| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate issues | 4 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride adjuster bolt loose |6.2.1h| | 1 |
| Offside Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Drive chain fouling another component |6.2.1d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Front Brake component leaking fluid |3.2.B4| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Indicator switch defective |1.5.4| | 1 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride split pin missing rear wheel spindle |6.2.1h| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Front Brake performance not tested |1.2.1 |g|| | 1 |
| Rear Brake performance not tested |1.2.1 |g|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 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 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Centre Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp not working BOTH FRONT AND REAR (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |