| Most common failures | No# failures |
|---|
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 32 |
| Headlamp aim out of alignment | 19 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 19 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 17 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 15 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 14 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Rear Brake disc|s| cracked |3.2.A1g| | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 9 |
| Registration plate issues | 7 |
| Front wheel bearings are excessively rough |2.3.5b| | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Brake disc|s| cracked |3.2.A1g| | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Horn not working |1.7.3a| | 3 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Registration plate lamp issues | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Centre Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp not working rear brake |4.3.1 |a| |ii|| | 1 |
| Brake fluid not visible rear brake |1.1.10 |d| |iii|| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake has no recorded effort at a wheel Handbrake not working. (1.2.1 (a) (ii)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected Steering has notchy steering head bearings |2.2.2 |f| |ii|| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front An item not tested |Manual| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Front suspension assembly component cracked bottom of fork leg |2.3.1| | 1 |
| Offside Front suspension assembly component cracked bottom of fork leg |2.3.1| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Nearside Front suspension assembly component cracked |2.3.1| | 1 |
| Offside Front suspension assembly component cracked |2.3.1| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system clamp broken |7.1.1.c| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear brake binding | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Brake excessively binding front. |1.2.1 |f|| | 1 |
| Brake indicates excessive fluctuation of brake effort rear. |1.2.1 |e|| | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Fuel cap sealing washer torn |7.2.2c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Brake excessively binding both (1.2.1 (f)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Nearside Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Position lamp not working rear light (4.2.1 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp not working front and rear stop lights (4.3.1 (a) (ii)) | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Front Brake component is excessively corroded |3.1.5| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Centre Fork yoke deformed |2.1.1b| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp not working from right hand brake lever (4.3.1 (a) (ii)) | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 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 position lamp incorrect colour |1.1.2a| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Sidecar front position lamp incorrect colour |1.1.2a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front |1.3.1a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp not working does not work when rear brake applied |4.3.1 |a| |ii|| | 1 |
| Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Brake component modification unsafe spring clip not fitted correctly rubbing disc |1.1.21 |d| |i|| | 1 |
| Offside Front Upper Stop lamp not working Front brake lamp switch not working. (4.3.1 (a) (ii)) | 1 |
| Front Valve stem seriously damaged Valve perished and split. (5.2.3 (j)) | 1 |
| Central Upper Riders seat insecure Locking striker missing. (6.2.5 (a) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock Mirror mounts foul with front screen, impeding steering. (2.1.4 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Stop lamp not working Brake lever |4.3.1 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Brake linked system has a seized caliper pivot. |3.2.B5| | 1 |
| Centre Upper Riders seat insecure |6.2.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust has a major leak of exhaust gases exhaust joint silencer/downpipes (6.1.2 (a)) | 1 |