| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 42 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 16 |
| Rear Brake excessively binding (1.2.1 (f)) | 14 |
| Registration plate lamp issues | 10 |
| Registration plate issues | 10 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 9 |
| Headlamp aim out of alignment | 8 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 6 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 6 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 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 |
| 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)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 2 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort front disc warped (1.2.1 (e)) | 1 |
| Front Steering headbearing excessively stiff or notchy steering bearings notchy (2.2.2 (f) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted clip has been removed and fitted the right way around now. (6.1.7 (j) (i)) | 1 |
| Rear Brake excessively binding wheel binding so bad it could lock up completely (1.2.1 (f)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |
| Nearside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Upper Steering operation impeded by a fairing brake lever catching fairing on left lock - adjusted front brake to factory position to rectify (2.1.4 (e)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Nearside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Nearside Front Footrest missing (6.2.12 (a)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain sprocket worn to excess EXCESSIVE PLAY IN CUSH DRIVE (6.1.7 (c) (i)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Central Lower Exhaust has a major leak of exhaust gases Central coupling between centre box and rear silencer leaking gasses and blowing, have re-attached correctly to correct. (6.1.2 (a)) | 1 |
| Central Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Central Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Shock absorber has a serious fluid leak Both front fork seals leaking (5.3.2 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure SIDE STAND (BOLTS LOOSE) (6.1.1 (b) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Front Horn not working (7.7 (a)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Direction indicator missing n/s/f + o/s/f (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain horseshoe locking device incorrectly fitted Drive chain horse shoe not correctly fitted - re-fitted correctly (6.1.7 (j) (i)) | 1 |
| Front Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Offside Front Direction indicator missing Right Hand Front (4.4.1 (a) (ii)) | 1 |
| Front Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Drive chain so worn it is likely to fail chain and sprockets worn (6.1.7 (c) (ii)) | 1 |
| Brake grabbing severely (1.2.1 (c)) | 1 |
| Offside Motorcycle structure joining/attachment plate or fastening insecure chain adjuster (6.1.1 (b) (i)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Nearside Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced sidestand mount loose (6.1.1 (b) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned too close together need to be 180mm (4.4.3 (a)) | 1 |
| Nearside Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Offside Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose Chain is very worn and excessively loose. Chain and sprockets should be changed as a set. (6.1.7 (c) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |