| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Horn not working |1.7.3a| | 9 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Headlamp aim out of alignment | 8 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Registration plate issues | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Horn not working intermitant (7.7 (a)) | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Brake lever has inadequate reserve travel rear brake lever has to much travel, adjusted up ok now |3.1.3b| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp lens seriously defective |4.1.1 |b| |ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Direction indicators flashing less than 60 times a minute at idle speed |1.5.1c| | 1 |
| Direction indicators affected by the operation of another lamp stop flashing when brake is applied or high beam is switched on |1.5.1c| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Rear suspension bush excessively deteriorated bottom suspension arm |2.4.A2a|i|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Offside Front Lower Brake excessively binding caliper pistons sticking on rectified |1.2.1 |f|| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Brake caliper has no reserve travel and braking performance affected brake seized |1.1.16 |e| |ii|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Rear Valve stem seriously damaged leaking air, like to fail 120 70 12 (5.2.3 (j)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen no pattern (4.1.2 (a)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Nearside Brake lever has insufficient reserve travel rear brake lever (1.1.2 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Steering operation impeded by a fairing |2.1.4 |e|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam front |1.2.2a|i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Headlamp not working on dipped beam headlamp lamp (4.1.1 (a) (ii)) | 1 |
| Front Wheel hub worn to the extent that wheel security is adversely affected worn wheel bearings (5.2.1 (b) (ii)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear suspension movement is excessively stiff LOCKED SUSPENSION STANCHIONS |2.4.A.3b| | 1 |
| Front Front position lamp incorrect colour replaced bulb |1.1.2a| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Registration plate lamp issues | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Brake performance not tested |3.3| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy notchy in centre position (2.2.2 (f) (i)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Throttle operating incorrectly Handlebar grip loose (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak nearside fork seal leaking (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak offside fork seal leaking (5.3.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |