| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 34 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 22 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Registration plate issues | 4 |
| Horn not working |1.7.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Riders seat insecure |6.2.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering damper insecure |2.1.2d| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Offside Front Lower Front suspension assembly component missing |2.3.1| | 1 |
| Nearside Front Lower Front suspension assembly component missing |2.3.1| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Offside Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Position lamp switch insecure |1.1.4b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Fuel system component leaking |7.2.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Central Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Central Front Inner Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Fuel tank leaking |6.1.3 |b| |i|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Central Front Headlamp missing |4.1.1 |a| |ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Sidecar attachment insecure |5.1.1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Offside Fuel hose leaking |7.2.1a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering damper in such a condition that the steering action is impaired. |2.1.2d| | 1 |
| Brake hose fouling |3.2.B3b| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Sidecar wheel bearings are excessively rough |5.2.3d| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Steering damper insecure (2.1.4 (d) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Exhaust system insecure (6.1.2 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Lower Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure gear lever bolt (6.1.1 (b) (i)) | 1 |
| Nearside Front Motorcycle structure joining/attachment plate or fastening insecure footrest plate (6.1.1 (b) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure stand bolt (6.1.1 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |