| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 33 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Registration plate lamp issues | 10 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 9 |
| Drive chain excessively loose |6.2.1d| | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Registration plate issues | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 6 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Drive chain worn to excess |6.2.1e| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Drive chain excessively tight |6.2.1d| | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Horn not working |1.7.3a| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Chain guard insecure |6.2.1c| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Front Headlamp incorrect colour |1.2.1| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Brake hose excessively deteriorated | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Drive chain worn to excess |6.2.1e| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 2 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock Brake hose contacting Cluster (2.1.4 (b)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (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 aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 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 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Offside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 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 |
| Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Fuel hose leaking FUEL TAP/PIPE LEAKING (6.1.3 (b) (i)) | 1 |
| Rear Fuel pipe insecure (6.1.3 (a) (i)) | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Offside Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Plate brake test indicates a severely grabbing brake |3.3.B1b| | 1 |
| Rear Plate brake test indicates a severely grabbing brake |3.3.B1b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp switch with a delay in operation Intermittent front brake switch not illuminating stop lamp PRS (4.3.2 (a) (ii)) | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Inner Front Lower Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Inner Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Lower Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Rear Brake linkage excessively corroded (1.1.15 (b)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Wheel bearing rough when rotated Front wheel bearings noisy |5.1.3 |b| |i|| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Offside Front Footrest missing |6.2.1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Upper Footrest insecure |6.2.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Handlebar grip insecure to handlebar left hand grip was loose, re-secured with super glue, ok at time of test (2.2.1 (d) (ii)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing broken bolt |3.2.A1j| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Offside Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Nearside Front suspension assembly component cracked |2.3.1| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Upper Rear suspension bush has excessive free play shock bush |2.4.A2a|i|| | 1 |
| Front Brake hose which buldges |3.2.B4| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Valve stem seriously damaged Perrished & split |5.2.3 |j|| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |