| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Registration plate issues | 24 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Registration plate lamp issues | 12 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Horn not working |1.7.3a| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn not working (7.7 (a)) | 3 |
| 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| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp not working from rear control (4.3.1 (a) (ii)) | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Shock absorber has a serious fluid leak Both front shockers leaking oil (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Rear Footrest missing Pillion Seat fitted but no pillion foot rests. (6.2.12 (a)) | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Nearside Rear Direction indicator insecure (1.5.3b) | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Rear Footrest missing pillion . (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing pillion (6.2.12 (a)) | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies handle bar control. |1.3.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Headlamp deteriorated and function impaired misted affecting beam pattern |1.2.3a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Footrest insecure locking device for foot peg pin missing |6.2.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Front shock absorber seal failed and leaking oil Both fork legs leaking |2.3.3| | 1 |
| Offside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Direction indicator obviously incorrectly positioned Rear indicators do not have minimum separation of 180mm. |4.4.3 |a|| | 1 |
| Front Brake cable insecure (1.1.15 (c)) | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp not working Front brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Not working when rear brake is applied only. |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Stop lamp not working when front brake applied (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Offside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Throttle operating incorrectly Sticking open on full right lock |6.2.7 |a| |i|| | 1 |
| All direction indicators not working sticking switch (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Position lamp not working main beam |4.2.1 |a|| | 1 |
| Front All direction indicators not working both missing |4.4.1 |a| |ii|| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Footrest missing passenger footrests missing (6.2.12 (a)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls not working operation of front brake lever (4.3.2 (a) (iii)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Stop lamp not working front brake and rear brake (4.3.1 (a) (ii)) | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Central Front Lower Brake excessively binding Excessive Binding to front brake, fluctuation under heavy braking. (1.2.1 (f)) | 1 |
| Offside Front Upper Steering operation impeded by a fairing throttle cable fowling fairing - adjust to clear as required. (2.1.4 (e)) | 1 |
| Headlamp switch faulty pass light inop |1.2.4| | 1 |
| Rear Brake disc contaminated |1.1.14 |b|| | 1 |
| All direction indicators not working Indicator relay replaced. (4.4.1 (a) (ii)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies Spring between switch and lever missing |1.3.1a| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Lower Drive chain worn to excess |6.2.1e| | 1 |
| Stop lamp not working on rear brake |4.3.1 |a| |ii|| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Direction indicators affected by the operation of another lamp led spacing to close together |1.5.1c| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Stop lamp switch with a delay in operation FLICKERS ON AND THEN OFF |4.3.2 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust has a major leak of exhaust gases headers have cracked all the way round the balance pipe (6.1.2 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |