| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Registration plate issues | 13 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Horn not working |1.7.3a| | 6 |
| Throttle operating incorrectly |6.2.1f| | 6 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Drive chain excessively tight |6.2.1d| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Nearside Steering lock stop missing |2.1.3| | 3 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| 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| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Chain guard insecure |6.2.1c| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Registration plate lamp issues | 2 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Brake hose excessively twisted |3.2.B3a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front An item not tested |Manual| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Front position lamp insecure |1.1.1c| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Riders seat missing |6.2.1a| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| An item not tested |Manual| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Motorcycle structure adversely modified |6.1.1b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Front Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Offside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Rear Brake pedal attachment screws loose |3.1.2b| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Centre Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake hose damaged | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Centre Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 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 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Headlamp insecure |1.2.3b| | 1 |
| Inner Front Fuel system component insecure |7.2.1b| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Upper Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Drive chain sprocket excessively loose loose nuts (6.1.7 (c) (i)) | 1 |