| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Rear Position lamp not working (4.2.1 (a)) | 9 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 9 |
| Rear Brake excessively binding (1.2.1 (f)) | 9 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Registration plate lamp issues | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Stop lamp not working both front and rear (4.3.1 (a) (ii)) | 1 |
| Offside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail Oil dry (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock hand gaurds fouling on screen. (2.1.4 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal leaking down leg to caliper (5.3.2 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Footrest missing both rear (6.2.12 (a)) | 1 |
| Stop lamp not working not working on rear brake application (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Both legs are leaking (5.3.2 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Rear Footrest missing When checking the nearside pillion footrest, the footrest fell off in my hand & only a small part of the metal peg is there. Not suitable for a passenger to rest their left foot on. (6.2.12 (a)) | 1 |
| Nearside Front Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Throttle operating incorrectly Twist throttle on handlebar does not return properly. I suspect this is due to the right hand handlebar end weight being bent. (6.2.7 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected On left hand lock, engine revs high. Suspect wrongly routed throttle cable. (6.2.7 (a) (ii)) | 1 |
| Throttle operating incorrectly Twist grip tube no returning properly. (6.2.7 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Upper Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Suspension arm pin or bush excessively worn Swing arm bearings. (5.3.4 (a) (i)) | 1 |
| Suspension component pin or bush excessively worn top shock bush (5.3.4 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working Replace rear bulb (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Wheel spoke excessively bent front wheel laced incorrectly resulting in bent spokes (5.2.2 (d)) | 1 |
| Nearside Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |