| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 26 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 22 |
| Registration plate issues | 21 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 17 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 12 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 11 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Front wheel bearings are excessively rough |2.3.5b| | 6 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 6 |
| Horn not working |1.7.3a| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front Steering headbearing has excessive free play |2.2.2| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| An item not tested |Manual| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Lower Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Exhaust mounting missing |7.1.1c| | 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 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake lever attachment screws missing |3.1.2b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Nearside Front Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake drum|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 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 Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Throttle operating incorrectly right lock throttle sticks. |6.2.1f| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Centre Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Upper Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Brake lever pivots excessively worn |3.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Rear Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 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 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Brake lever pivots excessively worn |3.1.3a| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Horn emits 2 or more alternating tones |1.7.3b| | 1 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Central Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Central Front Headlamp insecure (4.1.1 (c)) | 1 |