| Most common failures | No# failures |
|---|
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 18 |
| Headlamp aim out of alignment | 17 |
| Registration plate lamp issues | 15 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 14 |
| Horn not working (7.7 (a)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Headlamp insecure (4.1.1 (c)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 4 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 3 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 3 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 2 |
| Rear Exhaust system insecure (6.1.2 (a)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Stop lamp not working from front brake (4.3.1 (a) (ii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Brake performance unable to be tested UNSAFE (1.2.1 (g)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear reflector missing obscured by l plate (4.8.2 (a) (ii)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake disc contaminated fork oil contamination (1.1.14 (b)) | 1 |
| Front Shock absorber has a serious fluid leak Both front (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working from front brake operation (4.3.2 (a) (iii)) | 1 |
| Throttle operating incorrectly throttle sticking (6.2.7 (a) (i)) | 1 |
| Rear reflector missing covered up by l-plate, not visible (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Headlamp aim not tested both (4.1.2 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen both (4.1.2 (a)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front bodywork loose (6.1.1 (b) (i)) | 1 |
| Rear Lower Exhaust system insecure bolt missing from exhaust (6.1.2 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Motorcycle structure joining/attachment plate or fastening insecure Front bodywork insecure (6.1.1 (b) (i)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear reflector missing Cannot be seen from the rear of the motorcycle as obscured by L plate. (4.8.2 (a) (ii)) | 1 |
| Offside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp insecure Front panel insecure (4.1.1 (c)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Nearside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure FRONT PANEL (6.1.1 (b) (i)) | 1 |
| Headlamp insecure loose fairing (4.1.1 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock headlight wiring loose and catching on bottom yoke (2.1.4 (c)) | 1 |
| Vehicle identification number has more than one different number displayed (0.2 (c)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp insecure Fairing insecure (4.1.1 (c)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering front headlamp fairing loose (6.1.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect rear shockers both leaking oil (5.3.2 (b)) | 1 |
| Front Headlamp light intensity severely reduced no visible pattern (4.1.4 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced (6.1.1 (d) (i)) | 1 |
| Rear Motorcycle structure is fractured and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Handlebar restricted in free movement from lock to lock engine revs increase on full lock (2.1.4 (c)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii)) | 1 |
| Front Stop lamp not working Control (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working rear brake brake light inop (4.3.1 (a) (ii)) | 1 |
| Brake component inadequately mounted main rear caliper mounting plate and shock absorber (1.1.21 (c)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Offside Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure battery (6.1.1 (b) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Registration plate issues | 1 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Headlamp insecure fairing mountings broken (4.1.1 (c)) | 1 |
| Offside Headlamp insecure fairing mountings broken (4.1.1 (c)) | 1 |
| Headlamp aim not tested fairing insecure (4.1.2 (b)) | 1 |
| Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear reflector missing Obscured by L plate (4.8.2 (a) (ii)) | 1 |
| Stop lamp not working Rear lever (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake lever (4.3.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced pattern deteriated (4.1.4 (a)) | 1 |
| Nearside Direction indicator not working did not work on first attempt (4.4.1 (a) (ii)) | 1 |