| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Headlamp aim beam image kick up to the offside |1.6| | 18 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Registration plate issues | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Drive chain excessively tight |6.2.1d| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Headlamp aim beam image kick up to the offside both lamps taped |1.6| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Direction indicators flashing more than 120 times per minute all indicators |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Offside Front Upper Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Front Lower Fairings insecure and likely to impede the steering Mudguard not secure |2.1.2e| | 1 |
| Offside Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Upper Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front All position lamps do 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 |
| Brake component leaking fluid |3.2.B4| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Horn missing |1.7.1| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 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 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Drive chain excessively tight links seized |6.1.7 |k| |i|| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Rear position lamp missing |1.1.1a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp affected by the operation of another lamp not brighter than the tail light |1.3.2| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Brake pedal mounting insecure |3.1.2a| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Nearside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Offside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp not working Control 2 foot brake |4.3.1 |a| |ii|| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Offside Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working not working when front brake is applied (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 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 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel lever reaches handlebar (1.1.2 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |