| Most common failures | No# failures |
|---|
| Registration plate issues | 88 |
| Headlamp aim out of alignment | 47 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 24 |
| Rear reflector on motorcycle missing |1.4.1| | 23 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 20 |
| Offside Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 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 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Registration plate lamp issues | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake pipe excessively corroded | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Horn not working |1.7.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Direction indicator obscured |1.5.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Drive belt excessively loose. |6.2.1d| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Footrest insecure OSR floor board bolt has snapped (6.2.12 (a)) | 1 |
| Wheel spoke excessively loose 6 spokes in rear wheel loose (5.2.2 (d)) | 1 |
| Shock absorber has a serious fluid leak Right rear shock absorber has oil coating on it. (5.3.2 (b)) | 1 |
| Brake indicates excessive fluctuation of brake effort Front wheel (1.2.1 (e)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Centre Front Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Inner Front Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 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 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 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 |
| Front Position lamp not working bulb changed |4.2.1 |a|| | 1 |
| All direction indicators incorrect colour gone white (4.4.3 (a)) | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake master cylinder has a seized master cylinder pivot. |3.2.B5| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition (7.1.2) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Rear Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Drive belt pulley excessively loose (6.1.7 (c) (i)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Headlamp insecure |4.1.1 |c|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working front brake switch inoperative (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar mounting excessively deteriorated |flexible type| excess play |2.1.1d| | 1 |