| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Headlamp aim out of alignment | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Nearside Front Front suspension assembly component excessively corroded. |2.3.1| | 2 |
| Offside Front Front suspension assembly component excessively corroded. |2.3.1| | 2 |
| Brake hose excessively deteriorated | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Rear suspension bush has excessive free play engine munts / suspension |2.4.A2a|i|| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Upper Suspension rod pin or bush excessively worn shocker bush (5.3.4 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 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 |
| Nearside Front Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Offside Front Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Registration plate issues | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Motorcycle structure excessively damaged side stand broken off leaving a large hole in frame |6.1.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake light inop |1.3.1a| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 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 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Brake master cylinder severely damaged |3.2.B1b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Offside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front shock absorber seal failed and leaking oil both front |2.3.3| | 1 |
| Rear Brake component has an inadequate repair calliper insecure |3.1.5| | 1 |
| Nearside Front Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working when rear brake is applied (4.3.1 (a) (ii)) | 1 |
| Offside Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired too dull to carry out beam test |1.2.3a| | 1 |
| Rear position lamp deteriorated and function impaired very dull |1.1.1b| | 1 |
| Front Brake lever attachment screws loose lever pivot nut loose |3.1.2b| | 1 |
| Rear Brake lever attachment screws missing lever pivot nut missing |3.1.2b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Brake fluid reservoir severely corroded fluid level glass deteriated |3.2.B1b| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Rear tail unit and number plate (6.1.1 (b) (i)) | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |