| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 41 |
| Registration plate lamp issues | 35 |
| Registration plate issues | 13 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Exhaust has part of the system missing |7.1.1a| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Headlamp insecure |1.2.3b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies possible brake switch |1.3.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust silencer insecure clamps loose broken |8.1.1 |b| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on fit new bulb discoloured |1.1.3a| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Footrest insecure rider footrest hanger cracked |6.2.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Stop lamp not working brake light switch |4.3.1 |a| |ii|| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Upper Rear suspension component loose |2.4.A.1a| | 1 |
| Headlamp not working on main beam r/h headlight bulb out |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working front brake light switch inop |4.3.1 |a| |ii|| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Shock absorber has a serious fluid leak OFFSIDE FORK SEAL LEAKING |5.3.2 |b|| | 1 |
| Brake disc contaminated OFFSIDE FRONT BRAKE DISC CONTAMINATED WITH OIL |1.1.14 |b|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Headlamp missing |1.2.3a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Handlebar grip insecure to handlebar l/h |2.2.1 |d| |ii|| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Headlamp light intensity severely reduced bulb incorrect fittment |4.1.4 |a|| | 1 |
| Central Exhaust excessively deteriorated clamp broken/split |7.1.1a| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies foot brake |1.3.1a| | 1 |
| Centre Lower Exhaust excessively deteriorated exaust clamps broken |7.1.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Wheel excessively distorted Ding on o/s front wheel rim (5.2.2 (c) (i)) | 1 |
| Front Exhaust silencer likely to become detached broken clamp (8.1.1 (b) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Direction indicator not working all (4.4.1 (a) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking on bar end weight (6.2.7 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front Position lamp missing (4.2.1 (a)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Position lamp not working tail light not working (4.2.1 (a)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Exhaust system insecure Offside exhaust clamp rotted off! (6.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Exhaust system insecure Downpipe clamp missing (6.1.2 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Upper Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak FORK LEG (5.3.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |