| Most common failures | No# failures |
|---|
| Registration plate issues | 15 |
| Headlamp aim out of alignment | 15 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Registration plate lamp issues | 2 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear Rear suspension bearing has excessive free play SWING ARM AND SUSPENSION LINKAGE |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| An item not tested |Manual| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Fuel tank leaking |7.2.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Fuel pipe leaking overflow pipe on carb |7.2.1a| | 1 |
| Lower Rear suspension bush has excessive free play shocker bush,s |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam Both High and Low beam come on together caused by incorrect wiring. |1.2.2a|i|| | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Front Upper Handlebar restricted in free movement from lock to lock cables restricting full lock (2.1.4 (c)) | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Centre Rear Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride split pin broken on brake arm |6.2.1h| | 1 |
| Nearside Front Wheel has a missing rivet/s or bolts bolt missing in hub |5.2.2 |e| |i|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Drive chain sprocket 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 |
| Nearside Rear Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Drive chain horseshoe locking device likely to become detached |6.1.7 |j| |ii|| | 1 |