| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 7 |
| Headlamp aim out of alignment | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| All direction indicators light intensity significantly reduced all |4.4.3 |a|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Registration plate issues | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering lock stop missing left lock |2.1.3| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain circlip fitted wrong direction |6.2.1h| | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicator likely to become detached indicator is detached . hanging on wire |4.4.1 |c| |ii|| | 1 |
| Central Rear Stop lamp not working front control |4.3.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Fuel system component leaking carburetor leaking |6.1.3 |b| |i|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Central Front Fork yoke excessively deformed forks twisted in yolks |2.2.2 |d| |i|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Offside Rear Footrest insecure Securing clip missing. |6.2.1a| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake component modification unsafe (1.1.21 (d) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal |5.3.2 |b|| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Shock absorber has an excessively worn bush Lower bushing |5.3.2 |c|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake performance not tested (1.2.1 (g)) | 1 |
| Front Wheel spindle locking device missing On N/S/F shock absorber (5.2.1 (d)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies brake |1.3.1a| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |