Motorcycle Oscillations And Vibrations; Suspension Too Soft; Suspension Too Stiff; Wheel Removal And Checks - Gilera Nordwest Workshop Manual

TROUBLESHOOTING

Motorcycle oscillations and vibrations

Deformed rim
Loose or worn wheel bearings
Defective tyre
Incorrect tyre pressure
Incorrect chain adjustment cams
Slack wheel spindle
Worn fork spindle bearings
Frame of fork deformation
Incorrect wheel balancing

Suspension too soft

Weakened spring
Poor quantity of fork oil

Suspension too stiff

Bent absorber shock rod
Worn or damaged suspension rods or folk bolt bearings
Suspension noisy
Slack joint links
Defective absorber shock leg
Worn suspension link bushings

WHEEL REMOVAL AND CHECKS

Removal
By means of an appropriate support, lift the motorcycle wheel.
Loosen the adjusting nuts to the fork end (fig. 46).
Loosen and remove the wheel spindle nut, using a rubber hammer.
Moving forward the spindle, remove the chain from the rim then place the
chain on fork left side arm.
Paying attention on the brake pad and support, remove the wheel.
Installation
Pay attention to the rear wheel spindle washer correct position.
When reassembling, operate on reverse order of disassembly.
14 - 1