| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Registration plate lamp issues | 21 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 11 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 11 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 8 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 8 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 7 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 3 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 3 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 3 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Rear Footrest missing |6.2.12 |a|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Footrest insecure |6.2.12 |a|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Front Headlamp light intensity severely reduced no pattern (4.1.4 (a)) | 1 |
| Wheel fixing missing |single fixing| sprocket |5.2.1 |a| |ii|| | 1 |
| Drive chain sprocket excessively loose Excess freeplay in cush drive bearing/rubber (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Brake caliper inadequately mounted |1.1.16 |c| |i|| | 1 |
| Position lamp not working side light not working (4.2.1 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected rear brake pedal not releasing after rear brake applied causing rear brake to remain locked on (1.1.2 (b) (ii)) | 1 |
| 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|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working Rear brake switch broken. (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play Tightened the headstock bearing. (2.2.2 (f) (i)) | 1 |
| Front Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Nearside Front Footrest insecure damaged-bent (6.2.12 (a)) | 1 |
| Front Brake lever has insufficient reserve travel spongy (1.1.2 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel needs adjustment (1.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak ***** note -stanchion pitted may not seal ***** (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Upper Throttle operating incorrectly adjuster lock nut loose (6.2.7 (a) (i)) | 1 |
| Drive chain sprocket excessively loose |6.1.7 |c| |i|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Suspension component pin or bush excessively worn Rear swingarm. |5.3.4 |a| |i|| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Rear brake has excessive free play. |1.1.15 |f|| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Front brake lever poor braking feel. Lever can be applied to bar. |1.1.15 |f|| | 1 |
| Central Horn not working (7.7 (a)) | 1 |
| Offside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Central Rear Stop lamp adversely affected by the operation of another lamp both (4.3.3 (b)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear reflector missing hidden behind l plate |4.8.2 |a| |ii|| | 1 |
| Stop lamp not working from rear |4.3.1 |a| |ii|| | 1 |
| Offside Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected wheel adjuster |5.2.1 |c| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Headlamp not working on main beam on over takeing swich (4.1.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Nearside Front Headlamp not working on dipped beam indicator lens insecure |4.1.1 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket excessively loose retaining nuts loose, sprocket carrier bearing has play and movement in cush drive assembly. (6.1.7 (c) (i)) | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Rear Brake pedal pivot excessively tight |1.1.1 |a|| | 1 |
| Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Wheel hub excessively worn Cush Drive |5.2.1 |b| |i|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Footrest missing Both rear |6.2.12 |a|| | 1 |
| Rear Brake lagging in operation needs adjusting (1.2.1 (d)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim not tested Unable to test dipped beam. (4.1.2 (b)) | 1 |
| Rear Drive chain sprocket worn to excess Carrier Bearing (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swing arm bushes . |5.3.4 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Stop lamp not working brake applies before light |4.3.1 |a| |ii|| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Registration plate issues | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Front Clutch lever shortened so it cannot be readily operated |6.2.7 |b|| | 1 |
| Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Stop lamp not working rear brake |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working switch |4.3.1 |a| |ii|| | 1 |
| Rear Footrest missing dont move into position |6.2.12 |a|| | 1 |
| 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)) | 1 |
| Position lamp not working bulb not installed |4.2.1 |a|| | 1 |
| Offside Front Footrest insecure |6.2.12 |a|| | 1 |
| Drive chain sprocket excessively loose movement to cush drive rubbers |6.1.7 |c| |i|| | 1 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake cylinder inadequately mounted |1.1.16 |c| |i|| | 1 |
| Offside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases front egr pipe (6.1.2 (a)) | 1 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced rear swingarm corroded/cracked underneath (6.1.1 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Suspension component pin or bush likely to become detached |5.3.4 |a| |ii|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Offside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working front operated |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working Rear pedal (4.3.1 (a) (ii)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Offside Front Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned Indicator hanging by wire - repositioned (4.4.3 (a)) | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface Obscured |4.8.1 |a| |ii|| | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp switch with a delay in operation Control one (4.3.2 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Brake component insecure Locking device missing from rear brake torque arm (1.1.21 (c)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn |cush bush| |5.3.4 |a| |i|| | 1 |
| Stop lamp not working not working off rear brake (4.3.1 (a) (ii)) | 1 |
| Brake disc insecure locking plates not bent over (1.1.14 (a) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose tab plates not bent over (6.1.7 (c) (i)) | 1 |
| Front Position lamp not working side lamp (4.2.1 (a)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Shock absorber has a serious fluid leak both front (5.3.2 (b)) | 1 |