| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Registration plate issues | 20 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| 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| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp aim beam image too far to the right |1.6.4| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Registration plate lamp issues | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Throttle operating incorrectly Throttle not closing down correctly. |6.2.1f| | 1 |
| Throttle operating incorrectly Grips loose |6.2.1f| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicators not working rear n/s and o/s indicators extremely faint light emitted |1.5.1c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Centre Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Nearside Steering lock stop maladjusted |2.1.3| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Outer Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Rear reflector on motorcycle missing replaced |1.4.1| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake control 1 (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear All position lamps not working tail light not working bulb replaced (4.2.1 (a)) | 1 |