| Most common failures | No# failures |
|---|
| Registration plate issues | 107 |
| Headlamp aim out of alignment | 64 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 25 |
| 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| | 19 |
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock |2.1.4 |a|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside 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 |
| 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| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Registration plate lamp issues | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp not working Front brake light switch failed (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Direction indicator missing both |1.5.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort (3.3.A1d) | 1 |
| Brake component is severely distorted (3.1.5) | 1 |
| Drive belt excessively loose |6.1.7 |c| |i|| | 1 |
| Direction indicator not working OSR |4.4.1 |a| |ii|| | 1 |
| Brake disc significantly and obviously worn Front disc warped |1.1.14 |a| |i|| | 1 |
| Brake indicates excessive fluctuation of brake effort Front brake |1.2.1 |e|| | 1 |
| Horn not working (7.7 (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 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Vehicle identification number obviously falsified black one fitted /replaced with correct yellow one (0.2 (b)) | 1 |
| Nearside Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 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 Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| An item not tested |Manual| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working Front brake only (4.3.1 (a) (ii)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Rear Braking system leaking from joint |3.6.A.1| | 1 |
| Brake pipe excessively corroded | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |