| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 19 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Headlamp aim out of alignment | 6 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 6 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Registration plate issues | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Brake lagging in operation (1.2.1 (d)) | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Offside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| All direction indicators not working (4.4.1 (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 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Stop lamp not working front lever (4.3.1 (a) (ii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Front Upper Stop lamp not working handlebar brake switch faulty (4.3.1 (a) (ii)) | 1 |
| Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake cable damaged |1.1.15 |a|| | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Headlamp aim not tested no beam pattern |4.1.2 |b|| | 1 |
| Headlamp aim not tested light has no pattern or focus (4.1.2 (b)) | 1 |
| Brake caliper insecure missing securing nut on front brake (1.1.16 (c) (i)) | 1 |
| Brake grabbing severely rear brake has 50% travel then almost locks on application (1.2.1 (c)) | 1 |
| Shock absorber has negligible damping effect rear - no damping, excessive spring (5.3.2 (b)) | 1 |
| Brake pedal is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake disc contaminated Fork oil (1.1.14 (b)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Brake disc insecure |1.1.14 |a| |ii|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Offside Headlamp insecure bulb |1.2.3b| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Brake lever has restricted free movement |1.1.15 |e|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 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 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Forks excessively corroded |2.2.2 |d| |i|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Central Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Riders seat insecure catch missing |6.2.5 |a| |ii|| | 1 |
| Steering headbearing has excessive wear or free play ********** MAY NOT ADJUST ************** |2.2.2 |f| |i|| | 1 |
| Front Valve stem seriously damaged perished |5.2.3 |j|| | 1 |
| Rear All position lamps not working and front |4.2.1 |a|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Throttle operating incorrectly THROTTLE STICKING ON |6.2.7 |a| |i|| | 1 |
| Brake lever pivot has excessive free play Locking nut missing |1.1.1 |b|| | 1 |
| Offside Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Drive belt guard insecure |6.1.7 |i|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Forks excessively corroded Both front |2.2.2 |d| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal leaking |5.3.2 |b|| | 1 |
| Exhaust system insecure mounting bolt missing |6.1.2 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear control inoperative (4.3.2 (a) (iii)) | 1 |
| Central Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Central Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Motorcycle structure is so deformed it is likely to adversely affect braking or steering rer wheel hugger broken and resting on wheel (6.1.1 (a) (ii)) | 1 |
| Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Roller brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Central Front Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn susp bushes excessive play rear end movement (5.3.4 (a) (i)) | 1 |
| Rear Brake lever pivot has excessive free play |1.1.1 |b|| | 1 |
| Rear Suspension component mounting has an unsafe modification engine suspension mount bush (5.3.3 (c) (i)) | 1 |
| Suspension component mounting modified so the suspension is inoperative front forks not damping (5.3.3 (c) (ii)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Exhaust has a major leak of exhaust gases at front part connector (6.1.2 (a)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Engine mounting/bracket excessively loose top (6.1.8 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Rear Wheel hub worn to the extent that wheel security is adversely affected (5.2.1 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake switch (4.3.2 (a) (iii)) | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Brake cable damaged Broken (1.1.15 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Headlamp aim not tested low beam not working (4.1.2 (b)) | 1 |
| Headlamp aim not tested dipped head lights not working correctly. (4.1.2 (b)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Upper Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Upper Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Fuel cap ineffective seal perished (6.1.3 (b) (i)) | 1 |
| Nearside Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Offside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel fractured valve excessively split |5.2.2 |a|| | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Registration plate lamp issues | 1 |