| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 44 |
| Headlamp aim out of alignment | 42 |
| Registration plate issues | 22 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 22 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 13 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 13 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 12 |
| Throttle operating incorrectly |6.2.1f| | 11 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 8 |
| Drive chain excessively loose |6.2.1d| | 8 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 6 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Offside Rear Direction indicator not working |1.5.1c| | 5 |
| Front wheel bearings are excessively rough |2.3.5b| | 5 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Front suspension has inadequate damping effect. |2.3.6c| | 4 |
| Nearside Rear Footrest missing |6.2.1a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Nearside Front Direction indicator not working |1.5.1c| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Handlebar deformed |2.1.1b| | 3 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Offside Rear Footrest missing |6.2.1a| | 3 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Rear Drive chain excessively loose |6.2.1d| | 3 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 3 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 3 |
| Nearside Steering lock stop ineffective |2.1.3| | 3 |
| Nearside Front Footrest insecure |6.2.1a| | 3 |
| Offside Front Footrest insecure |6.2.1a| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 3 |
| Offside Steering lock stop ineffective |2.1.3| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Offside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Offside Footrest insecure |6.2.1a| | 2 |
| 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| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Nearside Footrest insecure |6.2.1a| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 2 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Stop lamp missing |1.3.3a| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Headlamp insecure (1.2.3b) | 1 |
| Steering movement excessively notchy with the wheel raised (2.2.1b) | 1 |
| Front wheel bearings are excessively rough (2.3.5b) | 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 |
| Fuel system component leaking |7.2.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Offside Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Front suspension assembly component missing |2.3.1| | 1 |
| Nearside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Nearside Front position lamp insecure |1.1.1c| | 1 |
| Offside Front position lamp insecure |1.1.1c| | 1 |
| Centre Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Front Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Offside Front Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Offside Rear Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Shock absorber has a serious fluid leak Both front (5.3.2 (b)) | 1 |
| Centre Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Nearside Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Offside Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Lower Rear suspension component loose |2.4.A.1a| | 1 |
| Direction indicator flashing more than 120 times per minute all indicaters |1.5.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen suspect one bulb might be in wrong and dip and main might be mixed up on switch
|1.6.B.1| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies foot brake
|1.3.1a| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Rear Upper Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Offside Outer Front Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lagging in operation clean brake dust of new pads. sorted. |1.2.1 |d|| | 1 |
| Front Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Throttle operating incorrectly sticking |6.2.1f| | 1 |
| Front Brake disc|s| excessively worn Both |3.2.A1l| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Fairing insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front mudguard can easily contact the wheel |2.3.7| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Brake pipe excessively damaged |3.2.B2a| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Footrest insecure |6.2.1a| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Brake lever cracked |3.1.2c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Centre Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front Shock absorber has a serious fluid leak N/S O/S front fork legs (5.3.2 (b)) | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Drive chain excessively loose |6.2.1d| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake lever |1.3.1a| | 1 |
| Fairings insecure and likely to impede the steering front fairing damaged and insecure |2.1.2e| | 1 |
| Brake performance not tested unable to test due to binding front brake |3.3| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride swinging arm spindle lock nut not appropriate |6.2.1h| | 1 |
| Fuel system component insecure bolt missing from fuel tank |7.2.1b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Front Brake locking device missing |3.2.A1e| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Offside Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Brake hose which buldges both |3.2.B4| | 1 |
| Offside Brake hose fouling insucure |3.2.B3b| | 1 |
| Centre Exhaust excessively deteriorated splitter pipe split |7.1.1a| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort no reserve going to bars
|3.3.A1c| | 1 |
| Offside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Throttle operating incorrectly throttle sticking |6.2.1f| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front position lamp missing |1.1.1a| | 1 |
| Nearside Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Brake component modification unsafe (1.1.21 (d) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| Rear Brake hose excessively twisted |1.1.12 |b| |ii|| | 1 |
| Horn control defective |1.7.2a| | 1 |