13.STEERING HANDLEBAR/FRONT WHEEL/FRONT BRAKE/FRONT SHOCK ABSORBER/FRONT FORK LIKE 50 2T SPECIAL TOOLS Lock nut wrench Driver handle A Outer driver, 28x30mm Pilot, 10mm Ball race remover Outer driver, 37x40mm Pliers (close) Bearing remover Bearing remover head, 10mm TROUBLESHOOTING Hard steering (heavy) Front wheel wobbling · Excessively tightened steering stem top · Bent rim cone race · Excessive wheel bearing play · Broken steering balls · Bent spoke plate · Insufficient tire pressure · Faulty tire Steers to one side or does not track straight · Improperly tightened axle nut · Uneven front shock absorbers Soft front shock absorber · Bent front fork · Weak shock springs · Bent front axle or uneven tire · Insufficient damper oil Poor brake performance Front shock absorber noise · Incorrectly adjusted brake · Slider bending · Worn brake linings · Loose fork fasteners · Contaminated brake lining surface · Lack of lubrication · Worn brake shoes at cam contacting area · Worn brake drum · Poorly connected brake arm Poor brake performance (Disk Brake) · Air in brake system · Deteriorated brake fluid · Contaminated brake pads and brake disk · Worn brake pads · Worn brake master cylinder piston oil seal · Clogged brake fluid line · Deformed brake disk · Unevenly worn brake caliper 3