| Most common failures | No# failures |
|---|
| Registration plate issues | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Horn not working |1.7.3a| | 6 |
| Headlamp aim out of alignment | 4 |
| Horn missing |1.7.1| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Upper Rear mono-shock insecure |2.4.B.4| | 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 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Upper Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 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 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Rear Suspension component modified so the suspension is inoperative linkage partially seized |5.3.3 |c| |ii|| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock bearing notchy |2.1.4 |a|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp switch with a delay in operation front switch missing (4.3.2 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Wheel more than one fixing missing offside rear wheel spacer missing (5.2.1 (a) (ii)) | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected grip spins on throttle tube (6.2.7 (a) (ii)) | 1 |
| Central Rear Lower Suspension component pin or bush excessively worn All lower rear suspension linkage pins and needle roller bearings have excessive play in them. (5.3.4 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |