| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 45 |
| Headlamp aim out of alignment | 28 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 25 |
| Front Brake excessively binding (1.2.1 (f)) | 18 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 16 |
| Horn not working (7.7 (a)) | 13 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 8 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Headlamp insecure (4.1.1 (c)) | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Riders seat insecure (6.2.5 (a) (ii)) | 5 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 4 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 4 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| 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)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak fork seal failed (5.3.2 (b)) | 3 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Engine mounting/bracket missing Bolt missing (6.1.8 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Stop lamp not working from rear brake (4.3.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface covered by l plate (4.8.1 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Exhaust silencer insecure upper mounting missing (8.1.1 (b) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front panel not secure (6.1.1 (b) (i)) | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Front Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls L/H LEAVER (4.3.2 (a) (iii)) | 1 |
| Front Direction indicator not working both fronts (4.4.1 (a) (ii)) | 1 |
| Front Direction indicator not working Left & right front indicators not connected (4.4.1 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn Excessive play in top shock mount bushes (5.3.4 (a) (i)) | 1 |
| Offside Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Throttle operating incorrectly left lock throttle increases (6.2.7 (a) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Wheel fixing missing (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Offside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases exhaust corroded (6.1.2 (a)) | 1 |
| Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface l plate fitted over reflecter (4.8.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Central Headlamp insecure (4.1.1 (c)) | 1 |
| Front Direction indicator likely to become detached o/s+n/s (4.4.1 (c) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect o/s+n/s (5.3.2 (b)) | 1 |
| Rear reflector missing behind l plate (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls REAR CONTROL (4.3.2 (a) (iii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Headlamp insecure whole fairing holding headlamps loose (4.1.1 (c)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork pitted (5.3.2 (b)) | 1 |
| Nearside Headlamp aim projected beam image obviously incorrect LED bulb fitted (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image obviously incorrect LED bulb fitted (4.1.2 (c)) | 1 |
| Nearside Rear Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Offside Rear Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Nearside Front Lower Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Engine mounting/bracket bracket excessively loose engine bushes (6.1.8 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock aux wiring fowling when turning (2.1.4 (c)) | 1 |
| Brake hose bulging under pressure both front (1.1.12 (d)) | 1 |
| Front Brake master cylinder defective but brake still operating Seized, not returning correctly, Brake light stuck on. (1.1.10 (b) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) Nut found loose (5.2.1 (a) (ii)) | 1 |
| Rear reflector missing Obscured by number plate (4.8.2 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Stop lamp not working off rear brake lever (4.3.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock panels and cables fouling steering movement (2.1.4 (c)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Wheel hub worn to the extent that wheel security is adversely affected exesive movment loose hub nut (5.2.1 (b) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Brake back plate insecure (1.1.14 (d)) | 1 |
| Offside Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Suspension rod pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Registration plate issues | 1 |
| Central Front Lower Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure Bracket bolt missing (6.1.2 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Brake component insecure pad pin (1.1.21 (c)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Rear Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing Obscured by L plate (4.8.2 (a) (ii)) | 1 |
| Offside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Stop lamp not working control1 (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure Bolt missing (6.1.2 (a)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Rear reflector missing Covered by the L plate (4.8.2 (a) (ii)) | 1 |
| Offside Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Front Headlamp insecure nose cone (4.1.1 (c)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp not working brake lever (4.3.1 (a) (ii)) | 1 |
| Offside Rear Exhaust silencer insecure MOUNTING BOLT MISSING (8.1.1 (b) (i)) | 1 |
| Brake caliper operating mechanism has excessive travel Rear Calipar and mounting pins worn (1.1.16 (e) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal leaking (5.3.2 (b)) | 1 |
| Central Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged Cracked (5.2.3 (j)) | 1 |
| Front Valve stem seriously damaged Cracked (5.2.3 (j)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Suspension attachment bracket/mounting insecure bolt missing (5.3.3 (a) (i)) | 1 |
| Front Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal failed (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect shock absorber seized - no movement of rear suspension (5.3.2 (b)) | 1 |
| Headlamp not working on main beam dip beam extinguished when high beam switched (4.1.1 (a) (ii)) | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect both rear shock absorbers (5.3.2 (b)) | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected Bolt missing and caliper misaligned (1.1.16 (c) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel brake spongy, not operating brake (1.1.2 (a)) | 1 |
| Headlamp aim not tested due to both beams not working (4.1.2 (b)) | 1 |
| Rear Brake has no recorded effort at a wheel rear brake not working (1.2.1 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii)) | 1 |
| Shock absorber has a serious fluid leak all 4 (5.3.2 (b)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Throttle operating incorrectly reving under lock (6.2.7 (a) (i)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Brake component insecure [ front brake flexible hose insecure ] (1.1.21 (c)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock wiring interfering. with steering (2.1.4 (c)) | 1 |
| Central Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |