| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Headlamp aim out of alignment | 18 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 13 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Registration plate lamp issues | 7 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 7 |
| Riders seat insecure (6.2.5 (a) (ii)) | 6 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 6 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Horn not working (7.7 (a)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| All direction indicators not working (4.4.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| 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 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 2 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Headlamp aim projected beam image obviously incorrect dip beam image, kick up wrong side (4.1.2 (c)) | 1 |
| Registration plate issues | 1 |
| Headlamp aim not tested Due to led bulb giving incorrect pattern/light output (4.1.2 (b)) | 1 |
| Rear Wheel excessively damaged Alloy spoke broken off (5.2.2 (c) (i)) | 1 |
| Rear Wheel hub excessively damaged (5.2.1 (b) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Front Shock absorber likely to become detached Bolt broken off in bottom yoke (5.3.2 (a) (ii)) | 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 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Stop lamp not working Off front brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Lower Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Suspension component modified so the suspension is inoperative sticking and not returning properly (5.3.3 (c) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Rear Upper Stop lamp not working Rear Brake Light not Working. (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment rear brake arm clamping bolt missing (1.1.15 (f)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar Both left and right (2.2.1 (d) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak Right fork (5.3.2 (b)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp insecure Whole front panel with headlamp loose (4.1.1 (c)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect high/low beam working back to front (require swapping around) (4.1.2 (c)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Front Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Position lamp likely to become detached L/H front (4.2.1 (c) (ii)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Wheel fractured (5.2.2 (a)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected tickover very fast (6.2.7 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached Loose (2.2.1 (b) (ii)) | 1 |
| Throttle operating incorrectly STUCK CLOSED (6.2.7 (a) (i)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Headlamp aim not tested due to bulb failure (4.1.2 (b)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected insecure to handlebars (6.2.7 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp not working does not work immediately when brake is pressed (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Forks excessively corroded both front (2.2.2 (d) (i)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Lower Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| All direction indicators adversely affected by the operation of another lamp ie hazard lights (4.4.3 (b)) | 1 |
| Headlamp light intensity severely reduced pattern deteriated (4.1.4 (a)) | 1 |
| Rear Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Front Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |