| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 46 |
| Horn not working |1.7.3a| | 14 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Headlamp insecure |1.2.3b| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 3 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Fuel hose leaking |7.2.1a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Brake pipe excessively corroded | 2 |
| Registration plate issues | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake lever excessively corroded |3.2.A1c| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick up to right (4.1.2 (a)) | 1 |
| Brake component is excessively corroded |3.1.5| | 1 |
| Nearside Front Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Rear Footrest insecure SPLIT PIN MISSING |6.2.12 |a|| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Brake pedal mounting cracked . |3.1.2c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock Full LH steering lock engine idle "hangs" up. |2.1.4| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Brake hose damaged | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Steering lock stop maladjusted |2.1.3| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Steering lock stop maladjusted |2.1.3| | 1 |
| Nearside Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride left hand side rear peg split pin missing |6.2.1h| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Offside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Wheel fixing missing |multiple fixings| pinch bolt |5.2.1 |a| |i|| | 1 |
| Nearside Lower Fuel tank leaking |7.2.1a| | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 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 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Upper Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Lower Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Lower Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake hose leaking fluid |3.2.B4| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Upper Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |