| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 19 |
| Headlamp aim out of alignment | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Horn not working |1.7.3a| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Brake excessively binding front brake (1.2.1 (f)) | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Brake component is fractured |3.1.5| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front shock absorber seal failed and leaking oil both front |2.3.3| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp not working from front control |4.3.1 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Central Rear Stop lamp not working Rear Brake Switch |4.3.1 |a| |ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Exhaust system insecure |6.1.2 |a|| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Front Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Offside Front Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies Only one light Illuminates when brake pressed |1.3.1a| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake performance not tested |1.2.1 |g|| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake caliper cracked on hand brake (1.1.16 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Rear Brake pipe leaking (1.1.11 (b)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Brake cable insecure | 1 |
| Brake effort inadequate at a wheel parking brake (1.2.1 (a) (i)) | 1 |
| Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake disc fractured hairline cracks in brake disc (1.1.14 (a) (ii)) | 1 |
| Offside Front Brake disc fractured hairline cracks in brake disc (1.1.14 (a) (ii)) | 1 |
| Brake performance not tested Due to condition of front brake (1.2.1 (g)) | 1 |
| Central Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal (5.3.2 (b)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Steering operation fouling on the fuel tank or bodywork on full lock Fouling on front screen. (2.1.4 (b)) | 1 |
| Central Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak FRONT FORK STANCHIONS LEAKING AND BADLY CORRODED (5.3.2 (b)) | 1 |
| Nearside Front Upper Horn not working (7.7 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake has no recorded effort at a wheel parking brake (1.2.1 (a) (ii)) | 1 |
| Central Front Headlamp light intensity severely reduced nearside lamp full of water (4.1.4 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |