| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Registration plate lamp issues | 10 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Registration plate issues | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Horn not working (7.7 (a)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Fork yoke insecure top nut |2.2.2 |d| |i|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake indicates excessive fluctuation of brake effort Front brake test showing excessive fluctuation on brakes |1.2.1 |e|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside 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)) | 1 |
| Rear Brake pedal attachment screws loose |3.1.2b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Nearside Front Shock absorber has a serious fluid leak LH Fork seal leaking badly (5.3.2 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure heal guard (6.1.1 (b) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Central Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Stop lamp not working on front leaver (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Exhaust has a major leak of exhaust gases Gasket has blown out of silencer joint. (6.1.2 (a)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy Needs head bearing (2.2.2 (f) (i)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Nearside Rear Lower Drive chain worn to excess new chain fitted (6.1.7 (c) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake lever cracked |3.1.2c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake performance not tested rear pads excessively worn |3.3| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| 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)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies brake switch faulty |1.3.1a| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Top nut very loose (2.2.2 (f) (ii)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Brake hose damaged | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Central Front Handlebar restricted in free movement from lock to lock clutch cable re routed |2.1.4 |c|| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Stop lamp switch with a delay in operation Front brake switch sticking. Replaced with new switch (4.3.2 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Upper Handlebar fouling on the fuel tank or bodywork on full lock Handlebars/controls catching bodywork on left and right loch to aftermarket handle bar risers being fitted (2.1.4 (b)) | 1 |