| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate issues | 4 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Offside Front Direction indicator insecure |1.5.3b| | 2 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Nearside Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Fork yoke deformed |2.1.1b| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake pipe union leaking fluid |3.2.B4| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Centre Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Centre Front Lower Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Nearside Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Offside Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Offside Front suspension assembly component cracked |2.3.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Offside Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Offside Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Nearside Headlamp reflector seriously defective Beam image scattered |4.1.1 |b| |ii|| | 1 |
| Offside Headlamp reflector seriously defective Beam image scattered |4.1.1 |b| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |