| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 15 |
| Headlamp aim out of alignment | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 7 |
| Registration plate issues | 6 |
| Offside Rear Footrest missing (6.2.12 (a)) | 6 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Headlamp insecure (4.1.1 (c)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Stop lamp with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 2 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 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)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted CHAIN CLIP FITTED WRONG (6.1.7 (j) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Stop lamp light intensity significantly reduced not working correctly (4.3.3 (a) (ii)) | 1 |
| Front Brake caliper cracked and braking performance affected (1.1.16 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Central Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected loose (6.2.7 (a) (ii)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied toe end faulty (1.1.2 (d)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake caliper damaged and braking performance affected (1.1.16 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Brake grabbing severely badly sticking (1.2.1 (c)) | 1 |
| Nearside Front Position lamp switch insecure loose (4.2.2 (b)) | 1 |
| Offside Front Position lamp switch insecure loose (4.2.2 (b)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected THROTTLE IS NOT SAFE TO USE (6.2.7 (a) (ii)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Suspension arm pin or bush excessively worn Suspension linkage (5.3.4 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases at joint between link pipe and silencer (6.1.2 (a)) | 1 |
| Rear Riders seat missing (6.2.5 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected Bush missing (1.1.16 (c) (ii)) | 1 |
| Exhaust silencer insecure Clamp missing (8.1.1 (b) (i)) | 1 |
| Footrest missing pillion footrests not fitted (6.2.12 (a)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Offside Rear Lower Brake excessively binding Brake Binding On Roller Brake Test (1.2.1 (f)) | 1 |
| Brake excessively binding All Brakes Binding On Floor Test (1.2.1 (f)) | 1 |
| Nearside Front Lower Brake excessively binding Front Brake Binding On Roller Brake Test (1.2.1 (f)) | 1 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Upper All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Chain guard insecure (6.1.7 (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak Both (5.3.2 (b)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn Bottom linkage bearings (5.3.4 (a) (i)) | 1 |
| Rear Shock absorber has an excessively worn bush Upper and lower bushes (5.3.2 (c)) | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Central Rear Brake effort inadequate at a wheel Brakes bled (1.2.1 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Suspension rod attachment bracket/mounting insecure bolt missing on upper fork leg (5.3.3 (a) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Exhaust silencer insecure silencer mounting bracket corroded (8.1.1 (b) (i)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced rear fender loose (6.1.1 (b) (ii)) | 1 |