| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Headlamp aim beam image kick up to the offside |1.6| | 13 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Registration plate issues | 10 |
| Drive chain excessively loose |6.2.1d| | 9 |
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 7 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Drive chain worn to excess |6.2.1e| | 5 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Wheel corroded significantly reducing the original strength |4.2.1a| | 4 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 4 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Rear Wheel corroded significantly reducing the original strength |4.2.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Registration plate lamp issues | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Fairings so located that it is likely to impede the steering |2.1.2e| | 2 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Fuel hose leaking |7.2.1a| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Rear Wheel spoke excessively corroded |4.2.1b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front Direction indicators not working |1.5.1c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Lower Fork yoke fractured |2.1.1b| | 1 |
| Rear Brake rod excessively damaged |3.2.A1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Inner Rear Upper Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Inner Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Inner Front Lower Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Outer Rear Lower Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Outer Rear Lower Wheel corroded significantly reducing the original strength |4.2.1a| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Throttle operating incorrectly sticking on right lock |6.2.1f| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Front Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Steering linkage ball joint worn to the extent there is a serious risk of detachment very tight adjustment ? |2.1.3 |b| |ii|| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Front Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake drum|s| cracked |3.2.A1g| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear shock absorber insecurely mounted rear shockabsorber detached |2.4.A.3b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Upper Brake component has an inadequate repair |3.1.5| | 1 |
| Front Upper Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Wheel spoke missing |4.2.1b| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Rear Upper Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Nearside Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Wheel spoke cracked. |4.2.1b| | 1 |
| Offside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Brake hose damaged | 1 |
| Offside Front suspension assembly component cracked |2.3.1| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Rear Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Rear Lower Rear mono-shock insecure |2.4.B.4| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear suspension component excessively corroded. swingarm |2.4.A.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake switch |1.3.1a| | 1 |
| Rear Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Wheel spoke excessively corroded |4.2.1b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected loose grip and doesnt return to idle when released (6.2.7 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected wheel adjuster locking nuts both sides (5.2.1 (c) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected grip insecure (6.2.7 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Front Brake master cylinder leaking Front brake master cylinder banjo bolt leaking. (1.1.10 (b) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |