| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Horn not working |1.7.3a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Rear shock absorber has inadequate damping effect. both sides |2.4.A.3b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Front Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Rear Upper Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Rear Rear suspension has an inadequate repair of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Handlebar mounting clamp bolt missing |2.1.1a| | 1 |
| Rear Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Built up wheel has a bolt/s missing |4.2.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake back plate|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Throttle operating incorrectly does not return automatically |6.2.7 |a| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revs increase with steering on lock |6.2.7 |a| |ii|| | 1 |
| Rear Wheel fixing missing |single fixing| axle nut locking device |5.2.1 |a| |ii|| | 1 |
| Rear Brake rod insecure drum tie rod securing nut locking device missing |1.1.15 |c|| | 1 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Exhaust mounting missing |7.1.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |