| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Front Brake excessively binding (1.2.1 (f)) | 15 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 9 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Registration plate issues | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Brake fluid contaminated (1.8 (a)) | 2 |
| Front Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| 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)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel bearing has excessive play Free play (5.1.3 (a) (i)) | 1 |
| Offside Front Footrest insecure Hanger broken (6.2.12 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Front Lower Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Central Front Upper Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Brake master cylinder insecure bolt missing (1.1.10 (c)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock fouling screen (2.1.4 (b)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Clutch lever positioned so it cannot be readily operated loose (6.2.7 (b)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking bars left (6.2.7 (a) (ii)) | 1 |
| Offside Front Brake caliper damaged (1.1.16 (a) (i)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Fuel cap ineffective unable to open to check seal (6.1.3 (b) (i)) | 1 |
| Rear Brake pedal insecure c,clip missing off back of pivot allowing pedal to move off shaft (1.1.2 (e) (i)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Footrest insecure REAR FOOT REST HANGER LOOSE (6.2.12 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust silencer insecure silence clamp corroded not working (8.1.1 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases Suspect Downpipes from Cylinder Head to Exhaust Box |6.1.2 |a|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls rear brake pedal does not operate stop lamp (4.3.2 (a) (iii)) | 1 |
| Offside Front Throttle operating incorrectly sticking bars left (6.2.7 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Lower Suspension component has excessive wear or free play Lower suspension dogbone link bearing (5.3.3 (d)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Front Brake component modification unsafe front brake lever hitting throttle cables (1.1.21 (d) (i)) | 1 |
| Nearside Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls control 2 (4.3.2 (a) (iii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort 40% (1.2.1 (e)) | 1 |
| Rear Brake pedal insecure Retaining circlip missing from rear brake pedal pivot (1.1.2 (e) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Road spring fractured (5.3.1 (b) (i)) | 1 |