| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 11 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 9 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 8 |
| Registration plate issues | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Brake disc|s| insecure |3.2.A1g| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Horn not working |1.7.3a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Nearside Brake disc|s| insecure |3.2.A1g| | 1 |
| Offside Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Stop lamp not working on rear brake |4.3.1 |a| |ii|| | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Brake disc|s| excessively worn mounting rivets excessive wear |3.2.A1l| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Offside Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Brake lever has inadequate reserve travel front brake |3.1.3b| | 1 |
| Brake pedal has inadequate reserve travel rear brake |3.1.3b| | 1 |
| Throttle operating incorrectly Does not return fully to closed position |6.2.1f| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Direction indicator not working both |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Centre Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Centre Front Lower Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Registration plate lamp issues | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |