| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 43 |
| Registration plate lamp issues | 16 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 11 |
| Registration plate issues | 10 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Stop lamp remains on when the brakes are released | 6 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock bars hitting screen - removed screen to retest (2.1.4 (c)) | 1 |
| Headlamp light intensity severely reduced film on lense cover - removed cover to retest (4.1.4 (a)) | 1 |
| Central Rear Stop lamp not working both front and rear levers no actuating lamp (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock brake lever guard hitting screen on full lock (2.1.4 (b)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock brake lever guard hitting screen on full lock (2.1.4 (b)) | 1 |
| Offside Front Brake lever insecure brake lever bracket loose (1.1.2 (e) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Wheel bearing rough when rotated bearings inside hub and possibly rear pulley creaking and cracking when wheel rotated slowly (5.1.3 (b) (i)) | 1 |
| Front Steering damper ineffective leaking (2.1.4 (d) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Lower Footrest insecure (6.2.12 (a)) | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Brake performance not tested rear brake seized on (1.2.1 (g)) | 1 |
| Stop lamp not working Hand lever (4.3.1 (a) (ii)) | 1 |
| Central Lower Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced centre stand corroded failed removed (6.1.1 (c) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 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 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Steering headbearing excessively stiff or notchy very large notch in centre of steering with weight on front wheel - DANGEROUS - likely to cause an accident as locks steering in centre (2.2.2 (f) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Footrest missing clip missing from pivot pin (6.2.12 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Front Throttle operating incorrectly engine rpm rises in left hand lock (6.2.7 (a) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Drive chain sprocket worn to excess missing 3 teeth (6.1.7 (c) (i)) | 1 |
| Footrest insecure Clip loose (6.2.12 (a)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Front Position lamp not working Light flickers on and off (4.2.1 (a)) | 1 |
| Front Steering operation restricted in free movement from lock to lock Fork yoke lower skirt trapping in R/H lock to bodywork (2.1.4 (c)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Headlamp light intensity severely reduced Both headlamps (4.1.4 (a)) | 1 |
| Headlamp reflector seriously defective Both headlamps (4.1.1 (b) (ii)) | 1 |
| Offside Front Footrest missing (6.2.12 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Position lamp light intensity significantly reduced front inop. (4.2.3 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake master cylinder reservoir cap missing (1.1.10 (e)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Shock absorber has a serious fluid leak BOTH FORK SEALS (5.3.2 (b)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Horn not working wire disconnected (7.7 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock cannot steer to left lock due to hand guard hitting screen (2.1.4 (c)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |