| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 24 |
| Headlamp aim out of alignment | 17 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate lamp issues | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake caliper|s| insecure mount fractured |3.2.A1j| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear 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 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Exhaust mounting missing |7.1.1c| | 1 |
| Front Exhaust has part of the system missing |7.1.1a| | 1 |
| Registration plate issues | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Central Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 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 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working stop light not working on rear brake (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front An item not tested |Manual| | 1 |
| Offside Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Offside Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Central Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Exhaust has a major leak of exhaust gases pipe to silencer |6.1.2 |a|| | 1 |
| Rear Exhaust system insecure silencer |6.1.2 |a|| | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear lever (4.3.2 (a) (iii)) | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |left|. |2.1.1c| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust mounting does not fully support the exhaust system loose cyl head mounting |7.1.1.c| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on high beam not working |1.1.3a| | 1 |
| Front Brake master cylinder has a seized master cylinder pivot. |3.2.B5| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Stop lamp not working from front control (4.3.1 (a) (ii)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Valve stem seriously damaged FRONT (5.2.3 (j)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Brake disc significantly and obviously worn both fronts (1.1.14 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Valve stem seriously damaged front (5.2.3 (j)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Lower Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Stop lamp not working Rear brake switch not operating. |4.3.1 |a| |ii|| | 1 |
| Rear Brake effort inadequate at a wheel handbrake (1.2.1 (a) (i)) | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |