| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 40 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 23 |
| Registration plate issues | 21 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 18 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 17 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 13 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Registration plate lamp issues | 12 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 12 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 11 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 11 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Drive chain excessively loose |6.2.1d| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Front wheel bearings are excessively rough |2.3.5b| | 6 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Horn not working |1.7.3a| | 6 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 6 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 5 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Front 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 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Front Front mudguard insecure |2.3.7| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Fuel system component insecure |7.2.1b| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| 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|| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Exhaust mounting missing |7.1.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Fuel hose leaking |7.2.1a| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Exhaust mounting missing |7.1.1c| | 2 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 2 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |