| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Horn not working |1.7.3a| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear suspension bearing has excessive free play Swinging arm. |2.4.A2a|i|| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Lock nut missing from prop stand pivot bolt. |6.2.1h| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Direction indicator not working Front left |4.4.1 |a| |ii|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Handlebar mounting clamp loose handle bars can move independently from the suspension fork |2.1.1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Brake component inadequately mounted torque arm locking splitpin missing |1.1.21 |c|| | 1 |
| Rear Rear suspension bearing has excessive free play Swing arm |2.4.A2a|i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Front Footrest missing |6.2.12 |a|| | 1 |
| Suspension arm pin or bush excessively worn bush |5.3.4 |a| |i|| | 1 |
| Steering linkage insecure to the extent there is excessive movement at the mountings |2.1.3 |a| |ii|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Registration plate issues | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Footrest missing Pillion |6.2.1a| | 1 |
| Offside Footrest missing Pillion |6.2.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Drive Chain |6.2.1h| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Rear shock absorber insecurely mounted missing |2.4.A.3b| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Central Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Front Footrest insecure rubber worn, upside down, bent rearwards |6.2.1a| | 1 |
| Rear Motorcycle structure adversely modified rack fitted with exposed sharp edges |6.1.1b| | 1 |
| Motorcycle structure excessively damaged center stand bent & hanging low, hits ground easily |6.1.1a| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing lock pin missing |3.2.A1j| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear suspension bush has excessive free play swing arm bushes |2.4.A2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Central Rear Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Suspension attachment bracket/mounting insecure Adjuster bent (5.3.3 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Horn not working button missing (7.7 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls intermittently works when rear brake is applied (faulty switch) (4.3.2 (a) (iii)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy on L/h steering lock (2.2.2 (f) (i)) | 1 |
| Forks excessively deformed fork/yoke bent wheel rubbing on body panel (2.2.2 (d) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Forks in such a condition that steering control is adversely affected steering stiff with wheel on floor,metal can heard rubbing. (2.2.2 (d) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort rolling road and road test makes the front lever pulse under braking (1.2.1 (e)) | 1 |