| Most common failures | No# failures |
|---|
| Rear wheel bearings have excessive free play |2.4.A.2c| | 8 |
| Headlamp aim out of alignment | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear reflector on motorcycle obscured |1.4.2b| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Horn not working |1.7.3a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Clutch lever bent so it cannot be readily operated. |6.2.1g| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 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 |
| Brake master cylinder has an excessively worn master cylinder pivot. Rear brake lever has excessive travel |3.2.B5| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake lever is inoperative |3.1.3c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Registration plate issues | 1 |
| Rear Upper Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake component is severely distorted |3.1.5| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride split link clip |6.2.1h| | 1 |
| Drive chain fouling another component hitting shock bolt |6.2.1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Handlebar handgrip not secure to handlebars. l/hand |2.1.1c| | 1 |
| Indicator switch insecure l/h switchgear loose |1.5.4| | 1 |
| Floor brake test indicates a binding brake rear |3.3.C2c| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Position lamp switch insecure (4.2.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Rear Brake clevis joint insecure (1.1.15 (c)) | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected thottle sticking open (6.2.7 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |