| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Horn not working |1.7.3a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp aim out of alignment | 4 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 4 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 3 |
| Registration plate issues | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 2 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Front Brake component inadequately mounted Loose nut on brake arm (1.1.21 (c)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Fairings so located that it is likely to impede the steering FOULING TANK |2.1.2e| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Indicator switch defective |1.5.4| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Wheel fixing missing (single fixing) split pin missing spindle (5.2.1 (a) (ii)) | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Nearside Front Front suspension assembly component loose |2.3.1| | 1 |
| Offside Front Front suspension assembly component loose |2.3.1| | 1 |
| Centre Front Front suspension assembly component loose |2.3.1| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp insecure |1.3.3b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |