| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 35 |
| Headlamp aim out of alignment | 23 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 16 |
| Registration plate lamp issues | 14 |
| Stop lamp remains on when the brakes are released | 13 |
| Registration plate issues | 12 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 11 |
| Rear reflector missing |4.8.2 |a| |ii|| | 10 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| 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)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 3 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Chain guard insecure (6.1.7 (i)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Footrest missing (6.2.12 (a)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Footrest insecure (6.2.12 (a)) | 2 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Central Rear Lower Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Nearside Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Offside Front Upper Brake master cylinder insecure |1.1.10 |c|| | 1 |
| Central Front Lower Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Rear Lower Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort 50% |1.2.1 |e|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Offside Rear Lower Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Rear Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 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 |
| Nearside Footrest insecure |6.2.12 |a|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Brake lever excessively worn broken |1.1.15 |b|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected rev rise when on right lock |6.2.7 |a| |ii|| | 1 |
| Footrest missing both pillion |6.2.12 |a|| | 1 |
| Offside Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear reflector missing behind l plate |4.8.2 |a| |ii|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Number plate hanger insecure (6.1.1 (b) (i)) | 1 |
| Nearside Front Footrest missing (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Footrest missing Pillion footrests missing. (6.2.12 (a)) | 1 |
| Rear Wheel hub excessively damaged (5.2.1 (b) (i)) | 1 |
| Front Brake caliper insecure bolt missing (1.1.16 (c) (i)) | 1 |
| Offside Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected NEEDS TO BE A LOCKING NUT ON THE SPINDLE (5.2.1 (c) (ii)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket excessively loose two bolts missing from rear sprocket (6.1.7 (c) (i)) | 1 |
| Front Brake disc contaminated fork oil (1.1.14 (b)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected front bolt missing, caliper fouling disk (1.1.16 (c) (ii)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Offside Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake excessively binding rear caliper mounting bush missing (1.2.1 (f)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Brake caliper damaged and braking performance affected (1.1.16 (a) (ii)) | 1 |
| Central Rear Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen no image (4.1.2 (a)) | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen no image (4.1.2 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Suspension component ball joint likely to become detached (5.3.4 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Stop lamp not working front brake light switch (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc fractured just starting to crack in a few places (1.1.14 (a) (ii)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Nearside Upper Fork yoke modification unsafe (2.2.2 (e)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear Brake effort inadequate at a wheel Bleed brake and adjust (1.2.1 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak forks (5.3.2 (b)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Front Direction indicator not working Both (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Rear 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 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Central Front Steering operation restricted in free movement from lock to lock wiring loom fouling (2.1.4 (c)) | 1 |
| Rear Brake component insecure brake fluid resevoiur (1.1.21 (c)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Rear Suspension component mounting modified so the suspension is likely to fail other components (5.3.3 (c) (ii)) | 1 |
| Brake disc contaminated with oil (1.1.14 (b)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear Wheel more than one fixing loose wheel adjusters (5.2.1 (a) (ii)) | 1 |
| Offside Front Handlebar deformed to the extent that steering is affected traps hand to tank on full lock (2.2.1 (c) (ii)) | 1 |
| Offside Front Brake master cylinder insecure one master cylinder reservoir cap retaining screw missing (1.1.10 (c)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Upper Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Offside Front Upper Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - replaced as necessary (4.8.2 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock Clutch cable routing (2.1.4 (c)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Lower Footrest missing rear / pillion foot rests - missing (6.2.12 (a)) | 1 |
| Front Lower Footrest insecure front footrests not correct fitment. (6.2.12 (a)) | 1 |
| Front 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 Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working Front brake switch (4.3.1 (a) (ii)) | 1 |
| Offside Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect o/s and n/s (4.1.2 (c)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working loose wire (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake switch inoperative (4.3.2 (a) (iii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort Rear brake disc warped (1.2.1 (e)) | 1 |
| Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Front Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working ON REAR BAKE (4.3.1 (a) (ii)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Central Front Exhaust has a major leak of exhaust gases Cracked Exhaust header pipe blowing Excessively (6.1.2 (a)) | 1 |
| Offside Front Handlebar grip insecure to handlebar Throttle grip insecure (2.2.1 (d) (ii)) | 1 |
| Front Brake excessively binding Front brake excessively binding (1.2.1 (f)) | 1 |