| Most common failures | No# failures |
|---|
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Registration plate lamp issues | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Headlamp aim out of alignment | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Stop lamp not working front hand control |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure bodywork (6.1.1 (b) (i)) | 1 |
| Front Brake caliper inadequately mounted bolt locking tabs not used (1.1.16 (c) (i)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Brake lever insecure pivot lock nut loose |1.1.2 |e| |i|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected right handelbar fouling tank (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering handle bars pointing left when wheels straight (2.4 (a)) | 1 |
| Offside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected notchy (2.2.2 (f) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Front Direction indicator obviously incorrectly positioned Broken (4.4.3 (a)) | 1 |
| Front Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Rear Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Front Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp not working rear brake light (4.3.1 (a) (ii)) | 1 |
| Front Brake master cylinder defective but brake still operating master cylinder sticking when lever released cylinder stick in leaving brake on but lever returns (1.1.10 (b) (i)) | 1 |
| Offside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Suspension arm pin or bush excessively worn rear swing arm front bushes (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain horseshoe locking device incorrectly fitted Drive chain split link incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Brake performance not tested brakes binding (1.2.1 (g)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced (Swing Arm Corroded and Holes in Swing Arm) (6.1.1 (c) (i)) | 1 |
| Throttle operating incorrectly (Assy Turns on Handlebar) (6.2.7 (a) (i)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail bearing failed (6.1.7 (c) (ii)) | 1 |
| Rear Suspension arm damaged and seriously weakened s/arm (5.3.3 (b) (i)) | 1 |
| Rear Suspension arm has an unsafe modification (5.3.3 (c) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake caliper insecure caliper (1.1.16 (c) (i)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |