| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate lamp issues | 9 |
| Stop lamp remains on when the brakes are released | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| 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 Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Suspension arm ball joint excessively worn engine mounting bush |5.3.4 |a| |i|| | 1 |
| Rear Stop lamp not working brake switch replaced (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Engine mounting/bracket damaged or deteriorated resulting in excessive movement Frame/engine mount colapsed (6.1.8 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Indicator switch inoperative The switch is not working correctly. You have to hold it on for the idicators to remain flashing. (4.4.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working Working on the wrong side (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working Working on the wrong side (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Rear Brake lever pivot has excessive free play |1.1.1 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Steering linkage component insecure (2.1.3 (a) (i)) | 1 |
| Nearside Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Central Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp not working control brake 1 (front brake) (4.3.1 (a) (ii)) | 1 |
| Front Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam headlight lamp replaced (4.1.1 (a) (ii)) | 1 |
| Rear Engine mounting/bracket bracket fractured |6.1.8 |a| |ii|| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim not tested no low beam (4.1.2 (b)) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working front lever |4.3.1 |a| |ii|| | 1 |
| Nearside Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Front Stop lamp switch with a delay in operation switch broken at front lever (4.3.2 (a) (ii)) | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock steering lock stop broken and allowing steering to foul on bodywork. (2.1.4 (b)) | 1 |
| Front Brake disc significantly and obviously worn front disc replaced (1.1.14 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle returning slowly. (6.2.7 (a) (ii)) | 1 |
| Rear Brake cable has restricted free movement Rear brake cable stiff and hard to pull. (1.1.15 (e)) | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 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 |
| Rear Motorcycle structure is deformed and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |