| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 43 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 2 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Rear position lamp insecure |1.1.1c| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Rear Brake disc contaminated |1.1.14 |b|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Valve stem seriously damaged hitting rear caliper |5.2.3 |j|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Registration plate issues | 1 |
| Nearside Rear spring corroded and seriously weakened |2.4A1b|ii|| | 1 |
| Offside Rear spring corroded and seriously weakened |2.4A1b|ii|| | 1 |
| Headlamp aim not tested Bulbs incorrectly fitted, beam pattern indistinguishable. |4.1.2 |b|| | 1 |
| Headlamp reflector seriously defective |4.1.1 |b| |ii|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front mudguard can easily contact the wheel |2.3.7| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Lower Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear brake retaining pin missing |6.2.1h| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies right handhand grip |1.3.1a| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Vehicle identification number not legible |6.3.5a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork leaking (5.3.2 (b)) | 1 |
| Headlamp reflector seriously defective Both headlamp bulbs incorrectly fitted - no beam pattern (4.1.1 (b) (ii)) | 1 |
| Headlamp aim not tested due to incorrectly fitted bulbs (4.1.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected grip causing throttle to stick (6.2.7 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding rear brake stuck on>
unable to test rear wheel rotation/rear disc for run out/wheel bearings !! (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a)) | 1 |