| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp aim out of alignment | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Brake hose damaged | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front mudguard can easily contact the wheel |2.3.7| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies switch on front lever not functioning |1.3.1a| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Shock absorber has a serious fluid leak os and ns front |5.3.2 |b|| | 1 |
| Gradient brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Registration plate issues | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Front Lower Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Centre Front Upper Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Centre Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Front Upper Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Front Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Nearside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Centre Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Front wheel spindle loose |2.3.3a| | 1 |
| Horn not loud enough to be heard by another road user INTERMITTENT |1.7.3a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake component inadequately mounted brake hose |1.1.21 |c|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |