| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Registration plate issues | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Offside Rear Footrest missing |6.2.1a| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Nearside Rear Footrest missing |6.2.1a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Horn not working |1.7.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Footrest missing |6.2.1a| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride tank/storage |6.2.1h| | 1 |
| Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front suspension assembly component excessively bent |2.3.1| | 1 |
| Offside Front suspension assembly component excessively bent |2.3.1| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| 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 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls R/H bar bent, traps hand between tank and bar on full lock. |2.1.2b| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Direction indicator adversely affected by the operation of another lamp rear winkers affected by tail light |4.4.3 |b|| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Stop lamp remains on when the brake is released Front brake |1.3.1e| | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Wheel fixing missing (single fixing) axle pinch bolt missing (5.2.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber insecurely attached top yoke pinch bolt missing (5.3.2 (a) (i)) | 1 |
| Offside Front Shock absorber insecurely attached top yoke pinch bolt missing (5.3.2 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |