| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Registration plate issues | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Indicator tell tale not operating correctly |1.5.2| | 2 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Brake pipe excessively corroded | 2 |
| Rear Fuel system component leaking |7.2.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake hose fouling |3.2.B3b| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Offside Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pedal cracked |3.1.2c| | 1 |
| Brake component is excessively corroded |3.1.5| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Fuel hose leaking |7.2.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |