| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 87 |
| Registration plate issues | 22 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 20 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 18 |
| Horn not working |1.7.3a| | 12 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Headlamp aim beam image kick up to the offside |1.6| | 10 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 9 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 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 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Front suspension assembly component loose |2.3.1| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Horn missing |1.7.1| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake component insecure DISC PAD FRICTION MATERIAL |1.1.21 |c|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up Rear wheel bearing ; VERY ROUGH & Noisy |5.1.3 |b| |ii|| | 1 |
| Offside Rear Direction indicator incorrect colour showing white light |1.5.1b| | 1 |
| Offside Front Lower Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Rear Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Direction indicator affected by the operation of another lamp All indicators stay iluminated so do tell tales |1.5.1c| | 1 |
| Offside Rear Footrest insecure Bolts loose |6.2.1a| | 1 |
| Throttle operating incorrectly Doesn`t close properly turns bar end with it |6.2.1f| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Rear Brake component inadequately mounted |1.1.21 |c|| | 1 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Upper Riders seat insecure |6.2.1a| | 1 |
| Rear wheel bearings have excessive free play Rear |2.4.A.2c| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Throttle operating incorrectly Sticks open |6.2.7 |a| |i|| | 1 |
| Central Handlebar deformed |2.1.1b| | 1 |
| Brake reaction bracket insecure Front locknut missing |3.2.A1j| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride ignition switch faulty,cuts out intermittently,switch body insecure. |6.2.1h| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Stop lamp adversely affected by the operation of another lamp Bulb incorrectly fitted. |4.3.3 |b|| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Offside Fuel system component leaking |7.2.1a| | 1 |
| Central Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Lower Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Shock absorber missing |5.3.2 |a| |ii|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Front Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Offside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Front Brake hose fouling |3.2.B3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Inner Fuel hose leaking |7.2.1a| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Offside Rear Wheel spoke missing |4.2.1b| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Rear Brake hose fouling |3.2.B3b| | 1 |
| Rear Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Direction indicator not working has been modified and cannot replace bulb |4.4.1 |a| |ii|| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| All position lamps do not illuminate immediately when switched on front sidelight |1.1.3a| | 1 |
| Offside Front Footrest insecure circlip missing |6.2.12 |a|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |