| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 49 |
| Headlamp aim out of alignment | 37 |
| Stop lamp remains on when the brakes are released | 31 |
| Registration plate issues | 15 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 14 |
| Stop lamp not working (4.3.1 (a) (ii)) | 12 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 11 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 5 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Riders seat insecure (6.2.5 (a) (ii)) | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Front Position lamp not working Both (4.2.1 (a)) | 3 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Rear Stop lamp not working control (4.3.1 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 2 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Riders seat insecure |6.2.5 |a| |ii|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Nearside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Fork yoke insecure |2.2.2 |d| |i|| | 1 |
| Rear Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Wheel fixing loose |multiple fixings| |5.2.1 |a| |i|| | 1 |
| Nearside Front Direction indicator light intensity significantly reduced covered (4.4.3 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake drum significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Motorcycle structure inadequately repaired such that it is likely to adversely affect braking or steering (6.1.1 (d) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp missing no lights |4.1.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Riders seat insecure not locking (6.2.5 (a) (ii)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied control |1.1.2 |e| |ii|| | 1 |
| Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front Stop lamp not working not operating from switch (4.3.1 (a) (ii)) | 1 |
| Inner Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp not working N/S Lever (4.3.1 (a) (ii)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Valve stem seriously damaged perished/splitting (5.2.3 (j)) | 1 |
| Horn not working horn button does not work every time it is pressed, switch faulty (7.7 (a)) | 1 |
| Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake lever has insufficient reserve travel Rear (1.1.2 (a)) | 1 |
| Wheel bearing has excessive play Front (5.1.3 (a) (i)) | 1 |
| Wheel bearing rough when rotated Front (5.1.3 (b) (i)) | 1 |
| Wheel bearing has excessive play Rear - Check wheel to hub fitment (5.1.3 (a) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Horn not working horn repaired (7.7 (a) (ii)) | 1 |
| Stop lamp not working Rear brake lever switch (4.3.1 (a) (ii)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Stop lamp not working F&R (4.3.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both front seals leaking (5.3.2 (b)) | 1 |
| Offside Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Sidecar wheel alignment has excessive vertical misalignment which adversely affects the handling of the combination (2.4 (d)) | 1 |
| Front Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Nearside Front Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Rear Brake lever excessively worn (1.1.15 (b)) | 1 |
| Rear Shock absorber has negligible damping effect single rear unit. no damping whatsoever (5.3.2 (b)) | 1 |
| Nearside Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Stop lamp does not illuminate immediately a brake applies from front leaver |1.3.1a| | 1 |
| Stop lamp not working control 1 and 2 (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working both controls |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working BOTH CONTROLS |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake light (4.3.2 (a) (iii)) | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Stop lamp not working no brake light when using front and rear brake |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Nearside Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |