| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 42 |
| Registration plate issues | 38 |
| Rear reflector on motorcycle missing |1.4.1| | 27 |
| Rear reflector missing (4.8.2 (a) (ii)) | 24 |
| Rear reflector missing |4.8.2 |a| |ii|| | 15 |
| Registration plate lamp issues | 13 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| 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)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Horn control not functioning. |1.7.2b| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Drive chain worn to excess |6.2.1e| | 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 |
| Horn not working |1.7.3a| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Direction indicator incorrect colour Offside and nearside (4.4.3 (a)) | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Offside Rear Lower Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel Span adjuster missing. |1.1.2 |a|| | 1 |
| Rear reflector on motorcycle missing Replaced missing reflector |1.4.1| | 1 |
| Rear Brake cylinder insecure |1.1.16 |c| |i|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffle refitted. (8.1.1 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Direction indicator not working all (4.4.1 (a) (ii)) | 1 |
| Rear Suspension rod modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (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 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear All direction indicators obviously incorrectly positioned Not Spaced at 240mm apart. |4.4.3 |a|| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Brake lever attachment screws loose |3.1.2b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake fluid contaminated |1.8 |a|| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Offside Rear Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected wheel alignment adjuster loose |5.2.1 |c| |ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect shocker linkage siezed (5.3.2 (b)) | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Heated grip is insecure (6.2.7 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Stop lamp not working brake pedal (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly sticking open |6.2.1f| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |