| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 27 |
| Rear reflector missing (4.8.2 (a) (ii)) | 17 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 10 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 8 |
| Headlamp aim out of alignment | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 4 |
| Registration plate issues | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Footrest missing no rear foot rests n/s/bracket completely missing (6.2.12 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock left lock against front brake hose right lock against clutch cable (2.1.4 (c)) | 1 |
| Brake pedal insecure loose on splines (1.1.2 (e) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected cable tight (6.2.7 (a) (ii)) | 1 |
| Nearside Front Brake disc insecure bolts not tight. (1.1.14 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector missing no rear reflector - prs and reflector fitted (4.8.2 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect Rear shock has no rebound damping (5.3.2 (b)) | 1 |
| Central Front Upper Steering linkage ball joint has excessive play play in steering head / head bearings (2.1.3 (b) (i)) | 1 |
| Stop lamp not working Front brake lamp switch inoperative (4.3.1 (a) (ii)) | 1 |
| Suspension arm attachment bracket/mounting insecure swingarm (5.3.3 (a) (i)) | 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 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Baffle fitted (8.1.1 (a)) | 1 |
| Suspension arm pin or bush likely to become detached swing arm bolt loose (5.3.4 (a) (ii)) | 1 |
| Front Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Engine mounting/bracket excessively loose x2 (6.1.8 (a) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail + excess wear in cushdrive (6.1.7 (c) (ii)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn swingarm has play at pivot (5.3.4 (a) (i)) | 1 |
| Stop lamp not working both stop lamps (4.3.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Upper Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Engine mounting/bracket excessively loose nut missing (6.1.8 (a) (ii)) | 1 |
| Offside Wheel spindle locking device missing adjuster plate and lock nuts missing (5.2.1 (d)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected Bolt loose (1.1.16 (c) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Engine mounting/bracket excessively loose engine is a stress member part of the frame and there was a lot of side to side play as the rear engine mounting bolts were loose. (6.1.8 (a) (ii)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Engine mounting/bracket excessively loose all mountings loose (6.1.8 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Position lamp not working HEAD LIGHT LOW BEAM (4.2.1 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Engine mounting/bracket excessively loose engine moves when the clutch is let out. (6.1.8 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced engine is a stress member part of the frame and the engine is loose, so the frame is not rigid. (6.1.1 (b) (ii)) | 1 |
| Front Brake disc contaminated oil is present on the front brake disc (1.1.14 (b)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Drive chain sprocket worn to excess front and rear (6.1.7 (c) (i)) | 1 |
| Front Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure Swinging arm bush (5.3.3 (a) (i)) | 1 |
| Nearside Rear Footrest missing No alternative method for pillion to hold on (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing No alternative method for pillion to hold on (6.2.12 (a)) | 1 |
| Front Position lamp showing red light to the front (4.2.3 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swingarm bushes worn (5.3.4 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Front brake switch not working (4.3.2 (a) (iii)) | 1 |
| Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn Excess movement in rear swinging arm. (5.3.4 (a) (i)) | 1 |
| Nearside Rear Drive chain excessively loose & SLIGHTLY WORN (6.1.7 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling FRONT END TWISTED TOWARDS N/S (2.4 (a)) | 1 |
| Central Front Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced REAR SWINGARM HAS EXCESSIVE PLAY (6.1.1 (b) (ii)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Offside Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn swinging arm (5.3.4 (a) (i)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 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 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Drive chain worn to excess links seized (6.1.7 (c) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure number plate bracket (6.1.1 (b) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |