| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 38 |
| Headlamp aim out of alignment | 24 |
| Front Brake excessively binding (1.2.1 (f)) | 23 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 21 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 16 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 14 |
| Rear reflector missing (4.8.2 (a) (ii)) | 14 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 11 |
| Horn not working (7.7 (a)) | 11 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Rear Brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 8 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 7 |
| Headlamp insecure (4.1.1 (c)) | 6 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Headlamp insecure (4.1.1 (c)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 3 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Front Steering operation impeded by a fairing (2.1.4 (e)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 2 |
| Nearside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls front lever (4.3.2 (a) (iii)) | 2 |
| Headlamp aim unable to be tested headlight not working (4.1.2 (b)) | 2 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Shock absorber has a serious fluid leak Both front forks leaking badly. (5.3.2 (b)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Front Position lamp not working side light inop offside front (4.2.1 (a)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Rear reflector missing obstructed not visable (4.8.2 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play Excessive free play. (2.2.2 (f) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak oil leaking down fork leg (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fock sill (5.3.2 (b)) | 1 |
| Rear Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy head bearings centering not smooth operation (2.2.2 (f) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Steering head bearings worn to exsess allowing forward ,backward and sideways movement (2.2.2 (f) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Rear rack VERY loose (6.1.1 (b) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working all (4.4.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Rear Lower Shock absorber likely to become detached bolt missing (5.3.2 (a) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached Bolt loose (2.2.1 (b) (ii)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Stop lamp not working left side swich (4.3.1 (a) (ii)) | 1 |
| Offside Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Rear Shock absorber has an excessively worn bush upper (5.3.2 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Rear Rear reflector missing L plate removed ( covers reflector) (4.8.2 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking (6.2.7 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced dip beam (4.1.4 (a)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure cowling (6.1.1 (b) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls stop lamp not operated by offside lever (4.3.2 (a) (iii)) | 1 |
| Headlamp insecure front panel insecure. (4.1.1 (c)) | 1 |
| Offside Front Position lamp not working side light not working. (4.2.1 (a)) | 1 |
| Motorcycle structure is deformed and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Stop lamp not working front and rear brake application (4.3.1 (a) (ii)) | 1 |
| Front Brake caliper insecure securing bolt loose (1.1.16 (c) (i)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp not working hand brake (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Position lamp switch does not illuminate all position lamps with a single operation (4.2.2 (a)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Rear rack/top box insecure likely to fracture and fall off (6.1.1 (b) (i)) | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Rear reflector missing coverd by L plate (4.8.2 (a) (ii)) | 1 |
| Offside Front Brake lining(s) missing (1.1.13 (c)) | 1 |
| Rear Shock absorber has negligible damping effect both (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy very stiff across range ,notch in centre (2.2.2 (f) (i)) | 1 |
| Nearside Front All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Rear reflector missing l plate covering reflector (4.8.2 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases Exhaust leak at header pipe (6.1.2 (a)) | 1 |
| Front Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced (6.1.1 (d) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working When using rear brake control (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator incorrect colour White bulbs fitted (4.4.3 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Does Not Operate From Rear Control (4.3.2 (a) (iii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork leg leaking (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork leg leaking (5.3.2 (b)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake lining(s) contaminated contaminated with fork oil and juddering (1.1.13 (b)) | 1 |
| Front Brake excessively binding FRONT BRAKE BINDING (1.2.1 (f)) | 1 |
| Rear brake binding | 1 |
| Wheel fixing loose (single fixing) Rear wheel fixing loose (5.2.1 (a) (ii)) | 1 |
| Brake excessively binding Fr Braker (1.2.1 (f)) | 1 |
| Brake excessively binding Fr. Wheel (1.2.1 (f)) | 1 |
| Offside Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced swing arm bolt snapped (6.1.1 (b) (ii)) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Suspension component has excessive wear or free play stock bearing (5.3.3 (d)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Brake hose damaged | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls stop light does no work from the front brake lever (4.3.2 (a) (iii)) | 1 |
| Registration plate issues | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied was broken, replaced (1.1.2 (d)) | 1 |
| Front Position lamp switch does not illuminate all position lamps with a single operation dip and dazzle not working??replaced switch (4.2.2 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Steering operation impeded by a fairing front fairing badly loose (2.1.4 (e)) | 1 |
| Front Brake grabbing severely badly seized brake calliper (1.2.1 (c)) | 1 |
| Front Forks insecure steering head bearings badly worn (2.2.2 (d) (i)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Central Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Central Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |