| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 11 |
| Headlamp aim out of alignment | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 10 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate issues | 2 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 2 |
| Front Brake disc contaminated oil (1.1.14 (b)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 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 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn swing arm bushes (5.3.4 (a) (i)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Drive chain worn to excess severe tight spots (6.1.7 (c) (i)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Headlamp not working on main beam all not working (4.1.1 (a) (ii)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected Bent (1.1.2 (b) (ii)) | 1 |
| Front Shock absorber missing Both forks leaking (5.3.2 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar Left hand grip insecure (2.2.1 (d) (ii)) | 1 |
| Offside Front Footrest insecure Bent down badly (6.2.12 (a)) | 1 |
| Fuel system component leaking carb (6.1.3 (b) (i)) | 1 |
| Brake component insecure Torque arm no locking device (1.1.21 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling is 55mm off (2.4 (a)) | 1 |
| Rear Brake component insecure locking device missing (1.1.21 (c)) | 1 |
| Offside Brake lever has restricted free movement Rear brake lever fouls on frame, unable to test rear brake (1.1.15 (e)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Suspension attachment bracket/mounting insecure Rear shock adjustment lock nut insecure (5.3.3 (a) (i)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected STICKING/JAMMING ON AND CABLE INSECURE ON THROTTLE BODY (6.2.7 (a) (ii)) | 1 |
| Brake component insecure rear brake toque arm (1.1.21 (c)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Brake component insecure LOCKING DEVICE MISSING ON TORQUE ARM ON REAR BRAKE PLATE (1.1.21 (c)) | 1 |
| Rear Brake has no recorded effort at a wheel Suspect air/faulty system. (1.2.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain worn to excess loose, sprockets also worn. (6.1.7 (c) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fitted new seals (5.3.2 (b)) | 1 |
| Suspension arm pin or bush excessively worn Swing arm bearing has excessive play (5.3.4 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect LED light source fitted which is incompatible with the headlamp unit (4.1.2 (c)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging arm bushes / bearings (5.3.4 (a) (i)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Offside Front Stop lamp not working on hand control (4.3.1 (a) (ii)) | 1 |
| Rear Vehicle identification number not legible damaged (0.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls foot brake (4.3.2 (a) (iii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |