| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Registration plate issues | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake back plate insecure torque arm to brake plate nut loose (1.1.14 (d)) | 1 |
| Rear Brake rod insecure not mounted through barrel on arm (1.1.15 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling steering misaligned aswell (2.4 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle obscured by l plate |1.4.2b| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Suspension component attachment bracket/mounting likely to fail (5.3.3 (b) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking both side panels loose |6.1.1c| | 1 |
| Rear Brake locking device insecure rear brake control arm nut loose and split pin missing |3.2.A1e| | 1 |
| Drive chain fouling another component rubbing on stand |6.2.1d| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s no hi beam?
poor beam pattern |1.2.2b|ii|| | 1 |
| Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Lower Drive chain fouling another component chain fouling the centter stand centter stand requires repair |6.2.1d| | 1 |
| Steering headbearing has excessive free play require replacement as some may of fallen out |2.2.2| | 1 |
| Front Direction indicators affected by the operation of another lamp flash like hazards |1.5.1c| | 1 |
| Rear Brake excessively binding Sticks on (1.2.1 (f)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Brake back plate|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Rear reflector missing Coverd by l plate (4.8.2 (a) (ii)) | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |