| Most common failures | No# failures |
|---|
| Registration plate issues | 17 |
| Headlamp aim out of alignment | 16 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 7 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Registration plate lamp issues | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Upper Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Rear Lower Motorcycle structure excessively corroded swinging arm have marked with yellow chalk |6.1.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Throttle operating incorrectly Sticks on |6.2.1f| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp not working foot brake |4.3.1 |a| |ii|| | 1 |
| Front wheel has a missing wheel bolt|s| |4.2.3a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Centre Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Front Drive chain sprocket excessively loose kush rubbers |6.1.7 |c| |i|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 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 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |