| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 60 |
| Registration plate issues | 25 |
| Registration plate lamp issues | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 9 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 9 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Horn not working |1.7.3a| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Nearside Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Offside Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Chain guard insecure |6.1.7 |i|| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Front Fuel pipe leaking |7.2.1a| | 1 |
| Centre Rear Upper Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Centre Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Lower Rear suspension component cracked |2.4.A.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Footrest insecure pins put in upside down on pillion on both sides |6.2.1a| | 1 |
| Direction indicator not working |1.5.1c| | 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 |
| Offside Tie bar/rod attachment bracket/mounting insecure mid chassis |2.4.G.1| | 1 |
| Radius arm has excessive play in a pin/bush both front |2.4.G.2| | 1 |
| Exhaust system not adequately supported both sides |7.1.1| | 1 |
| Nearside Brake cable insecure |3.5.1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Drive chain so worn it is likely to fail broken link |6.1.7 |c| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Shock absorber has a serious fluid leak Front |5.3.2 |b|| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose on caliper |3.2.A1j| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake pedal attachment screws loose |3.1.2b| | 1 |
| Brake performance not tested |3.3| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 1 |
| Stop lamp not working With front brake. |4.3.1 |a| |ii|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Shock absorber has a serious fluid leak R/H |5.3.2 |b|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.1a) | 1 |
| Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Nearside Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Central Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Nearside Upper Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Horn sound not in accordance with requirements too quiet (7.7 (c)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Nearside Front Inner Horn not working horn not working - appeared to be bad connection - now working (7.7 (a) (ii)) | 1 |
| Central Front Upper Headlamp light intensity severely reduced Incorrect bulb fitted, replaced for correct bulb giving correct beam pattern (4.1.4 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Wheel bearing has excessive play sidecar wheel (5.1.3 (a) (i)) | 1 |
| Offside Wheel excessively distorted sidecar wheel (5.2.2 (c) (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 |
| Offside Front Brake caliper inadequately mounted Caliper bolt missing (1.1.16 (c) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Fuel system component leaking Fuel tap (6.1.3 (b) (i)) | 1 |
| Offside Rear Upper Direction indicator 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 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |