| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 23 |
| Registration plate lamp issues | 13 |
| Headlamp aim out of alignment | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 9 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Registration plate issues | 7 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| 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)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Lower Footrest insecure (6.2.12 (a)) | 1 |
| Rear reflector missing reflector hidden by L plate. (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Wheel hub excessively worn Bearing (5.2.1 (b) (i)) | 1 |
| Nearside Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Brake lagging in operation Suspect air in system. (1.2.1 (d)) | 1 |
| Brake hose damaged | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering headbearing has excessive wear or free play knocks when hitting the front brakes (2.2.2 (f) (i)) | 1 |
| Headlamp insecure fitted 2 screws holding fairing and fitted 1 bottom bolt as it was affecting headlamp beam aim being insecure (4.1.1 (c)) | 1 |
| Handlebar excessively deformed handlebars are dropped down to the left bent or twisted (2.2.1 (c) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake has no recorded effort at a wheel Rear brake control shows no effort to front wheel brake - combined system (1.2.1 (a) (ii)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Stop lamp not operating from front brake lever. (4.3.2 (a) (iii)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working On front brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected grip loose and worn out. (6.2.7 (a) (ii)) | 1 |
| Front Footrest insecure both front footrests (6.2.12 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Stop lamp not working (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 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Brake lever excessively worn Brake lever snapped (1.1.15 (b)) | 1 |
| Central Steering headbearing excessively stiff or notchy notch when on road wheel (2.2.2 (f) (i)) | 1 |
| Rear Brake pedal is so short that the brake cannot be readily applied (1.1.2 (d)) | 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 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Suspension component pin or bush likely to become detached rear suspension linkage (5.3.4 (a) (ii)) | 1 |
| Upper Fork yoke insecure nut loose (2.2.2 (d) (i)) | 1 |
| Steering headbearing has excessive wear or free play free play (2.2.2 (f) (i)) | 1 |
| Exhaust silencer insecure Also making contact with rear brake caliper when suspension under load (8.1.1 (b) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear reflector missing obstructed. (4.8.2 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |