internal components
of fork
4. Valves clogged by debris 4. Change oil and thoroughly
clean internal components
of fork
Fork feels too soft 1. Low oil level 1. Top up to correct level
regardless of setting 2. Spring too soft or unserviceable 2. Replace spring
3. Oil viscosity too low 3. Change to oil with
higher viscosity rating
Fork feels too stiff 1. Oil level too high 1. Top up to correct level
regardless of setting 2. Oil viscosity too high 2. Change to oil with
lower viscosity rating
3. Spring too stiff or unserviceable 3. Replace spring
General maintenance
Usage
Intensive Normal
Motocross Enduro Motocross Enduro
Check torque of nuts and bolts Before each use
Clean dust seals After each race After each race After each use After each
use
Change oil 6 hours 20 hours 30 hours 60 hours
Change sealing rings 6 hours 20 hours 30 hours 60 hours
When the motorcycle is used on muddy or sandy terrain, shorten maintenance intervals by 30%.
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