| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 22 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 21 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 21 |
| Headlamp aim out of alignment | 20 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 16 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 15 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 12 |
| Drive chain excessively loose |6.2.1d| | 12 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 12 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Registration plate issues | 9 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 8 |
| Headlamp aim beam image kick up to the offside |1.6| | 7 |
| Horn not working |1.7.3a| | 7 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 6 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Registration plate lamp issues | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Exhaust excessively deteriorated |7.1.1a| | 5 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 5 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 4 |
| Rear Brake locking device missing |3.2.A1e| | 4 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Nearside Front Direction indicator not working |1.5.1c| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Chain guard insecure |6.2.1c| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 2 |
| Brake locking device missing |3.2.A1e| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Brake hose damaged | 2 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear mono-shock pivot seized |2.4.B.4| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Handlebar deformed |2.1.1b| | 2 |
| Front An item not tested |Manual| | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Steering operation linkage fouling when handlebars turned from lock to lock Wiring hanging loose (2.1.4 (a)) | 2 |
| Rear An item not tested |Manual| | 2 |
| Front Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Front Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| 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 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Central Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front Lower Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Handlebar so insecure it is likely to become detached Loose in the clamp (2.2.1 (b) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Centre Lower Fuel system component leaking |7.2.1a| | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Rear Lower Drive chain excessively tight |6.2.1d| | 1 |
| Centre Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake disc|s| insecure |3.2.A1g| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Offside Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 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 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp not working foot |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake performance not tested front brake binding too much for roller test (1.2.1 (g)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Rear Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear suspension bearing excessively deteriorated |2.4A.2a|i|| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffles fitted (8.1.1 (a)) | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock Throttle cable too tight on left lock (2.1.4 (c)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Direction indicator obscured |1.5.1a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake fluid reservoir leaking hydraulic fluid hose from bottle to cylinder |3.2.B1e| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Centre Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Centre Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Rear brake arm split pin missing |6.2.1h| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake performance not tested performance not tested due to excessively binding calipers (1.2.1 (g)) | 1 |
| Rear Brake performance not tested no hydraulic pressure on pedal (1.2.1 (g)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake component inadequately mounted rear brake torque arm front fixing bolt security split pin missing (1.1.21 (c)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure ignition switch/steering lock fixing bolt missing--insecure (6.1.1 (b) (i)) | 1 |
| Fuel tank leaking fuel leak around fixing of fueltap (6.1.3 (b) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases exhaust not inspected as engine not running (6.1.2 (a)) | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Fuel system component leaking Fuel tap |7.2.1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Lower Rear mono-shock insecure |2.4.B.4| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Fuel tank leaking |7.2.1a| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Direction indicator not working off side (4.4.1 (a) (ii)) | 1 |
| Rear Direction indicator not working off side (4.4.1 (a) (ii)) | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Front Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Position lamp light intensity significantly reduced bulb hanging out (4.2.3 (a) (ii)) | 1 |
| Nearside Front Upper Direction indicator insecure |1.5.3b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |