| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 39 |
| Headlamp aim out of alignment | 33 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 20 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 20 |
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 13 |
| Drive chain excessively loose |6.2.1d| | 12 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 12 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 11 |
| Drive chain worn to excess |6.2.1e| | 10 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 9 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 9 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 7 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Registration plate issues | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside Front Direction indicator not working |1.5.1c| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Exhaust excessively deteriorated |7.1.1a| | 4 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 4 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Front position lamp missing |1.1.1a| | 3 |
| Rear Brake locking device missing |3.2.A1e| | 3 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Drive chain excessively loose |6.2.1d| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Nearside Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Offside Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 2 |
| Registration plate lamp issues | 2 |
| 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|| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 2 |
| Brake hose damaged | 2 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Central Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Front Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Handlebar handgrip not secure to handlebars. left |2.1.1c| | 1 |
| Handlebar mounting clamp bolt loose right |2.1.1a| | 1 |
| Front shock absorber seal failed and leaking oil left |2.3.3| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear mono-shock pivot excessively worn lower |2.4.B.4| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose split pin fitted |3.2.A1j| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear Lower Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Upper Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Front suspension has a fracture of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear suspension has an inadequate repair of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Front Lower Brake pipe excessively damaged |3.2.B2a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Position lamp missing |4.2.1 |a|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Outer Rear Lower Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Rear Lower Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Front An item not tested |Manual| | 1 |
| Nearside Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp insecure MOUNTING BRACKET TOO FLEXIBLE, THE HEADLIGHT BOUNCE AND APPEAR TO BE FLICKERING (4.1.1 (c)) | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake locking device missing split pin |3.2.A1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Nearside Brake disc|s| insecure |3.2.A1g| | 1 |
| Nearside Front suspension assembly component missing |2.3.1| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front suspension assembly component cracked |2.3.1| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Handlebar grip insecure to handlebar left bar grip spins round |2.2.1 |d| |ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system strap broken |7.1.1.c| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Nearside Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Position lamp switch insecure |1.1.4b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear wheel spindle loose |2.4.A.2b| | 1 |
| Centre Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Handlebar deformed trapping hand on fuel tank |2.1.1b| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |