| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 42 |
| Headlamp aim out of alignment | 29 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 23 |
| Horn not working (7.7 (a) (ii)) | 17 |
| Horn not working (7.7 (a)) | 13 |
| Registration plate lamp issues | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 12 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 10 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 10 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 9 |
| Stop lamp remains on when the brakes are released | 9 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Registration plate issues | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| All direction indicators not working (4.4.1 (a) (ii)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 6 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Headlamp insecure (4.1.1 (c)) | 5 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Lower Brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Exhaust system insecure (6.1.2 (a)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 2 |
| Brake hose damaged | 2 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake master cylinder leaking fluid leaking from sight/inspection glass (1.1.10 (b) (ii)) | 1 |
| Front All position lamps not working low beam (4.2.1 (a)) | 1 |
| Front Headlamp insecure adjuster missing (4.1.1 (c)) | 1 |
| Front Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect due to headlamp reflector defective (4.1.2 (c)) | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Handlebar grip insecure to handlebar Screw missing from right switchgear causing throttle tube to be insecure. (2.2.1 (d) (ii)) | 1 |
| Front Brake caliper inadequately mounted and braking performance affected bracket bush badly worn (1.1.16 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear control not working (4.3.2 (a) (iii)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Stop lamp not working needs switch. (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam needs bulb. (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam needs bulb. (4.1.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Front Brake lever not releasing correctly and functionality of brakes affected lever sticky in the mount and too much fluid in the resovoir (1.1.2 (b) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Headlamp aim not tested pattern obviously incorrect (4.1.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Horn not working button missing (7.7 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect high is low and low is high. (4.1.2 (c)) | 1 |
| Position lamp showing white light to the rear Number plate light damaged. (4.2.3 (a) (ii)) | 1 |
| Throttle operating incorrectly Switch gear insecure (6.2.7 (a) (i)) | 1 |
| Brake master cylinder leaking Inspection glass damaged (1.1.10 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Offside Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| All direction indicators not working Not flashing (4.4.1 (a) (ii)) | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel Rear break lever (1.1.2 (a)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Stop lamp not working front control (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Fork yoke excessively corroded front suspension patially seized (2.2.2 (d) (i)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Central Front Shock absorber has negligible damping effect seized, no movement (5.3.2 (b)) | 1 |
| Fuel pipe insecure (6.1.3 (a) (i)) | 1 |
| Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Suspension component modified so the suspension is inoperative very stiff (5.3.3 (c) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering centre stand bent comming into contact with road (6.1.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested battery flat unable to start bike (4.1.2 (b)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Central Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective Seal split (6.1.3 (b) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Front Upper Horn not working (7.7 (a)) | 1 |
| Nearside Rear Lower All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working intermitant (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle control mount was loose on bars. (6.2.7 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced dip beam (4.1.4 (a)) | 1 |
| Headlamp light intensity severely reduced main beam (4.1.4 (a)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases blown at head area 1 mounting nut missing (6.1.2 (a)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Inner Horn not working (7.7 (a)) | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Headlamp light source and lamp not compatible no beam pattern (4.1.4 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Brake cylinder damaged and braking performance affected LEVEL GLASS BROKEN (1.1.16 (a) (ii)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect high plus no patern (4.1.2 (c)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swing arm link bolt. (5.3.3 (a) (i)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced painted black (4.4.3 (a)) | 1 |
| Offside Front Direction indicator light intensity significantly reduced painted black (4.4.3 (a)) | 1 |
| Upper Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Front Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no pattern (4.1.2 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no image (4.1.2 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working on right control (4.3.1 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light from rear brake (4.3.3 (a) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (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 |
| Nearside Front Upper Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Rear brake lever comes back to bars for only moderate brake effort (1.1.15 (f)) | 1 |
| Central Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Brake master cylinder leaking rear brake master cylinder sight glass broken and leaking (1.1.10 (b) (ii)) | 1 |
| Headlamp not working on dipped beam replaced bulb (4.1.1 (a) (ii)) | 1 |