| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Registration plate issues | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 18 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 5 |
| 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| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Offside Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Rear reflector missing fitted at the garage (4.8.2 (a) (ii)) | 1 |
| Front Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake pipe excessively corroded | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Lower Shock absorber likely to become detached Bent liable for bolt to crack (5.3.2 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Nearside Direction indicator missing |1.5.1a| | 1 |
| Offside Direction indicator missing |1.5.1a| | 1 |
| Rear Drive belt sprocket carrier worn to excess |6.2.1e| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 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 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Rear Brake master cylinder defective but brake still operating Brake excessive travel (1.1.10 (b) (i)) | 1 |
| Central Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort brake disc (1.2.1 (e)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Not returning in right hand lock |6.2.7 |a| |ii|| | 1 |