| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Horn not working |1.7.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Registration plate issues | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear suspension component loose |2.4.A.1a| | 2 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Rear suspension has an inadequate repair of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Nearside Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Brake locking device missing |3.2.A1e| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Rear reflector on motorcycle incorrectly positioned x4 |1.4.2d| | 1 |
| Offside Rear Rear spring fractured |2.4.A1b|i|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Brake performance not tested |3.3| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Lower Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |