| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Indicator switch insecure |1.5.4| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Position lamp switch insecure |1.1.4b| | 2 |
| Rear Front mudguard insecure |2.3.7| | 2 |
| Nearside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| 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| | 2 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Rear Brake clevis joint insecure (1.1.15 (c)) | 1 |
| Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Brake performance not tested |3.3| | 1 |
| Plate brake test No brake control achieves an efficiency of 30%. |3.3.B2a| | 1 |
| Plate brake test Neither brake control achieves an efficiency of 25% |3.3.B2b| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Centre Front Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Shock absorber has a serious fluid leak both front shockers |5.3.2 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake lever has insufficient reserve travel rear brake arm (1.1.2 (a)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Registration plate issues | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake locking device missing front pad retaining pin clip |3.2.A1e| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |