| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 53 |
| Registration plate issues | 51 |
| Headlamp aim out of alignment | 20 |
| Registration plate lamp issues | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| 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| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain fouling another component |6.2.1d| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 2 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Front Headlamp insecure |1.2.3b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Central Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Offside Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Rear Stop lamp lens defective such that the emitted light is adversely affected Half taken away when indicators on |4.3.1 |b| |ii|| | 1 |
| Direction indicator affected by the operation of another lamp affected with tail lamp.
Originals fitted to rectify |1.5.1c| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Wheel fixing missing |single fixing| |5.2.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working Front lever |4.3.1 |a| |ii|| | 1 |
| Motorcycle structure is deformed and structural rigidity is significantly reduced Front fairing insecure |6.1.1 |a| |i|| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Brake pedal is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Central Rear Stop lamp not working rear brake stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working front |4.3.1 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly throttle sticking on full right lock |6.2.1f| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Rear 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| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Stop lamp with a multiple light source more than 1/2 not functioning |4.3.1 |a| |ii|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear switch faulty |1.3.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Drive chain so loose it is likely to fail chain adjusters |6.1.7 |c| |ii|| | 1 |
| Rear Steering linkage locking device missing wheel split pin |2.1.3 |d|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned gap rear indicators (indicators in with rear brake light) (4.4.3 (a)) | 1 |
| Offside Steering linkage locking device ineffective steering damper hit phone mount (2.1.3 (d)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear All direction indicators obviously incorrectly positioned too close together (4.4.3 (a)) | 1 |
| Nearside Engine mounting/bracket missing ENGINE BOLT MISSING (6.1.8 (a) (ii)) | 1 |
| Offside Engine mounting/bracket bracket missing ENGINE BOLT MISSING (6.1.8 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Offside Front Engine mounting/bracket missing BOLT MISSING (6.1.8 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering damper insecure (2.1.4 (d) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Not wprking on front brake (4.3.2 (a) (iii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure Axle nut loose and no split pin fitted (6.1.1 (b) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension arm damaged and seriously weakened (5.3.3 (b) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear Suspension component attachment bracket/mounting corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Brake performance not tested due to wheel alignment (1.2.1 (g)) | 1 |
| Rear Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |