| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 14 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 11 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Front suspension has inadequate damping effect. |2.3.6c| | 4 |
| Registration plate issues | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Indicator tell tale not operating correctly |1.5.2| | 2 |
| Rear Direction indicators not working |1.5.1c| | 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 |
| Nearside Indicator tell tale not functioning |1.5.2| | 2 |
| Fuel cap sealing washer missing |7.2.2c| | 2 |
| Stop lamp emits other than a steady red light |1.3.1b| | 2 |
| Rear wheel insecure |4.2.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Offside Indicator tell tale not functioning |1.5.2| | 2 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Nearside Rear position lamp incorrect colour |1.1.2b| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear An item not tested |Manual| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Centre Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Centre Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Central Front Front position lamp does not illuminate immediately when switched on Fit New Bulb PRS |1.1.3a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| An item not tested |Manual| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Steering linkage has excessive free play |2.2.2| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Indicator tell tale not operating correctly |1.5.2| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Centre Exhaust mounting missing |7.1.1c| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Nearside Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear reflector on motorcycle dirty and function impaired |1.4.2a| | 1 |
| Front Brake pipe excessively chafed |3.2.B2a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Offside Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front suspension spring worn and seriously weakened |2.3.2b| | 1 |
| Rear spring worn and seriously weakened |2.4A1b|ii|| | 1 |
| Offside Rear Direction indicator obscured |1.5.1a| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 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 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Brake hose damaged | 1 |
| Steering movement excessively notchy with the wheel raised (2.2.1b) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases back box. (6.1.2 (a)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |