| Most common failures | No# failures |
|---|
| Registration plate issues | 41 |
| Headlamp aim out of alignment | 35 |
| Rear reflector on motorcycle missing |1.4.1| | 33 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Horn not working |1.7.3a| | 5 |
| 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| | 5 |
| Registration plate lamp issues | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Footrest missing |6.2.1a| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 3 |
| Nearside Rear Footrest missing |6.2.1a| | 3 |
| Offside Rear Footrest missing |6.2.1a| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Drive belt worn to excess |6.2.1e| | 2 |
| Front Brake hose leaking fluid |3.2.B4| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear 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| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| All direction indicators not working |4.4.1 |a| |ii|| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Centre Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Centre Front Headlamp aim does not move downwards when dipped |1.6.5| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Front N/S fork (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Centre Lower 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 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front suspension has a modification which reduces the strength of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake hose excessively kinked |3.2.B3a| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Drive belt fouling another component |6.2.1d| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Rear Direction indicator obscured |1.5.1a| | 1 |
| Offside Rear Direction indicator obscured |1.5.1a| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Centre Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| All direction indicators not working all |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 |
| Rear Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Rear All direction indicators obviously incorrectly positioned Indicators too close together. |4.4.3 |a|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Upper Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Offside Rear Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Forks modification unsafe incorrect Hight or fitment (2.2.2 (e)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp insecure broken on nearside (4.1.1 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (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 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |