| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Rear reflector on motorcycle missing |1.4.1| | 23 |
| Registration plate issues | 20 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 8 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| 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| | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate immediately a brake applies foot |1.3.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Plate brake test indicates a severely grabbing brake |3.3.B1b| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front |1.3.1a| | 1 |
| Front shock absorber seal failed and leaking oil R/H |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease R/H |3.2.A1k| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Fairings insecure and likely to impede the steering brake lever fouling |2.1.2e| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake hose fouling brake hose rubbing clocks |3.2.B3b| | 1 |
| Centre Rear Lower Rear suspension bush has excessive free play link bush. |2.4.A2a|i|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Centre Front Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 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 reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Position lamp not working bulb was blown |4.2.1 |a|| | 1 |
| Rear Stop lamp not working rear brake light switch needed adjusting |4.3.1 |a| |ii|| | 1 |
| Nearside Rear suspension component loose |2.4.A.1a| | 1 |
| Offside Rear suspension component loose |2.4.A.1a| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Brake excessively binding binding brake and could grab completely with heated discs due to friction |1.2.1 |f|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play SWINGING ARM BUSHES |2.4.A2a|i|| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear reflector missing |4.8.2 |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 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Central Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Roller brake test indicates a binding brake caliper pistons partially seized giving 20 kgf bind on roller brake test |3.3.A1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Chain guard insecure |6.2.1c| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working On rear foot lever |4.3.1 |a| |ii|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Centre Front Lower Horn not working |1.7.3a| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Offside 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 Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear suspension bush has excessive free play (2.4.A2a(i)) | 1 |
| Rear Brake component worn and seriously reduced in strength (3.2.A1) | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. (3.3.A2a) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Stop lamp not working Rear control (4.3.1 (a) (ii)) | 1 |
| All direction indicators missing (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 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Registration plate lamp issues | 1 |