| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Registration plate issues | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Nearside Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. swing arm |2.4.A.2d| | 1 |
| Rear Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Throttle operating incorrectly sticking on left lock (6.2.7 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Motorcycle structure has excessive corrosion which adversely affects braking or steering SWINGING ARM |6.1.1 |c| |ii|| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp aim not tested |4.1.2 |b|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Offside Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Centre Lower Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. suspension arm |swing arm| |2.4.A.2d| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Brake component insecure rear caliper slide bolt insecure |1.1.21 |c|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Lower Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake |1.3.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |