| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 19 |
| Registration plate lamp issues | 16 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Registration plate issues | 13 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 4 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on Rear number plate lamp fails to illuminate. |1.1.3a| | 1 |
| Stop lamp does not emit a steady light right hand side brake leaver doesnt show brake light |1.3.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam LIGHTS WORKING THE WRONG WAY ROUND. DIP ON MAIN, MAIN ON DIP |4.1.3 |b|| | 1 |
| Dipswitch does not operate immediately when selected on main beam LIGHTS WORKING THE WRONG WAY ROUND. DIP ON MAIN, MAIN ON DIP |4.1.3 |b|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded Callipar binding |3.2.A1h| | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Front Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Horn control not readily accesible. |1.7.2a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Stop lamp does not illuminate immediately a brake applies both |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort (3.3.A1d) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Position lamp not working left bulb (4.2.1 (a)) | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear All position lamps not working |4.2.1 |a|| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam low beam does not come on |1.2.2a|i|| | 1 |
| Nearside Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Indicator switch inoperative switch not staying on now ok (4.4.2 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Stop lamp not working Rear brake stop lamp switch sticking. WD40 freed off switch. (4.3.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working Replaced bulb, holder looks corroded. (4.2.1 (a)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Stop lamp switch with a delay in operation Control 1 switch not working (4.3.2 (a) (ii)) | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Offside Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Nearside Front Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Centre Front Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Shock absorber has a serious fluid leak leaking fluid onto brake discs |5.3.2 |b|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Wheel hub worn to the extent that wheel security is adversely affected |5.2.1 |b| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Stop lamp not working does not work off rear lever |4.3.1 |a| |ii|| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake component insecure brake pipe insecure (1.1.21 (c)) | 1 |
| Rear Shock absorber has negligible damping effect no damping could snap at any time (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Shock absorber has negligible damping effect Rear shocks (5.3.2 (b)) | 1 |
| Offside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Shock absorber likely to become detached not mounted correctly (5.3.2 (a) (ii)) | 1 |
| Offside Rear Shock absorber likely to become detached not mounted correctly (5.3.2 (a) (ii)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp emits other than a steady red light both |1.3.1b| | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Exhaust system insecure |6.1.2 |a|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |