| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Registration plate issues | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel system component insecure Fuel Tank Insecure |7.2.1b| | 1 |
| Horn emits 2 or more alternating tones |1.7.3b| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Throttle operating incorrectly throttle sticking |6.2.1f| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front suspension assembly component loose Top yoke nut undone |2.3.1| | 1 |
| Front suspension assembly component loose Top yoke clamp undone |2.3.1| | 1 |
| Rear suspension component loose Rear Shock absorber nut undone |2.4.A.1a| | 1 |
| Brake locking device missing rear brake linkage securing device missing |3.2.A1e| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front and rear with lights on |1.3.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Rear Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Throttle operating incorrectly cable over adjusted to compensate for poor idling |6.2.7 |a| |i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play Excess play (2.2.2 (f) (i)) | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Central Rear Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Rear Inner Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Suspension component pin or bush excessively worn awing arm bearings (5.3.4 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Wheel spoke excessively loose Two loose spokes (5.2.2 (d)) | 1 |
| Central Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |