10-14 SERVICING INFORMATION CHASSIS Complaint Symptom and possible causes Remedy Heavy steering 1. Overtightened steering stem nut Adjust. 2. Broken bearing in steering stem Replace. 3. Distorted steering stem Replace. 4. Not enough pressure in tires Adjust. Wobbly handlebars 1. Loss of balance between right and left front forks Adjust. 2. Distorted front fork Repair or replace. 3. Distorted front axle or crooked tire Replace. 4. Loose steering stem nut Adjust. 5. Worn or incorrect tire or wrong tire pressure Adjust or replace. 6. Worn bearing/race in steering stem Replace. Wobbly front wheel 1. Distorted wheel rim Replace. 2. Worn front wheel bearings Replace. 3. Defective or incorrect tire Replace. 4. Loose axle or axle pinch bolt Retighten. 5. Incorrect front fork oil level Adjust. 6. Incorrect front wheel weight balance Adjust. Front suspension 1. Weakened springs Replace. too soft 2. Not enough fork oil Replenish. E 3. Wrong weight fork oil Replace. 4. Improperly set front fork spring adjuster LAdjust. 5. Improperly set front fork damping force adjuster Adjust. Front suspension 1. Too viscous fork oil P Replace. too stiff 2. Too much fork oil M Drain excess oil. 3. Improperly set front fork spring adjuster Adjust. 4. Improperly set front fork damping force adjuster Adjust. A 5. Bent front axle Replace. Noisy front suspen- 1. Not enough fork oil Replenish. S sion 2. Loose bolts on suspension Retighten. Wobbly rear wheel 1. Distorted wheel rim Replace. 2. Worn rear wheel bearing or swingarm bearings Replace. 3. Defective or incorrect tire Replace. 4. Worn swingarm and rear suspension bearings Replace. 5. Loose nuts or bolts on rear suspensions Retighten. Rear suspension 1. Weakened spring of shock absorber Replace. too soft 2. Leakage of oil or gas shock absorber Replace. 3. Improperly set rear spring pre-load adjuster Adjust. 4. Improperly set damping force adjuster Adjust. Rear suspension 1. Bent shock absorber shaft Replace. too stiff 2. Bent swingarm pivot shaft Replace. 3. Worn swingarm and rear suspension bearings Replace. 4. Improperly set rear spring pre-load adjuster Adjust. 5. Improperly set damping force adjuster Adjust. Noisy rear suspen- 1. Loose nuts or bolts on rear suspension Retighten. sion 2. Worn swingarm and suspension bearings Replace.