| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 18 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 16 |
| Rear reflector missing |4.8.2 |a| |ii|| | 15 |
| Headlamp aim out of alignment | 14 |
| Registration plate lamp issues | 12 |
| Stop lamp remains on when the brakes are released | 11 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 8 |
| Registration plate issues | 8 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 7 |
| Offside Rear Footrest missing (6.2.12 (a)) | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| 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)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 5 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 4 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Horn not working |1.7.3a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Footrest missing both |6.2.12 |a|| | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Shock absorber has a serious fluid leak front fork seals,offside worse (5.3.2 (b)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Fuel tank insecure |6.1.3 |a| |i|| | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected |5.2.2 |c| |ii|| | 1 |
| Brake excessively binding |1.2.1 |f|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Footrest missing |6.2.1a| | 1 |
| Front Brake disc significantly and obviously worn FRONT BRAKE PEFORMANCE IS WELL BELOW NORMAL |1.1.14 |a| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Upper Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Headlamp insecure |4.1.1 |c|| | 1 |
| Offside Front Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Chain guard insecure missing |6.1.7 |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen LED bulbs fitted |4.1.2 |a|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Nearside Front Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Nearside Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Drive chain fouling another component |6.2.1d| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Rear reflector defective or damaged by more than 50% of the reflecting surface Covered by L Plate |4.8.1 |a| |ii|| | 1 |
| Front Footrest insecure |6.2.12 |a|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Brake lever has restricted free movement adjust |1.1.15 |e|| | 1 |
| Rear Footrest missing has rear seat fitted |6.2.12 |a|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure mud guard smashed |6.1.1 |b| |i|| | 1 |
| Front Headlamp light intensity severely reduced Main beam very dim |4.1.4 |a|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Front Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected |5.2.1 |c| |ii|| | 1 |
| Offside Front Headlamp aim so that beam "kick up" is not visible on the screen refit headlight bulb |4.1.2 |a|| | 1 |
| Nearside Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Footrest missing pillion |6.2.12 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Pillion seat insecure |6.2.6 |a| |ii|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Exhaust has a major leak of exhaust gases near cylinder head |6.1.2 |a|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition due to exhaust blow at front |8.1.1 |a|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Footrest missing (6.2.12 (a)) | 1 |
| Exhaust silencer insecure missing (8.1.1 (b) (i)) | 1 |
| Headlamp aim not tested non start (4.1.2 (b)) | 1 |
| Nearside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both front forks leaking oil (5.3.2 (b)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Motorcycle structure has a fracture which is likely to adversely affect braking or steering fairing (6.1.1 (a) (ii)) | 1 |
| Rear Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Brake performance not tested no effort recorded at rear. (1.2.1 (g)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock throttle cable,revs increse (2.1.4 (b)) | 1 |
| Rear Footrest missing seat fitted (6.2.12 (a)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Brake disc significantly and obviously worn Below min spec (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn Excessively below min spec (1.1.14 (a) (i)) | 1 |
| Offside Motorcycle structure joining/attachment plate or fastening insecure Panels (6.1.1 (b) (i)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Shock absorber has a serious fluid leak Right hand front (5.3.2 (b)) | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Central Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Valve stem seriously damaged perrished (5.2.3 (j)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Brake lever has restricted free movement fouling frame (1.1.15 (e)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Fork yoke excessively deformed (2.2.2 (d) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Fuel tank so insecure there is a risk of fire (6.1.3 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak front nearside fork leg leaking oil (5.3.2 (b)) | 1 |
| Offside Rear Exhaust silencer insecure rear exhaust mounting bracken broken (8.1.1 (b) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Handlebar retaining device loose left hand switch loose (2.2.1 (b) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork tube has corrsion in line of travel (5.3.2 (b)) | 1 |
| Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Footrest insecure hanger damaged (6.2.12 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Clutch lever positioned so it cannot be readily operated Lever perch is loose and incorrectly positioned so it cannot be fully pulled in (6.2.7 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Drive chain sprocket excessively loose drive chain (6.1.7 (c) (i)) | 1 |
| Nearside Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Footrest missing both pillion footrests missing (6.2.12 (a)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Footrest missing Both (6.2.12 (a)) | 1 |