| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Headlamp aim out of alignment | 10 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Headlamp aim headlamp deteriorated and function impaired beam pattern |1.2.3a| | 1 |
| Offside Headlamp aim headlamp deteriorated and function impaired beam pattern |1.2.3a| | 1 |
| Front suspension assembly component excessively bent wheel hits body work |2.3.1| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake hose damaged | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Registration plate issues | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Fairings insecure and likely to impede the steering mudgaurd missing |2.1.2e| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Centre Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on TAIL LAMP NOT WORKING |1.1.3a| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Lower Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Central Rear Upper Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced |6.1.1 |b| |ii|| | 1 |
| Nearside Front Upper Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Front Upper Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Nearside Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Upper Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Nearside Rear Upper Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front Headlamp switch faulty |1.2.4| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Headlamp aim not tested light not bright to get a good beam (4.1.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Riders seat insecure seat lock not working (6.2.5 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam turns off when reved (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam turns off when reved (4.1.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |