| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 42 |
| Registration plate lamp issues | 23 |
| Registration plate issues | 20 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 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)) | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Throttle operating incorrectly Heated grip wire catching fuel tank |6.2.1f| | 1 |
| 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 Rear Footrest missing |6.2.1a| | 1 |
| Central Rear Lower Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp not working brake pedal (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation when rear brake is applied (4.3.2 (a) (ii)) | 1 |
| Offside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front Stop lamp not working faulty switch (4.3.1 (a) (ii)) | 1 |
| Offside Front Inner Shock absorber has a serious fluid leak O/S fork seal leaking excessively (5.3.2 (b)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on dipped beam |1.1.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Central Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust silencer likely to become detached Rear exhaust silencer loose/not secure. |8.1.1 |b| |ii|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 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 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Position lamp showing red light to the front (4.2.3 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake pedal cannot be released smoothly rear brake pedal binding |3.1.3d| | 1 |
| Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Chain guard insecure SCOTTOILER DUAL INJECTOR IN CHAIN RUN. (6.1.7 (i)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Exhaust excessively deteriorated Silencer clamp broken |7.1.1a| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Nearside Shock absorber has a serious fluid leak forkleg (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working Rear control (4.3.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Steering operation impeded by a fairing |2.1.4 |e|| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 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 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp aim headlamp damaged and function impaired no obvious beam pattern |1.2.3a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Nearside Front Clutch lever shortened so it cannot be readily operated |6.2.7 |b|| | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp not working from control 2 (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Drive chain so worn it is likely to fail also very tight links Chain requires replacement (6.1.7 (c) (ii)) | 1 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Central Front Horn control not functioning. |1.7.2b| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Rear Outer Footrest missing (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak fork oil seals (5.3.2 (b)) | 1 |
| Central Front Upper Headlamp not working on main beam bulb replaced (4.1.1 (a) (ii)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure bolt missing from belly pan (6.1.1 (b) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure bar end loose (6.1.1 (b) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Stop lamp not working off of rear brake |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working from rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Footrest missing right hand rear (6.2.12 (a)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake disc|s| has excessive run out rear disc |3.2.A1m| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Brake disc contaminated With oil from leaking fork seal. (1.1.14 (b)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |