| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 47 |
| Registration plate issues | 18 |
| Registration plate lamp issues | 18 |
| Front Brake excessively binding (1.2.1 (f)) | 17 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Brake fluid significantly below minimum mark topped up |1.1.10 |d| |ii|| | 1 |
| Exhaust excessively deteriorated lower clamp |7.1.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Exhaust excessively deteriorated Exhaust clamp corroded off allowing gasses to escape causing Excess noise |7.1.1a| | 1 |
| Offside Front Upper Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort front disc`s show excessive fluctuation |3.3.A1d| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort rear |3.3.A1c| | 1 |
| Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort rear |3.3.A1c| | 1 |
| Nearside Front Motorcycle structure is fractured and structural rigidity is significantly reduced |6.1.1 |a| |i|| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Wheel fixing loose |multiple fixings| |5.2.1 |a| |i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies Switch |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Control 1 switch |front| |1.3.1a| | 1 |
| Central Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Brake component is severely distorted brake disk |3.1.5| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Brake pedal attachment screws missing. |3.1.2b| | 1 |
| Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Central Rear Brake rod excessively damaged |3.2.A1c| | 1 |
| Front Shock absorber has a serious fluid leak both left & right found to be leaking |5.3.2 |b|| | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Nearside Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies not working on rear control |1.3.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Central Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Front Direction indicator missing replace |4.4.1 |a| |ii|| | 1 |
| Exhaust is leaking and excessively noisey muffler gasket leaking |7.1.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |
| Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Lower Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake excessively binding |1.2.1 |f|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake disc|s| cracked |3.2.A1g| | 1 |
| Stop lamp not working rear |4.3.1 |a| |ii|| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure Fairing main bracket loose at headstock (6.1.1 (b) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Fuel tank insecure rear nut missing (6.1.3 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake excessively binding front (1.2.1 (f)) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Front Upper Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle loose - tightened as required (6.2.7 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected very notchy (2.2.2 (f) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Shock absorber has a serious fluid leak Both (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel main brake (1.2.1 (a) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel rear brake operated/combined system (1.2.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Stop lamp not working brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal leaking (5.3.2 (b)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |