| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Registration plate issues | 7 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake cylinder insecurely mounted |3.2.B1a| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Hazard warning switch missing |1.4.B.1d| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Nearside Front Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Nearside Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear All position lamps have a product on the lenses or light sources which significantly reduces light intensity flashing with indicators |4.2.3 |b| |ii|| | 1 |
| Rear Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Steering column top bearing excessively worn |2.2.2 |b|| | 1 |
| Rear Inner Axle swivel joint so worn or insecure in a stub axle that directional stability is impaired u/j joint |5.1.2 |b| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Parking |secondary brake| on a single line braking system imbalanced across an axle Axle 1 |1.3.1 |b| |i|| | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Steering component is not secure to the vehicle structure handle bar grip |2.2.B.1a| | 1 |
| Position lamp switch missing |1.1.A.1| | 1 |
| Headlamp switch missing |1.7.1| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Brake pedal attachment screws missing. |3.1.2b| | 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 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|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 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Centre Rear Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Suspension attachment bracket/mounting insecure R/h spindle securing bolt missing. |5.3.3 |a| |i|| | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative Rear lower shock mounting bolts had pannier brackets mounted to them. |5.3.3 |c| |ii|| | 1 |
| Offside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Handlebar deformed + misaligned |9.2.1c| | 1 |
| Fork yoke deformed + misaligned |9.2.1c| | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Fuel tank leaking |7.2.1a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Handlebar mounting clamp bolt loose |9.2.1c| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Rear Suspension arm modified and seriously weakened |2.4.A.2| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Stop lamp not working |1.2.1b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front Sidecar direction indicator not working |1.5.1c| | 1 |
| Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Stop lamp not working on foot pedal |4.3.1 |a| |ii|| | 1 |
| All direction indicators missing for the year |4.4.1 |a| |ii|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working Rear brake control (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Suspension attachment bracket/mounting insecure shock absorber nut loose (5.3.3 (a) (i)) | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls only works on rear brake (4.3.2 (a) (iii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |