| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Registration plate issues | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Direction indicators not working |1.5.1c| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear suspension component misaligned |2.4.A.1a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Offside Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Wheel corroded significantly reducing the original strength |4.2.1a| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| All direction indicators not working on tickover with the brake applied. |4.4.1 |a| |ii|| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Rear Wheel spoke excessively corroded |4.2.1b| | 1 |
| Centre Rear Wheel corroded significantly reducing the original strength |4.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| An item not tested |Manual| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Brake cable excessively corroded |3.2.A1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Plate brake test No brake control achieves an efficiency of 30%. |3.3.B2a| | 1 |
| Plate brake test Neither brake control achieves an efficiency of 25% |3.3.B2b| | 1 |
| Front Brake cable has restricted free movement |1.1.15 |e|| | 1 |
| Rear Brake cable has restricted free movement |1.1.15 |e|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Plate brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front suspension assembly component cracked |2.3.1| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |