| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Headlamp aim beam image kick up to the offside |1.6| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Horn not working |1.7.3a| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Brake lever mounting insecure |3.1.2a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Nearside Brake lever insecure |3.1.2a| | 2 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 2 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Registration plate issues | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Rear Brake hose excessively twisted |3.2.B3a| | 1 |
| Rear Brake cable badly frayed |3.2.A1b| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Offside Rear Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Centre Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Central Front Lower Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Lower Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Drive belt excessively loose. |6.2.1d| | 1 |
| Front Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Offside Direction indicator insecure |1.5.3b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear operated |1.3.1a| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Inner Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Inner Front Upper Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Exhaust is leaking and excessively noisey silencer |7.1.1b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp incorrect colour blue (4.1.4 (a)) | 1 |
| Nearside Brake lever insecure bolt loose (1.1.2 (e) (i)) | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear An item not tested |Manual| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect Not UK Headlamp (4.1.2 (c)) | 1 |
| 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| | 1 |
| Rear Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Position lamp not working side light |4.2.1 |a|| | 1 |
| Nearside Rear Upper Suspension attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Nearside Brake lever attachment screws loose |3.1.2b| | 1 |
| Nearside Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Handlebar mounting insecure loose (2.2.1 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play loose (2.2.2 (f) (i)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake master cylinder severely damaged |3.2.B1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Valve stem seriously damaged perished |5.2.3 |j|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking engine insecure |6.1.1c| | 1 |
| Motorcycle structure excessively distorted front forks misaligned |6.1.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Indicator switch defective |1.5.4| | 1 |
| Rear Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |