| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Brake grabbing severely |1.2.1 |c|| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Roller brake test indicates a binding brake Front |3.3.A1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Direction indicators not working lens missing |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute all |1.5.1c| | 1 |
| Nearside Lower Front suspension assembly component missing yoke bolt missing |2.3.1| | 1 |
| Front Brake performance not tested FRONT BRAKE JAMMED ON |3.3| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake indicates excessive fluctuation of brake effort RH front disc bent |1.2.1 |e|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal failure |5.3.2 |b|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Horn missing |1.7.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Central Front Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Drive chain excessively loose also requires lubriication |6.2.1d| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Front Brake hose leaking |1.1.12 |c|| | 1 |
| Fuel tank insecure |6.1.3 |a| |i|| | 1 |
| Fuel tank leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Offside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Rear Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Offside Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking (no free play) (6.2.7 (a) (ii)) | 1 |
| Front Position lamp not working bulb and holder not fitted in haedlamp (4.2.1 (a)) | 1 |
| Offside Rear Suspension arm attachment bracket/mounting insecure rear main chain adjuster clamp bolt loose (5.3.3 (a) (i)) | 1 |
| Central Front Stop lamp not working front brake light not working (4.3.1 (a) (ii)) | 1 |
| Front Horn not working horn not working (7.7 (a) (ii)) | 1 |
| Front Fuel cap ineffective fuel cap seal inafective (6.1.3 (b) (i)) | 1 |
| Front Brake excessively binding front brake s binding (1.2.1 (f)) | 1 |
| Rear brake binding | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Shock absorber has negligible damping effect front (5.3.2 (b)) | 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 Brake grabbing severely (1.2.1 (c)) | 1 |
| Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working on either front or rear levers (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect suspension seized (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front switch (4.3.2 (a) (iii)) | 1 |
| Suspension arm pin or bush excessively worn lower dog leg front bush (5.3.4 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Fuel system component leaking from carb (6.1.3 (b) (i)) | 1 |
| Nearside Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel system component leaking Fuel leaking from carburetors (6.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal leaking (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal leaking (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |