| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Horn not working |1.7.3a| | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 4 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 3 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Front suspension assembly component loose |2.3.1| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 2 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Horn not working |1.7.3a| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Centre Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Built up wheel has a loose bolt/s |4.2.1c| | 1 |
| Central Front Lower Brake effort inadequate at a wheel owners a idiot |1.2.1 |a| |i|| | 1 |
| Central Front Lower Brake effort inadequate at a wheel and again owners a idiot |1.2.1 |a| |i|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Rear Stop lamp insecure |1.3.3b| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Nearside Fuel hose leaking |7.2.1a| | 1 |
| Brake hose damaged | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake pedal mounting insecure |3.1.2a| | 1 |
| Rear Brake pedal attachment screws missing. |3.1.2b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Headlamp dipped beam affected by the operation of the horn Also goes out on lock |1.2.2c| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied Impeded by luggage bag |3.1.3c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Centre Motorcycle structure cracked |6.1.1a| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment no reserve travel |1.1.15 |f|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Stop lamp not working brake switch insecure |4.3.1 |a| |ii|| | 1 |
| Rear Shock absorber insecurely attached lock nut not securing shock |5.3.2 |a| |i|| | 1 |