| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Stop lamp remains on when the brakes are released | 20 |
| Headlamp aim out of alignment | 15 |
| Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Rear Position lamp not working (4.2.1 (a)) | 13 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 12 |
| Horn not working (7.7 (a) (ii)) | 11 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 10 |
| Registration plate lamp issues | 10 |
| Registration plate issues | 9 |
| 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)) | 9 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 3 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 2 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 2 |
| Front Headlamp light intensity severely reduced |4.1.4 |a|| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Horn not working (7.7 (a) (ii)) | 2 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear 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|| | 2 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Lower Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 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 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Rear Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Stop lamp not working front and rear brakes (4.3.1 (a) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected |2.2.1 |a| |ii|| | 1 |
| Stop lamp not working off front brake lever (4.3.1 (a) (ii)) | 1 |
| Front Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Rear Lower Suspension rod pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear All position lamps light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp not working switch sticking ,lubricated now operational (4.3.1 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Shock absorber has negligible damping effect no rear shock has no damping (5.3.2 (b)) | 1 |
| Front Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected missing (4.4.1 (b) (ii)) | 1 |
| Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revving up on its own (6.2.7 (a) (ii)) | 1 |
| Stop lamp adversely affected by the operation of another lamp indicators (4.3.3 (b)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment spring missing on cable (1.1.15 (f)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear All position lamps light intensity significantly reduced LEFT BULB |4.2.3 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases front pipe (6.1.2 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy excessively notchy (2.2.2 (f) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases At manifold (6.1.2 (a)) | 1 |
| Shock absorber has negligible damping effect Front suspension fully compressed & no damping. (5.3.2 (b)) | 1 |
| Offside Front Upper All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Upper Horn not working (7.7 (a)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 25kg fluctuation on front brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls DOES NOT WORK OF EITHER BRAKE LEVER (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Brake effort inadequate at a wheel adjusted, adjuster has been bent and nut damaged (1.2.1 (a) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking open (6.2.7 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Rear Suspension component pin or bush excessively worn x2, both nearside and offside engine mounting bushes (5.3.4 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Direction indicator light intensity significantly reduced All indicators (4.4.3 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect no low beam pattern (4.1.2 (c)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Offside Brake lever has insufficient reserve travel front brake lever comes in to handlebar|SPONGY| |1.1.2 |a|| | 1 |
| Rear Brake lever has insufficient reserve travel rear brake lever comes into handlebar |1.1.2 |a|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Central Rear Direction indicator incorrect colour rear light white (4.4.3 (a)) | 1 |
| Front Direction indicator light intensity significantly reduced all lights dim (4.4.3 (a)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam replaced bulb. (4.1.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Lower Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working bip beam (4.2.1 (a)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| All direction indicators not working no indicator function (4.4.1 (a) (ii)) | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Rear Position lamp missing |4.2.1 |a|| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Offside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear reflector on motorcycle missing been removed |1.4.1| | 1 |
| Steering headbearing has excessive free play movement due to lose base nut and lock nut not tight |2.2.2| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |