| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 17 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Registration plate lamp issues | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Registration plate issues | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Centre Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 2 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Steering damper ineffective |2.1.2d| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Centre Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Lower Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Centre Front Upper Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Central Front Upper Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Central Front Lower Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Front Direction indicator incorrect colour both o/s & n/s (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Rear Parking brake inoperative on one side both sides inoperative (1.4.1 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Contaminated discs and pads. |5.3.2 |b|| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front All direction indicators incorrect colour Both |4.4.3 |a|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 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 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Centre Front Steering damper in such a condition that the steering action is impaired. |2.1.2d| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake lagging in operation |1.2.1 |d|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Brake hose is likely to be fouled or trapped by moving parts hitting fork tube |3.2.B2c| | 1 |
| Offside Rear Brake hose is likely to be fouled or trapped by moving parts hitting rear spring assembly |3.2.B2c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Rear wheel has a missing wheel bolt|s| |4.2.3a| | 1 |
| Horn not working |1.7.3a| | 1 |