| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 6 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 6 |
| Indicator tell tale not functioning |1.5.2| | 5 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 5 |
| Front suspension has inadequate damping effect. |2.3.6c| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Brake hose fouling |3.2.B3b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Fuel pipe leaking |7.2.1a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Front Brake component is fractured |3.1.5| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Rear Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Front Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Indicator switch insecure |1.5.4| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Centre Upper Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Front suspension has severe distortion of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Upper Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Lower Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Front Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 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 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Steering damper ineffective |2.1.2d| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Front An item not tested |Manual| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Headlamp aim headlamp deteriorated and function impaired No pattern |1.2.3a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |