| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Horn not working |1.7.3a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector on motorcycle obscured |1.4.1| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Fuel system component leaking excessively or a risk of fire fuel tap leaking (6.1.3 (b) (ii)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Central Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear shock absorber has inadequate damping effect. excessive bounce |2.4.A.3b| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Rear Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Outer Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |