| Most common failures | No# failures |
|---|
| Registration plate issues | 9 |
| Registration plate lamp issues | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Headlamp aim out of alignment | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort Rear brake long pedal travel |3.3.A1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling wheel |2.5.1| | 1 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Handlebar deformed |2.1.1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Wheel fixing missing |single fixing| Axle Pinch Bolt Missing. |5.2.1 |a| |ii|| | 1 |
| Offside Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Handlebar fractured |2.1.1b| | 1 |
| Drive chain excessively tight Seized solid due to corrosion!. |6.2.1d| | 1 |
| Direction indicators not working 3 missing, one not working!. |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp light source and lamp not compatible HID |4.1.4 |c|| | 1 |
| Rear Footrest missing Both |6.2.12 |a|| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Nearside Rear Horn not working |7.7 |a| |ii|| | 1 |
| Front Headlamp missing |4.1.1 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Offside Rear 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 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Rear Brake caliper operating mechanism has excessive travel |1.1.16 |e| |i|| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Nearside Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Handlebar so insecure it is likely to become detached throttle & switch (2.2.1 (b) (ii)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Stop lamp not working hand brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Position lamp switch insecure can rotate round and block action of front brake lever (4.2.2 (b)) | 1 |
| Handlebar retaining device missing (2.2.1 (b) (i)) | 1 |
| Nearside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Nearside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fluid leak from fork oil seal. Fork leg damaged (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fluid leak from fork oil seal. Fork leg rusted and pitted (5.3.2 (b)) | 1 |
| Offside Front Upper Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Nearside Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear reflector missing Fitted new reflector (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing Both rear footpegs missing. (6.2.12 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied foot lever (1.1.2 (d)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake pedal pivot excessively worn (1.1.1 (b)) | 1 |
| Nearside Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak fork seals leaking (5.3.2 (b)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar deformed to the extent that steering is affected traps hand on tank (2.2.1 (c) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake performance unable to be tested brake not working (1.2.1 (g)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted Removed and fitted correctly (6.1.7 (j) (i)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface covered by learner plate (4.8.1 (a) (ii)) | 1 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |