| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 14 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Nearside Rear Footrest missing |6.2.1a| | 7 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 6 |
| Drive chain worn to excess |6.2.1e| | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Handlebar deformed |2.1.1b| | 6 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Offside Rear Footrest missing |6.2.1a| | 5 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 5 |
| Registration plate issues | 5 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Horn not working |1.7.3a| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Handlebar deformed |2.1.1b| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Footrest missing (6.2.12 (a)) | 3 |
| Front Position lamp not working |4.2.1 |a|| | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Rear Brake pedal is inoperative |3.1.3c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Chain guard insecure |6.2.1c| | 2 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front position lamp does not illuminate immediately when switched on side light |1.1.3a| | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Rear suspension bush has excessive free play swing arm |2.4.A2a|i|| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Registration plate lamp issues | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Footrest missing both |6.2.1a| | 1 |
| Rear Brake pedal insecure PINCH BOLT BROKEN. (3.1.2a) | 1 |
| Nearside Rear Direction indicator lens defective such that the emitted light is adversely affected lens missing (4.4.1 (b) (ii)) | 1 |
| Footrest missing pillion footrests missing (6.2.12 (a)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain worn to excess Very stretched. |6.2.1e| | 1 |
| Rear Suspension component corroded and seriously weakened |5.3.3 |b| |i|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Rear Lower Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Nearside Rear Lower Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Rear Brake locking device missing brake bolt |3.2.A1e| | 1 |
| Offside Rear Brake pedal attachment screws missing. |3.1.2b| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride link clip missing |6.2.1h| | 1 |
| Shock absorber has a serious fluid leak rh fork seal (5.3.2 (b)) | 1 |
| Offside Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking handle bars bent an fouling fuel tank |6.1.1c| | 1 |
| Rear suspension component loose rear swing arm bushes |2.4.A.1a| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake master cylinder severely damaged |3.2.B1b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Suspension arm corroded and seriously weakened |5.3.3 |b| |i|| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Hand brake |1.1.15 |f|| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Foot brake |1.1.15 |f|| | 1 |
| Front suspension assembly component loose yoke clamp bolts |2.3.1| | 1 |
| Rear suspension bush has excessive free play swinging arm |2.4.A2a|i|| | 1 |
| Rear Stop lamp remains on when the brake is released foot brake |1.3.1e| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear suspension bearing has excessive free play Swing arm pivit |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake excessively binding brake arm seized (1.2.1 (f)) | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front suspension assembly component missing Top fork bolts. |2.3.1| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Offside Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Exhaust has part of the system missing Stud Missing Leaking Oil When Running |7.1.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition replaced muffler. (8.1.1 (a)) | 1 |
| All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Suspension arm pin or bush likely to become detached |5.3.4 |a| |ii|| | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Rear Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Nearside Upper Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Lower Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front suspension has severe distortion of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Stop lamp not working front brake light switch defective (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Central Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear wheel insecure cush drive worn |4.2.3b| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen lense fitted wrong |1.6.B.1| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Rear suspension bush has excessive free play swing arm side to side play |2.4.A2a|i|| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Wheel bearing has excessive play cush bearing (5.1.3 (a) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Offside Handlebar retaining device loose rear bolt (2.2.1 (b) (i)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Offside Front Brake master cylinder leaking window on reservoir leaking on front brake (1.1.10 (b) (ii)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Drive chain worn to excess replace |6.2.1e| | 1 |
| Offside Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected outer cable damaged causing inner to snag (6.2.7 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Headlamp switch insecure |1.2.4| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Chain guard insecure |6.2.1c| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear suspension bearing has excessive free play swing arm |2.4.A2a|i|| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Brake lagging in operation slow too release |1.2.1 |d|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies foot brake |1.3.1a| | 1 |
| Front Headlamp switch faulty front flash switch sticks |1.2.4| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Rear wheel brake arm over centre. (1.1.15 (f)) | 1 |
| Drive chain worn to excess Recommend sprockets replaced with chain. (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak L/H fork seal leaking.
R/H fork seal weeping. (5.3.2 (b)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| All direction indicators missing All. (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Direction indicator not working right hand front and rear not always working |1.5.1c| | 1 |
| Direction indicator insecure left hand rear |1.5.3b| | 1 |
| Front shock absorber seal failed and leaking oil left hand forkseal |2.3.3| | 1 |
| Footrest missing both rear footpegs missing |6.2.1a| | 1 |
| Motorcycle structure cracked mudguard |6.1.1a| | 1 |
| Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Direction indicator flashing more than 120 times per minute Front and rear. |1.5.1c| | 1 |
| Footrest missing Both pillion footrests missing. |6.2.1a| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Sprocket bolt missing |6.2.1h| | 1 |
| Rear suspension bearing has excessive free play Swing arm bearings |2.4.A2a|i|| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Horn control defective |1.7.2a| | 1 |