| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Rear reflector missing (4.8.2 (a) (ii)) | 22 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 20 |
| Headlamp aim out of alignment | 14 |
| Front Brake excessively binding (1.2.1 (f)) | 13 |
| Registration plate lamp issues | 12 |
| Horn not working (7.7 (a)) | 8 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 7 |
| Registration plate issues | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| All direction indicators not working (4.4.1 (a) (ii)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Position lamp missing (4.2.1 (a)) | 2 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Position lamp showing white light to the rear plate lamp (4.2.3 (a) (ii)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested not illuminating at all (4.1.2 (b)) | 1 |
| Offside Rear Lower 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 Front Brake disc contaminated making a loud screeching sound when riding,noise from from front brake disc assembly (1.1.14 (b)) | 1 |
| Front Brake caliper insecure Excessive play in front brake caliper mounting. (1.1.16 (c) (i)) | 1 |
| Exhaust has a major leak of exhaust gases Exhaust silencer corroded and blowing. (6.1.2 (a)) | 1 |
| Rear Stop lamp not working Stop lamp not working from front brake. (4.3.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged valve stem damaged (5.2.3 (j)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Central Front Upper Headlamp aim projected beam image obviously incorrect Headlamp on Dip is Main Beam Tell Tale Lit , on Dip Beam Is Main Beam Tell tale out as if on Dip Possibly Incorrectly Fitted Bulb Or Wiring (4.1.2 (c)) | 1 |
| Offside Rear Lower Exhaust has a major leak of exhaust gases Exhaust Holed And Blowing Can Be Heard (6.1.2 (a)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working when rear brake lever applied (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Lower Exhaust system insecure Bolt loose (6.1.2 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Brake fluid not visible leaking brake master (1.1.10 (d) (iii)) | 1 |
| Rear Brake fluid not visible leaking brake master (1.1.10 (d) (iii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Nearside Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Offside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake caliper inadequately mounted top slider not secure (1.1.16 (c) (i)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Stop lamp not working rear brake switch (4.3.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake excessively binding lever pivot adjusted too tight (1.2.1 (f)) | 1 |
| Rear reflector missing obscured by L plate (4.8.2 (a) (ii)) | 1 |
| Rear Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced grab rail loose (6.1.1 (d) (i)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected caliper carrier bush worn excessive movement (1.1.16 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 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 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake master cylinder leaking front brake master cylinder sight glass holed (1.1.10 (b) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working on rear brake control (4.3.1 (a) (ii)) | 1 |
| Central Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected loose on handlebars (6.2.7 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Fuel cap ineffective seal missing. (6.1.3 (b) (i)) | 1 |
| Position lamp switch does not illuminate all position lamps with a single operation switch (4.2.2 (a)) | 1 |
| Nearside Front Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake master cylinder leaking Viewing port glass broken and leaking. (1.1.10 (b) (ii)) | 1 |
| Rear Brake cylinder leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Offside Front Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Headlamp not working on dipped beam Head lamp requires fitting correctly (4.1.1 (a) (ii)) | 1 |
| Headlamp reflector missing PRS Replaced (4.1.1 (b) (ii)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |