| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 20 |
| Headlamp aim out of alignment | 18 |
| Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Registration plate issues | 9 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 8 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 3 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Stop lamp switch with a delay in operation rear brake needs to be pressed very firm to operate brake light (4.3.2 (a) (ii)) | 1 |
| Shock absorber has an excessively worn bush top bush has excessive freeplay (5.3.2 (c)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 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 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Front Brake hose connection leaking seeping |1.1.12 |c|| | 1 |
| Rear Brake hose connection leaking seeping |1.1.12 |c|| | 1 |
| Shock absorber has a serious fluid leak nearside and offside front (5.3.2 (b)) | 1 |
| Offside Rear Stop lamp not working foot control (4.3.1 (a) (ii)) | 1 |
| Clutch lever positioned so it cannot be readily operated Fouls on heated hand grip (6.2.7 (b)) | 1 |
| Rear Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp not working Rear brake switch. (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Fuel cap ineffective Unable to unlock (6.1.3 (b) (i)) | 1 |
| Front Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement engine mount has excessive movement (nut stripped) (6.1.8 (a) (i)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Wheel fixing missing (multiple fixings) Split pin missing. (5.2.1 (a) (i)) | 1 |
| Rear Footrest missing Pillion foot rests missing |6.2.12 |a|| | 1 |
| Brake excessively binding Front (1.2.1 (f)) | 1 |
| Stop lamp not working Front Brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls no brake light from hand control (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Nearside Rear Lower Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Stop lamp not working REAR (4.3.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Stop lamp missing |4.3.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 25kg fluctuation (1.2.1 (e)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Footrest insecure (6.2.12 (a)) | 1 |
| Front Valve stem seriously damaged Inner valve (5.2.3 (j)) | 1 |
| Offside Footrest missing inoperative (6.2.12 (a)) | 1 |
| Stop lamp not working Front switch (4.3.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working front control lever (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working bulb defective and replaced (4.3.1 (a) (ii)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Offside Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Drive chain excessively tight Several tight spots on chain rotation (6.1.7 (k) (i)) | 1 |
| Direction indicator not working O/S/R (4.4.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Exhaust system insecure front silencer clip (6.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Rear brake light switch wires disconnected. (4.3.2 (a) (iii)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Central Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Front Upper Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Upper Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Inner Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected Bracket bent, pad only partly on disc (1.1.16 (c) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear All direction indicators obviously incorrectly positioned less than 180mm apart |4.4.3 |a|| | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Drive chain sprocket worn to excess abnormal noise from drive chan (6.1.7 (c) (i)) | 1 |
| Position lamp lens seriously defective Front LED position lamp flashing with strobe effect (4.2.1 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |