| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 53 |
| Headlamp aim out of alignment | 16 |
| Registration plate issues | 14 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Registration plate lamp issues | 9 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 8 |
| 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)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 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 Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Shock absorber has a serious fluid leak Fork seals (5.3.2 (b)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Footrest missing Pillion footrest seized (6.2.12 (a)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Rear reflector missing reflective tape not considered acceptable (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle tube and switchgear loose and spinning on bar, brake lever hitting throttle cables (6.2.7 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced lens painted black (4.4.3 (a)) | 1 |
| Offside Front Direction indicator light intensity significantly reduced lens painted black (4.4.3 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Grip sticking on bar end (6.2.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake light switch unplugged (4.3.2 (a) (iii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Clearly marked closed course only (8.1.1 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Footrest missing Passenger footrests (6.2.12 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Offside Handlebar grip insecure to handlebar throttle twist grip switch gear (2.2.1 (d) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Central Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached Locking clip missing (6.1.7 (j) (ii)) | 1 |
| Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Footrest missing nearside & offside rear footrests missing (6.2.12 (a)) | 1 |
| Clutch lever shortened so it cannot be readily operated sharp end - dangerous (6.2.7 (b)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Motorcycle structure is fractured and structural rigidity is significantly reduced front mudguard (6.1.1 (a) (i)) | 1 |
| Offside Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Footrest missing pillion pegs removed - (6.2.12 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Silencer (8.1.1 (a)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected Bent trapping hand on full RH lock (2.2.1 (c) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Clutch lever housing broken. risk of failure (6.1.1 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy centre position (2.2.2 (f) (i)) | 1 |
| Nearside Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn not working poor connection on electrical plug (7.7 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal leaking (5.3.2 (b)) | 1 |