| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 31 |
| Headlamp aim out of alignment | 30 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 26 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 20 |
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 13 |
| Registration plate issues | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Registration plate lamp issues | 7 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Valve stem seriously damaged valve stem missing |5.2.3 |j|| | 1 |
| Rear Stop lamp not working not working from front brake lever |4.3.1 |a| |ii|| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Centre Rear Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front mudguard insecure nearside rear bolt missing |2.3.7| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| An item not tested |Manual| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Front An item not tested |Manual| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies brake lever does not activate stop lamp |1.3.1a| | 1 |
| Front Exhaust is leaking and excessively noisey at header pipes |7.1.1b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Brake lever has inadequate reserve travel Needs bleeding. |3.1.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies On front brake |1.3.1a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear suspension bearing has excessive free play swing arm |2.4.A2a|i|| | 1 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front Front wheel spindle loose |2.3.5a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Central Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Brake component is fractured |3.1.5| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front wheel bearings have excessive free play (2.3.5b) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Position lamp switch allows the rear position lamp to be switched off when the headlamp(s) are on (4.2.2 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Wheel spindle loose PINCH BOLT MISSING (5.2.1 (c) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Upper Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Lower Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Upper Brake hose connection leaking (1.1.12 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake excessively binding lever not fully releasing (1.2.1 (f)) | 1 |
| Rear Brake excessively binding lever not fully releasing (1.2.1 (f)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn not working wire off (7.7 (a)) | 1 |
| Front Brake lagging in operation sliders partially siezed (1.2.1 (d)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |