| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 50 |
| Registration plate issues | 29 |
| Rear reflector on motorcycle missing |1.4.1| | 27 |
| Horn not working |1.7.3a| | 17 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 10 |
| Riders seat insecure |6.2.1a| | 10 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Rear Wheel spoke excessively loose |4.2.1b| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| 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| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 5 |
| Nearside Rear Direction indicator not working |1.5.1c| | 5 |
| Nearside Front Direction indicator not working |1.5.1c| | 4 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 4 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 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 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| 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|| | 2 |
| Brake locking device missing |3.2.A1e| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Rear Brake locking device missing |3.2.A1e| | 2 |
| Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Riders seat insecure |6.2.1a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Centre Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Offside Rear Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front Steering component deformed and unserviceable |2.2.C.1d| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Direction indicator insecure |1.5.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn missing |1.7.1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Front An item not tested |Manual| | 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 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Throttle operating incorrectly Sticking On |6.2.1f| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Central Rear Lower Wheel spoke excessively loose |4.2.1b| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Centre Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Front Lower Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Direction indicators not working R/H |1.5.1c| | 1 |
| Offside Front Footrest missing |6.2.1a| | 1 |
| Motorcycle structure adversely modified |6.1.1b| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 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 |
| Rear Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced swinging arm severely holed and corroed |6.1.1 |c| |i|| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Wheel spoke excessively loose multiple spokes loose |5.2.2 |d|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Wheel alignment incorrect which adversely affects the steering FRONT FORKS, HANDLE BARS, HEADLIGHT OUT OF LINE |2.5.1| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear Lower Sub-frame attachment bracket/mounting bolt missing |2.4.G.1| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside 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 Rear Footrest insecure |6.2.1a| | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected When Going To Full Lock On Off Side.
The Motorcycle Engine Revs Up. |6.2.7 |a| |ii|| | 1 |
| Nearside Rear Wheel spoke cracked |5.2.2 |d|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Central Rear Upper Stop lamp remains on when the brake is released loose connection |1.3.1e| | 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 |
| Upper Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Brake clevis joint insecure |1.1.15 |c|| | 1 |
| Rear wheel spindle securing nut locking device missing split pin missing |2.4.A.2b| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Centre Front Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Front Upper Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Upper Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering column top bearing excessively worn (2.2.2 (b)) | 1 |
| Front Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure Brake disc locking tabs not fitted correctly (6.1.1 (b) (i)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Shock absorber has a serious fluid leak both front forks (5.3.2 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake component insecure Brake torque arm split pin missing (1.1.21 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |