| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 35 |
| Rear reflector missing (4.8.2 (a) (ii)) | 20 |
| Headlamp aim out of alignment | 14 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 11 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 8 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Position lamp not working (4.2.1 (a)) | 6 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 4 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Registration plate issues | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 2 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Front brake light operation not working (4.3.2 (a) (iii)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose Cush drive worn (6.1.7 (c) (i)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Brake component inadequately mounted brake disc bolt missing (1.1.21 (c)) | 1 |
| Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling Rear wheel facing severely towards offside (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Drive chain sprocket excessively loose Excess movement in 2 parts of rear sprocket carrier (6.1.7 (c) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected Bars touch tank on full right lock (2.2.1 (c) (ii)) | 1 |
| Headlamp light intensity severely reduced dip beam very dim (4.1.4 (a)) | 1 |
| Direction indicator not working Front left (4.4.1 (a) (ii)) | 1 |
| Suspension component has excessive wear or free play Swingarm has excess movement side to side (5.3.3 (d)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Offside Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Front Upper Brake caliper damaged (1.1.16 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Offside Rear Exhaust system insecure mount plate bolts loose (6.1.2 (a)) | 1 |
| Rear Lower Shock absorber insecurely attached mount bolt loose (5.3.2 (a) (i)) | 1 |
| Central Rear Inner Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted wrong direction (6.1.7 (j) (i)) | 1 |
| Rear Lower Shock absorber insecurely attached attachment bolt loose (5.3.2 (a) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake lagging in operation |1.2.1 |d|| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Brake pedal insecure bolt loose (1.1.2 (e) (i)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| Shock absorber insecurely attached both front forks loose in top yoke (5.3.2 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted fitted wrong way round (6.1.7 (j) (i)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling wheel alignment & fork legs misaligned. (2.4 (a)) | 1 |
| Rear Drive chain sprocket excessively loose sprocket bolts/nuts loose (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn rear swingarm bushes excessive side to side play (5.3.4 (a) (i)) | 1 |
| Rear Lower Suspension arm pin or bush excessively worn rear shock lower bush excessive play. (5.3.4 (a) (i)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Drive chain sprocket excessively loose poss bolt holes worn aswell (6.1.7 (c) (i)) | 1 |
| Rear reflector missing L - plate obstructing rear reflector completely (4.8.2 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Steering headbearing excessively stiff or notchy overtightened (2.2.2 (f) (i)) | 1 |
| Offside Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock When turning right (2.1.4 (b)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm bearings (5.3.4 (a) (i)) | 1 |
| Central Rear Shock absorber has negligible damping effect no damping effect on rear (5.3.2 (b)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| All direction indicators not working no power to bike (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam no power to bike (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam no power to bike (4.1.1 (a) (ii)) | 1 |
| All position lamps not working no power to bike (4.2.1 (a)) | 1 |
| Stop lamp not working no power to bike (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm bushers worn (5.3.4 (a) (i)) | 1 |
| Central Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| 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 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam aim not checked (4.1.1 (a) (ii)) | 1 |
| Rear reflector missing behind L plate (4.8.2 (a) (ii)) | 1 |
| Stop lamp not working FROM FRONT CONTROL (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering front wheel in comparison to bars (2.4 (a)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail Bolt broken off ! plus the other one loose! (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |