| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 41 |
| Rear reflector on motorcycle missing |1.4.1| | 26 |
| Registration plate issues | 18 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Horn not working |1.7.3a| | 11 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Riders seat insecure |6.2.1a| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Direction indicators not working |1.5.1c| | 4 |
| Fuel system component insecure |7.2.1b| | 4 |
| Front suspension has inadequate damping effect. |2.3.6c| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 4 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Nearside Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Offside Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Chain guard insecure |6.2.1c| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Nearside Front Brake disc|s| excessively pitted |3.2.A1l| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Headlamp light intensity severely reduced DIP |4.1.4 |a|| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Rear Brake locking device missing |3.2.A1e| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake reaction bracket insecure bolt insecure no locking device |3.2.A1j| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Front Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Nearside Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded front brake sticking |3.2.A1h| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Outer Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator light intensity significantly reduced |4.4.3 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| An item not tested |Manual| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Rear Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Offside Rear Lower Brake lever so insecure that the brake cannot be readily applied |1.1.2 |e| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected idle speed increases when handle bars turned |6.2.7 |a| |ii|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Shock absorber has a serious fluid leak both front fork legs are leaking |5.3.2 |b|| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| Rear Wheel spoke excessively corroded |4.2.1b| | 1 |
| Rear Inner Direction indicator not working |1.5.1c| | 1 |
| Rear Outer 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 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Forks modification unsafe FORK BRACE UNSAFE, BROKEN AND WRONG TYPE |2.2.2 |e|| | 1 |
| Brake hose damaged | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Upper Front suspension assembly component loose |2.3.1| | 1 |
| Brake locking device insecure rear brake supporting bar insecure |3.2.A1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear sprocket lock tabs |6.2.1h| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Fuel system component leaking sticking float bowl |7.2.3| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Rear sprocket nuts loose. |6.2.1h| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Direction indicators not working wiring loose. sorted. |1.5.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Offside Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Offside Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Chain guard insecure |6.1.7 |i|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Direction indicators not working |1.5.1c| | 1 |
| Centre Front Direction indicators not working |1.5.1c| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Handlebar fractured |2.1.1b| | 1 |
| Rear Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Registration plate lamp issues | 1 |
| Front Brake caliper operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Rear Brake caliper inadequately mounted fouling rear disc (1.1.16 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling too far left when sitting on machine (2.4 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Nearside Front Lower Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Nearside Front Lower Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Central Front Lower Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Central Rear Lower Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Drive chain sprocket excessively loose LOCKING TABS NOT FITTED CORRECTLY ON REAR SPROCKET (6.1.7 (c) (i)) | 1 |
| Nearside Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Offside Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition SILENCER TO PIPE GASKET NOT FITTED (8.1.1 (a)) | 1 |