| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 11 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 10 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 9 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 7 |
| Throttle operating incorrectly |6.2.1f| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate lamp issues | 3 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Registration plate issues | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Nearside Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Offside Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Nearside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Lower Rear suspension has severe distortion of a load bearing member or its supporting structure. Rear suspension units are bent and not allowing damping opperation |2.4.A.2d| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play Engine Mounting |2.4.A2a|i|| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Rear suspension component excessively bent |2.4.A.1a| | 1 |
| Front Roller brake test indicates a binding brake unable to check condition of wheel bearing satisfactory |3.3.A1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Position lamp switch faulty |1.1.4a| | 1 |
| Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on number plate light |1.1.3a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Upper Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Horn sound not in accordance with requirements sqeaky horn (7.7 (c)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork leg (5.3.2 (b)) | 1 |
| Front Horn not working sticky horn button (7.7 (a) (ii)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Stop lamp not working front brake light does not work (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |