| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Headlamp aim beam image kick up to the offside |1.6| | 12 |
| Drive chain excessively loose |6.2.1d| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Registration plate issues | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| An item not tested |Manual| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Inner Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Upper Headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Hydraulic brake control feels spongy (3.1.4a) | 1 |
| Steering movement excessively notchy with the wheel raised (2.2.1b) | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Fuel hose leaking |7.2.1a| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Steering headbearing has excessive wear or free play bearing loose (2.2.2 (f) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Drive chain so worn it is likely to fail drive chain tight and has many tight spots(split link loose) (6.1.7 (c) (ii)) | 1 |
| Rear Brake pivot excessively worn |1.1.15 |b|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Centre Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 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 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Centre Front Upper Direction indicators not working |1.5.1c| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| 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| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |