| Most common failures | No# failures |
|---|
| Registration plate issues | 82 |
| Rear reflector on motorcycle missing |1.4.1| | 53 |
| Headlamp aim out of alignment | 40 |
| Rear reflector missing (4.8.2 (a) (ii)) | 34 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 14 |
| Registration plate lamp issues | 12 |
| Rear reflector missing |4.8.2 |a| |ii|| | 12 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Horn not working |1.7.3a| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 4 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 4 |
| Offside Rear Footrest missing (6.2.12 (a)) | 4 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Headlamp aim not tested |1.6| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 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 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 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 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Horn not working (7.7 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Brake pedal anti-slip provision loose |1.1.2 |c|| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid caliper |3.2.B1e| | 1 |
| Nearside Footrest missing pillion |6.2.1a| | 1 |
| Offside Footrest missing pillion |6.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering damper ineffective |2.1.4 |d| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 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 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Drive chain sprocket carrier worn to excess bearing |6.2.1e| | 1 |
| Rear Brake pedal has inadequate reserve travel no brake effort from rear brake |3.1.3b| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 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 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Brake pedal has insufficient reserve travel pedal |1.1.2 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen bulb fitted incorrectly |1.6.B.1| | 1 |
| Stop lamp remains on when the brake is released pedal siezing |1.3.1e| | 1 |
| Rear Brake pedal has insufficient reserve travel Excessive travel on rear brake lever |1.1.2 |a|| | 1 |
| Drive chain worn to excess Chain and sprockets worn to excess, teeth missing/broken on rear sprocket |6.1.7 |c| |i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired very poor beam pattern |1.2.3a| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear reflector missing reflective tape not considered acceptable |4.8.2 |a| |ii|| | 1 |
| Rear Lower Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Nearside Rear Direction indicators not working rear turns off after a few seconds |1.5.1c| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on number plate lamp |1.1.3a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Drive chain sprocket carrier worn to excess Crush Drive rubbers |6.2.1e| | 1 |
| Rear wheel bearings have excessive free play Sprocket carrier |2.4.A.2c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake disc|s| securing bolt|s| loose Both discs |3.2.A1g| | 1 |
| Front Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Exhaust mounting missing End can mounting missing |7.1.1c| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded brake |3.2.A1h| | 1 |
| Front Steering lock stop ineffective Lh & Rh lock stop ineffective , due to handle bar contact with headlight |2.1.3| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock LH Lock ; Throttle sticking. |2.1.4| | 1 |
| Nearside Front Indicator switch insecure LH Handle bar switch insecure |1.5.4| | 1 |
| Nearside Front Brake component has restricted free movement and operation is likely to be impeded LH Brake caliper , contact with LH brake disc. |3.2.A1h| | 1 |
| Centre Rear Rear reflector on motorcycle missing Rear reflector missing. |1.4.1| | 1 |
| Centre Front Wheel alignment incorrect which adversely affects the handling Front wheel out of alignment with rear wheel , incorrectly aligned in front forks |2.5.1| | 1 |
| Rear Upper Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front All position lamps do not illuminate immediately when switched on Front position lamp N/W |1.1.3a| | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear Lower 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 |
| Offside Front Upper Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Offside Rear Brake performance not tested |1.2.1 |g|| | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Upper Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Horn control not functioning. (1.7.2b) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Shock absorber has a serious fluid leak forkleg (5.3.2 (b)) | 1 |
| Headlamp aim not tested pattern incorrect (4.1.2 (b)) | 1 |
| Rear Drive chain worn to excess VERY WORN AND SEVERAL VERY CORRODED LINKS (6.1.7 (c) (i)) | 1 |
| Rear Brake lagging in operation excessive travel on rear brake (1.2.1 (d)) | 1 |
| Rear Brake pipe likely to become detached or damaged Fouling exhaust (1.1.11 (d) (ii)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Drive chain sprocket excessively loose sprocket carrier bearing has excessive play (6.1.7 (c) (i)) | 1 |
| Rear Direction indicator likely to become detached both rears (4.4.1 (c) (ii)) | 1 |
| Throttle operating incorrectly sticks on right hand lock (6.2.7 (a) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel brake not working correctly very spongy (1.1.2 (a)) | 1 |
| Offside Front Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Offside Rear Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Rear Footrest missing pillion footrests missing (dual seat fitted) (6.2.12 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen hid bulb fitted to halogen headlamp does not meet mot requirements (4.1.2 (a)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 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 Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 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 |
| Rear Wheel bearing has excessive play SPROCKET CARRIER BEARING. (5.1.3 (a) (i)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake lagging in operation rear brake pedal reaching stop (1.2.1 (d)) | 1 |