| Most common failures | No# failures |
|---|
| Registration plate issues | 57 |
| Headlamp aim out of alignment | 38 |
| Rear reflector on motorcycle missing |1.4.1| | 34 |
| Horn not working |1.7.3a| | 14 |
| Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Registration plate lamp issues | 12 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Rear Footrest missing |6.2.1a| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies when front brake lever is applied. |1.3.1a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front switch |1.3.1a| | 1 |
| Front Brake master cylinder insecurely mounted alloy bolts on master cylinder handle bar clamp |3.2.B1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Centre Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Rear Direction indicator obviously incorrectly positioned less than 180mm apart |4.4.3 |a|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake component insecure Front brake lever pivot locking nut missing (1.1.21 (c)) | 1 |
| Rear reflector likely to become detached |4.8.1 |b| |ii|| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Stop lamp not working when rear brake is pressed (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Steering damper ineffective (2.1.4 (d) (i)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front position lamp obscured more than 50% |1.1.1d| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn missing |1.7.1| | 1 |
| Wheel has an excessively distorted bead rim. FRONT WHEEL HAS OFFSIDE RIM DAMAGE RUN OUT IN EXCESS OF THE 2mm LIMIT |4.2.2| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Stop lamp not working from rear brake pedal |4.3.1 |a| |ii|| | 1 |
| Offside Direction indicator insecure |1.5.3b| | 1 |
| Nearside Direction indicator insecure |1.5.3b| | 1 |
| Steering damper in such a condition that the steering action is adversely affected (2.1.4 (d) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases Headers have holes / crack near joint (6.1.2 (a)) | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear position lamp adversely affected by the operation of another lamp indicators built into rear light unit. 50% of rear light goes out when the indicators are switched on |1.1.3b| | 1 |
| Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Fuel tank insecure front bolts loose (6.1.3 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Front brake |1.3.1a| | 1 |
| Front Brake hose connection leaking (1.1.12 (c)) | 1 |
| Front 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 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Front Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies brake |1.3.1a| | 1 |
| Stop lamp not working from rear brake control (4.3.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort FRONT BRAKE/S WARPED (1.2.1 (e)) | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride r/h chain adjuster not sitting on chain adjuster plate |6.2.1h| | 1 |
| Brake pedal insecure rear brake lever |3.1.2a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition race can |8.1.1 |a|| | 1 |
| Brake pedal cracked |3.1.2c| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp not working When rear brake applied (4.3.1 (a) (ii)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Central Front Lower Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock lock stop broken |2.1.4 |b|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front and rear (4.3.2 (a) (iii)) | 1 |
| Exhaust has a major leak of exhaust gases from the headers (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases end can to rest of exhaust (6.1.2 (a)) | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Rear Brake pedal insecure |1.1.2 |e| |i|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases Downpipe cracked (6.1.2 (a)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp not working on rear brake (4.3.1 (a) (ii)) | 1 |
| All direction indicators obviously incorrectly positioned rear combination light fitted, front not clearly visible |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 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 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 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 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned Nearside rear indicator has less than 180 mm separation from offside indicator (4.4.3 (a)) | 1 |
| Offside Front Direction indicator obviously incorrectly positioned Offside rear indicator has less than 180 mm separation from Nearside indicator (4.4.3 (a)) | 1 |