| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 70 |
| Headlamp aim out of alignment | 47 |
| Registration plate issues | 45 |
| Registration plate lamp issues | 37 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 10 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 7 |
| 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)) | 6 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Horn not working (7.7 (a)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Nearside Front Brake excessively binding pads and caliper pistons seized (1.2.1 (f)) | 1 |
| Offside Front Brake excessively binding pads seized in caliper and caliper pistons (1.2.1 (f)) | 1 |
| Offside Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced rear subframe extremely loose (6.1.1 (b) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Nearside Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Offside Front Lower Shock absorber has a serious fluid leak front fork leaking oil (5.3.2 (b)) | 1 |
| Offside Handlebar fractured to the extent that detachment is likely (2.2.1 (c) (ii)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle holds on full lock (6.2.7 (a) (ii)) | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied Front brake lever hitting heated grip (1.1.2 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Revs stick on right hand lock (6.2.7 (a) (ii)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake component insecure Front brake fluid reservoir bolt loose. (1.1.21 (c)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Offside Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working on control 1 and control 2 (4.3.1 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Fuel cap ineffective lock seized-unable to open for inspection (6.1.3 (b) (i)) | 1 |
| Offside Front Upper Stop lamp not working front brake light switch sticking and not illuminating when front brake applied, cleaned and lubricated as just stiff (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc insecure (1.1.14 (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 (8.1.1 (a)) | 1 |
| Offside Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Wheel spindle locking device ineffective both sides wheel adjuster locking nut insecure (5.2.1 (d)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Central Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned built into rear lamp (4.4.3 (a)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Direction indicator not working Left hand rear (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working Control 2 (footbrake) (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned both. (4.4.3 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake performance not tested noise from front wheel area - unable to determine cause but not willing to carry out full brake performance test (1.2.1 (g)) | 1 |
| Rear All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Shock absorber insecurely attached near side fork misalianed (5.3.2 (a) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp integrated tail light (4.4.3 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Heated grip (6.2.7 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Horn not working poor conection (7.7 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail Chain is seized and kinked (6.1.7 (k) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake switch (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Handlebar mounting insecure incorrectly fitted (2.2.1 (a) (i)) | 1 |