| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 4 |
| Registration plate lamp issues | 4 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 2 |
| Offside Rear Footrest missing |6.2.12 |a|| | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Fuel system component leaking carb overflow (6.1.3 (b) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Footrest missing both sides (6.2.12 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak l/h fork seal (5.3.2 (b)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Lower Suspension arm pin or bush excessively worn linkage |5.3.4 |a| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp aim not tested high beam & dipped beam do not switch off |4.1.2 |b|| | 1 |
| Brake lever is positioned so that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain so worn it is likely to fail links seized |6.1.7 |c| |ii|| | 1 |
| Suspension arm pin or bush excessively worn rear shock top bush/bearing |5.3.4 |a| |i|| | 1 |
| Brake master cylinder leaking hose split between master cylinder and reservoir |1.1.10 |b| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Footrest missing both |6.2.12 |a|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Footrest missing both rear pillion footrests missing |6.2.12 |a|| | 1 |
| Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Rear Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Central Upper Engine mounting/bracket missing |6.1.8 |a| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected tight in straight ahead position |2.2.2 |f| |ii|| | 1 |
| Offside Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Front Wheel fixing loose |single fixing| pinch bolts loose |5.2.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Offside Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Nearside Footrest insecure mounting of footpeg cracked (6.2.12 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |