| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 7 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Steering lock stop maladjusted |2.1.3| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 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 |
| Rear Suspension arm attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls no brake light from front switch (4.3.2 (a) (iii)) | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Stop lamp not working from rear brake control (4.3.1 (a) (ii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute all |1.5.1c| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |