| Most common failures | No# failures |
|---|
| Drive chain excessively loose (6.1.7 (c) (i)) | 19 |
| Headlamp aim out of alignment | 17 |
| Front Brake excessively binding (1.2.1 (f)) | 13 |
| Registration plate lamp issues | 9 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 8 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Rear Brake excessively binding (1.2.1 (f)) | 8 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| 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 |
| Registration plate issues | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (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 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Nearside Drive chain so loose it is likely to fail very loose & worn, lifts off sprocket by more than a link (6.1.7 (c) (ii)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected on full lock throttle does not return to tickover, it keeps revving (6.2.7 (a) (ii)) | 1 |
| Nearside Drive chain worn to excess worn, tight spots, lifts off sprocket (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative REAR SHOCK LINKAGES ARE SEIZED (5.3.3 (c) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Central Rear Suspension rod modified so the suspension is inoperative Suspension link bearings siezed (5.3.3 (c) (ii)) | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Drive chain so worn it is likely to fail chain twisted (6.1.7 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls no operation of stop light by rear brake control 2 (4.3.2 (a) (iii)) | 1 |
| Footrest insecure riders near side, one side of hinge broken off footrest (6.2.12 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Shock absorber has negligible damping effect Rear suspension not moving when compressed (5.3.2 (b)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Central Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 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 |
| Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Brake performance unable to be tested rear pads on metal (1.2.1 (g)) | 1 |
| Rear Wheel fixing loose (single fixing) REAR WHEEL NUT. (5.2.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticks open on left hand lock (6.2.7 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock By brake hose (2.1.4 (a)) | 1 |
| Nearside All direction indicators not working not flashing (4.4.1 (a) (ii)) | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Offside Rear Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort Front brake disc warped to the point of severe brake grab (1.2.1 (e)) | 1 |
| Lower Suspension rod ball joint excessively worn Play lower suspension rod joint (5.3.4 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Not working on rear control (4.3.2 (a) (iii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative Rear Suspension Seized (5.3.3 (c) (ii)) | 1 |
| Front Footrest insecure Rider footrest rubber mounts excessively worn (6.2.12 (a)) | 1 |
| Rear Stop lamp not working Brake light not working from rear brake. (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Throttle does not return to idle when released when on left lock. (6.2.7 (a) (i)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Shock absorber has negligible damping effect Suspension rigid/seized (5.3.2 (b)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Footrest insecure Bracket mounts have excessive free play (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure Bracket mounts have excessive free play (6.2.12 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Lower Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |