| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 59 |
| Rear reflector missing (4.8.2 (a) (ii)) | 53 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 25 |
| Registration plate issues | 24 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 17 |
| Registration plate lamp issues | 11 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 7 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| 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)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear Brake disc contaminated (1.1.14 (b)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| 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)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working rear brake does not illuminate (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Upper Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Front Direction indicator missing note fairing panel missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing fairng panel missing (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp not working from rear brake (4.3.1 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Throttle operating incorrectly Sticking due to lever guard. (6.2.7 (a) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Footrest insecure FR/N/S (6.2.12 (a)) | 1 |
| Drive chain so worn it is likely to fail alot of very siezed links (6.1.7 (c) (ii)) | 1 |
| Rear Stop lamp not working Not Working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested no dip beam (4.1.2 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Valve stem seriously damaged excessively perished (5.2.3 (j)) | 1 |
| Rear Wheel fixing missing (single fixing) axle spacer missing (5.2.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Drive chain worn to excess HAS TIGHT (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel fixing loose (multiple fixings) os and ns spindle locking device loose (5.2.1 (a) (i)) | 1 |
| Nearside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Motorcycle structure has a fracture which is likely to adversely affect braking or steering FRAME FRACTURED IN MULTIPLE PLACES (6.1.1 (a) (ii)) | 1 |
| Engine mounting/bracket bracket missing (6.1.8 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted adjuster missing (6.1.7 (j) (i)) | 1 |
| Front Brake grabbing severely FRONT CANT BE APPLIED SMOOTHLY (1.2.1 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned MUST BE 180mm APART LENSE TO LENSE (4.4.3 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Offside Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Drive chain so worn it is likely to fail Chain link split (6.1.7 (c) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Drive chain excessively tight ADJUSTED DURING TEST (6.1.7 (k) (i)) | 1 |
| Rear Rear reflector missing FITTED DURING TEST (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing rear pegs removed and pillion seat pad still fitted (6.2.12 (a)) | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Drive chain excessively tight Links siezed (6.1.7 (k) (i)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Lower Suspension attachment bracket/mounting insecure Fork clamp bolts loose (5.3.3 (a) (i)) | 1 |
| Rear Footrest missing no rear foot pegs but has the pillion seat still on (6.2.12 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Footrest missing broken mssing half (6.2.12 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned minimum distance between lamps (180mm) too small (4.4.3 (a)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |