| Most common failures | No# failures |
|---|
| Registration plate issues | 36 |
| Headlamp aim out of alignment | 28 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 11 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| 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| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 5 |
| Horn not working |1.7.3a| | 5 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Registration plate lamp issues | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Offside Front Footrest insecure |6.2.1a| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Direction indicator missing |1.5.1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Handlebar excessively corroded |2.1.1b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Suspension component pin or bush excessively worn swinging arm pivot |5.3.4 |a| |i|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Central Front Position lamp not working LOOSE CONNECTION |4.2.1 |a|| | 1 |
| Central Front Dipswitch does not deflect the main beam/s, making them into dipped beam/s HEADLIGHT BULB WIRED UP WRONG, WHEN HEADLIGHT ON DIP BEAM ITS ILLUMINATING THE MAIN BEAM BLUE LIGHT |1.2.2b|ii|| | 1 |
| Central Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp flickers when tapped lightly by hand |1.3.1d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Horn missing |1.7.1| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Offside Front Brake lever insecure |3.1.2a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Drive belt fouling another component |6.2.1d| | 1 |
| Offside Rear Drive belt guard fouling another component |6.2.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Stop lamp not working Foot brake operated lamp |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp missing |1.2.3a| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements Not heard when engine running |7.7 |c|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake locking device missing Splitpin missing rear brake linkage |3.2.A1e| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel spindle securing nut locking device missing No split pin |2.4.A.2b| | 1 |
| Offside Rear 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 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Brake lever |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Foot pedal |1.3.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Nearside Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Nearside Rear Lower Footrest insecure |6.2.1a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Wheel spoke excessively loose (4.2.1b) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake hose connection leaking (1.1.12 (c)) | 1 |
| Rear Position lamp not working Tail lamp inop (4.2.1 (a)) | 1 |
| Front Shock absorber has a serious fluid leak Forks (5.3.2 (b)) | 1 |
| Suspension component pin or bush excessively worn Swingarm (5.3.4 (a) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar turning on handle bar. (2.2.1 (d) (ii)) | 1 |
| Shock absorber has a serious fluid leak both front fork seals leaking. (5.3.2 (b)) | 1 |
| Offside Front Shock absorber insecurely attached bottom of fork leg sliding side to side on spindle. (5.3.2 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber insecurely attached split pin missing (5.3.2 (a) (i)) | 1 |
| Handlebar mounting insecure handlebars loose (2.2.1 (a) (i)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Direction indicator not working R/H/R indicator not working (4.4.1 (a) (ii)) | 1 |