Most common failures | No# failures |
---|
Headlamp aim out of alignment | 132 |
Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 52 |
Drive chain excessively loose |6.2.1d| | 42 |
Drive chain worn to excess |6.2.1e| | 19 |
Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
Rear Drive chain sprocket worn to excess |6.2.1e| | 12 |
Rear Roller brake test indicates a binding brake |3.3.A1a| | 12 |
Drive chain excessively loose (6.1.7 (c) (i)) | 12 |
Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 11 |
Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
Registration plate issues | 11 |
Stop lamp remains on when the brakes are released | 10 |
Drive chain excessively tight |6.2.1d| | 9 |
Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 9 |
Drive chain worn to excess |6.1.7 |c| |i|| | 9 |
Rear Position lamp not working (4.2.1 (a)) | 9 |
Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
Wheel alignment incorrect which adversely affects the handling |2.5.1| | 8 |
Drive chain sprocket worn to excess |6.2.1e| | 8 |
Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 8 |
Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
Rear suspension bush has excessive free play |2.4.A2a|i|| | 7 |
Drive chain excessively loose |6.1.7 |c| |i|| | 7 |
Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 7 |
Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
Rear Brake excessively binding (1.2.1 (f)) | 7 |
Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 7 |
Rear Roller brake test indicates a sticking brake |3.3.A1a| | 6 |
Headlamp insecure (4.1.1 (c)) | 6 |
Front Position lamp not working (4.2.1 (a)) | 6 |
Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 6 |
Drive chain worn to excess (6.1.7 (c) (i)) | 6 |
Handlebar deformed |2.1.1b| | 5 |
Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
Steering headbearing has excessive free play |2.2.2| | 5 |
Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
Rear Drive chain excessively loose |6.2.1d| | 5 |
Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
Stop lamp remains on when the brake is released |1.3.1e| | 5 |
Rear Drive chain worn to excess |6.2.1e| | 5 |
Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
Horn not working (7.7 (a) (ii)) | 5 |
Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
Front Brake excessively binding (1.2.1 (f)) | 5 |
Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
Nearside Rear Drive chain excessively loose |6.2.1d| | 4 |
Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 4 |
Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 4 |
Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 4 |
Front Drive chain sprocket worn to excess |6.2.1e| | 4 |
Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 4 |
Horn not working |1.7.3a| | 4 |
Drive chain excessively tight (6.1.7 (k) (i)) | 4 |
Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 4 |
Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
Stop lamp not working (4.3.1 (a) (ii)) | 4 |
Horn not working (7.7 (a)) | 4 |
Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
Wheel alignment incorrect which adversely affects the steering |2.5.1| | 3 |
Brake lever has inadequate reserve travel |3.1.3b| | 3 |
Headlamp insecure |1.2.3b| | 3 |
Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
Roller brake test indicates a binding brake |3.3.A1a| | 3 |
Nearside Front Direction indicators not working |1.5.1c| | 3 |
Offside Front Direction indicator not working |1.5.1c| | 3 |
Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 3 |
Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
Rear Brake excessively binding |1.2.1 |f|| | 3 |
Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
Offside Indicator tell tale not functioning |1.5.2| | 3 |
Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 3 |
Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
Registration plate lamp issues | 3 |
Front Footrest insecure |6.2.1a| | 2 |
Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
Rear Brake pedal cannot be released smoothly |3.1.3d| | 2 |
Stop lamp not working |4.3.1 |a| |ii|| | 2 |
Rear suspension bush has excessive free play swinging arm |2.4.A2a|i|| | 2 |
Offside Rear Direction indicator not working |1.5.1c| | 2 |
Exhaust system insecure |6.1.2 |a|| | 2 |
Horn not working |7.7 |a| |ii|| | 2 |
Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
Rear Brake locking device missing |3.2.A1e| | 2 |
Offside Footrest insecure |6.2.1a| | 2 |
Direction indicators not working |1.5.1c| | 2 |
Rear Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 2 |
Nearside Footrest missing |6.2.1a| | 2 |
Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
Fuel cap sealing washer deteriorated |7.2.2c| | 2 |
Front Position lamp not working |4.2.1 |a|| | 2 |
Drive chain excessively tight |6.1.7 |k| |i|| | 2 |
Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
Rear Position lamp not working |4.2.1 |a|| | 2 |
Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 2 |
Front Brake excessively binding |1.2.1 |f|| | 2 |
Rear suspension bush has excessive free play swing arm |2.4.A2a|i|| | 2 |
Exhaust excessively deteriorated |7.1.1a| | 2 |
Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
Rear wheel spindle loose |2.4.A.2b| | 2 |
Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
Headlamp aim not tested |1.6| | 2 |
Rear Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
Handlebar excessively deformed (2.2.1 (c) (i)) | 2 |
Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
Rear Brake lagging in operation (1.2.1 (d)) | 2 |
Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 2 |
Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
Rear reflector missing (4.8.2 (a) (ii)) | 2 |
Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |