| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 21 |
| Registration plate issues | 13 |
| Headlamp aim out of alignment | 12 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake pipe excessively damaged |3.2.B2a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Direction indicator missing |1.5.1a| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Centre Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear suspension bearing has excessive free play swingarm |2.4.A2a|i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Suspension component pin or bush excessively worn swingarm bush (5.3.4 (a) (i)) | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working when front brake applied (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle not settling to idle when on full right hand lock
revs also affected by moving throttle cable (6.2.7 (a) (ii)) | 1 |
| Front shock absorber seal failed and leaking oil both forks |2.3.3| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Chain link joiner incorrectly fitted |6.2.1h| | 1 |
| Stop lamp does not illuminate immediately a brake applies Not working from front brake lever |1.3.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Chain joining link not correctly fitted. |6.2.1h| | 1 |