| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 49 |
| Headlamp aim out of alignment | 33 |
| Registration plate issues | 27 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 10 |
| Registration plate lamp issues | 10 |
| Front Brake excessively binding (1.2.1 (f)) | 9 |
| 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)) | 9 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 8 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 3 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Brake fluid contaminated (1.8 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock Right hand lock (2.1.4 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Brake lever has restricted free movement fouls handle bar not allowing full deployment. (1.1.15 (e)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Central Rear Exhaust system insecure EXHAUST MOUNTING BRACKETS NOT ATTACHED (6.1.2 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Rear Stop lamp switch with a delay in operation rear brake stop lamp adjusted to operate earlier (4.3.2 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Headlamp aim not tested main beam (4.1.2 (b)) | 1 |
| Nearside Rear Footrest missing pillion (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing pillion (6.2.12 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Engine mounting/bracket fractured Engine mount bolt snapped (6.1.8 (a) (ii)) | 1 |
| Central Front Inner Horn not working (7.7 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar LEFT HAND (2.2.1 (d) (ii)) | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear reflector missing rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Rear reflector missing fitted new one (4.8.2 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock fowling on fuel tank on left hand lock (2.1.4 (b)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Brake hose damaged | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp switch with a delay in operation foot brake switch (4.3.2 (a) (ii)) | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition standard exhaust fitted (8.1.1 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking (6.2.7 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Wheel spindle locking device ineffective Spindle bolts loose both sides (5.2.1 (d)) | 1 |
| Front Brake lever insecure Lever pivot loose. Locking nut missing (1.1.2 (e) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Nearside Rear Footrest insecure securing bolt missing from nsr footpeg hanger. (6.2.12 (a)) | 1 |
| Footrest missing Both rear footrest both missing. (6.2.12 (a)) | 1 |
| Wheel bearing has excessive play rear wheel bearings excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Front Lower Horn not working no horn (7.7 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak N/S and O/S (5.3.2 (b)) | 1 |
| Central Rear Inner Suspension arm ball joint excessively worn swinging arm loos (5.3.4 (a) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Rear Brake reaction bracket excessively corroded (1.1.15 (b)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Lower Headlamp aim so that beam "kick up" is not visible on the screen spot light acting as high beam but illuminates with dipped beam (4.1.2 (a)) | 1 |
| Offside Lower Headlamp aim so that beam "kick up" is not visible on the screen spot light acting as high beam but illuminates with dipped beam (4.1.2 (a)) | 1 |
| Headlamp not working on main beam intermittent & flashes on & off with direction indicators! (4.1.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected heated grip fowling tank on full steering lock,not returning to idle (6.2.7 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 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 |