| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 73 |
| Rear reflector missing (4.8.2 (a) (ii)) | 20 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 8 |
| Registration plate issues | 7 |
| Stop lamp remains on when the brakes are released | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Registration plate lamp issues | 2 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Brake indicates excessive fluctuation of brake effort front (1.2.1 (e)) | 1 |
| Brake excessively binding front (1.2.1 (f)) | 1 |
| Brake excessively binding Front Brake (1.2.1 (f)) | 1 |
| Brake master cylinder reservoir cap missing Rear Master Cylinder cap missing (1.1.10 (e)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail MAJOR TIGHT SPOT (6.1.7 (c) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Rear Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen no pattern (4.1.2 (a)) | 1 |
| Nearside Front Motorcycle structure joining/attachment plate or fastening insecure Mirror loose (6.1.1 (b) (i)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Central Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake disc contaminated Contaminated with Fork Oil (1.1.14 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake pedal anti-slip provision loose (1.1.2 (c)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Central Front Lower Horn not working horn does not work (7.7 (a) (ii)) | 1 |
| Central Rear Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| 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 |
| Shock absorber insecurely attached REAR SHOCK LINK NUT LOOSE (5.3.2 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake lever insecure lock nut missing front lever (1.1.2 (e) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Rear Wheel spindle locking device ineffective chain adjuster locking nut loose (5.2.1 (d)) | 1 |
| Throttle operating incorrectly Throttle binding on return (6.2.7 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy Head race bearings stiff and a notch in the centre. (2.2.2 (f) (i)) | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases Major leak between front pipe and rear pipe. (6.1.2 (a)) | 1 |
| Exhaust silencer insecure Rear silencer mount to front pipe is missing. Front pipe has corroded away. (8.1.1 (b) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort contaminated with oil (1.2.1 (e)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock both ways (2.1.4 (b)) | 1 |
| Central Front Lower Horn not working horn replaced (7.7 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort 7 Squares (1.2.1 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect LED Bulbs (4.1.2 (c)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |