| Most common failures | No# failures |
|---|
| Headlamp aim beam image kick up to the offside |1.6| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Registration plate issues | 6 |
| Headlamp aim out of alignment | 5 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease both discs |3.2.A1k| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp at least one does not illuminate on main beam main beam not working |1.2.2a|ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Steering lock stop missing |2.1.3| | 1 |
| Nearside Front Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Front Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Offside Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Throttle operating incorrectly Doesn`t Return Correctly |6.2.1f| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up rear wheel bearing excess play (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Direction indicator obviously incorrectly positioned too close together(fitted in rear light assembly) minimum 180mm (4.4.3 (a)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |