| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 33 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 12 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Registration plate issues | 11 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Horn not working |1.7.3a| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Fuel system component leaking |7.2.1a| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Offside 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 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Brake performance not tested |3.3| | 2 |
| Horn is not continous or uniform |1.7.3c| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Fuel tank leaking |7.2.1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Registration plate lamp issues | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Fuel system component leaking carb |7.2.1a| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Centre Sidecar attachment insecure |5.1.A.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Lower Brake reaction bracket securing bolt|s| loose lower link arm loose |3.2.A1j| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Inner Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Brake lever excessively corroded |3.2.A1c| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Upper Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Nearside Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Fuel system component leaking |7.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 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 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Handlebar mounting clamp loose l/h handlebar loose |2.1.1a| | 1 |
| Handlebar mounting clamp loose r/h handlebar loose |2.1.1a| | 1 |
| Indicator switch insecure switch gear loose |1.5.4| | 1 |
| Brake pipe union leaking fluid front brake |3.2.B4| | 1 |
| Brake lever has inadequate reserve travel front |3.1.3b| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 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 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced under side of swinging arm corroded |6.1.1 |c| |i|| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Motorcycle structure cracked |6.1.1a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Inner Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Upper Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Direction indicator insecure |1.5.3b| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort Disc warped |3.3.A1d| | 1 |
| Front Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Centre Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 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 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear An item not tested |Manual| | 1 |
| An item not tested |Manual| | 1 |
| Offside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |