| Most common failures | No# failures |
|---|
| Registration plate issues | 47 |
| Headlamp aim out of alignment | 27 |
| Rear reflector on motorcycle missing |1.4.1| | 21 |
| 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| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 6 |
| Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| 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 Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Vehicle identification number not legible (0.2 (b)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Registration plate lamp issues | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort 30kgs |3.3.A1d| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake disc|s| insecure |3.2.A1g| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp not working blown bulb (replaced) (4.3.1 (a) (ii)) | 1 |
| Front Brake lever insecure complete assembly loose due to missing bolt |3.1.2a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front position lamp missing no side lamp fitted in head lamp |1.1.1a| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Indicator tell tale not operating correctly |1.5.2| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Riders seat insecure |6.2.1a| | 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 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected cables siezed (6.2.7 (a) (ii)) | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake |1.3.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Front Footrest insecure footboard rubber (6.2.12 (a)) | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| 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| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Nearside Front Forks modification unsafe sharp edge at lower spindle |2.2.2 |e|| | 1 |
| Offside Front Lower Forks modification unsafe sharp edge at spindle |2.2.2 |e|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Throttle operating incorrectly Throttle had no auto return on full lock (6.2.7 (a) (i)) | 1 |