| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 21 |
| Headlamp aim out of alignment | 13 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 12 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 4 |
| Horn not working (7.7 (a)) | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Registration plate issues | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Upper Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Central Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Stop lamp not working Off rear brake (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm bushs (5.3.4 (a) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases down pipe (6.1.2 (a)) | 1 |
| Drive chain so loose it is likely to fail fouls on centre stand (6.1.7 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected cable at engine side damage/insecure / likely to become jammed (6.2.7 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock phone holder hits tank (2.1.4 (b)) | 1 |
| Brake performance unable to be tested front calliper leaking (1.2.1 (g)) | 1 |
| Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging arm (5.3.4 (a) (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 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface Covered by learner L plate (4.8.1 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp light intensity severely reduced High beam. (4.1.4 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain excessively tight plus corroded (6.1.7 (k) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear reflector missing no rear reflector prs (4.8.2 (a) (ii)) | 1 |
| Nearside Front Lower Footrest insecure bolt missing from footpeg
replacement fitted prs (6.2.12 (a)) | 1 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Not working from front brake lever (4.3.2 (a) (iii)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging arm pin / bushes (5.3.4 (a) (i)) | 1 |
| Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake cylinder leaking brake master cylinder (1.1.16 (b) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Exhaust silencer likely to become detached heat sheild (8.1.1 (b) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy notch in centre (2.2.2 (f) (i)) | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls switch corroded (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls lever (4.3.2 (a) (iii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Stop lamp not working Not working from front brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied Rear brake pedal (1.1.2 (d)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Lower Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Horn sound not in accordance with requirements intermittent (7.7 (c)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working foot brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel has bolts/rivets missing or loose to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (e) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear reflector missing Obscured by L plate (4.8.2 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |