| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Registration plate issues | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| 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 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Nearside Front Footrest insecure |6.2.1a| | 3 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Centre Rear Lower Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Steering lock stop missing |2.1.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp switch insecure |1.2.4| | 2 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Upper Front suspension assembly component loose |2.3.1| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Horn missing |1.7.1| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Rear Brake pipe excessively chafed |3.2.B2a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake pipe excessively damaged |3.2.B2a| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 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 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |