| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate lamp issues | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Registration plate issues | 4 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 3 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working front control |4.3.1 |a| |ii|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Offside Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Rear Drive chain sprocket excessively loose |6.1.7 |c| |i|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak both front forks |5.3.2 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake disc contaminated OIL ON DISCS FROM LEAKING FORK SEALS |1.1.14 |b|| | 1 |
| Suspension arm pin or bush excessively worn REAR SUSPENSION LINKAGE HAS EXCESSIVE FREE PLAY |5.3.4 |a| |i|| | 1 |
| Drive chain 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 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Shock absorber has negligible damping effect Forks are excessively still |5.3.2 |b|| | 1 |
| Front Stop lamp not working Front brake switch not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Lower Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Stop lamp not working When Using Front Brake Lever. |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Chain guard insecure bolt missing from front mount (6.1.7 (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Footrest missing peg and hanger missing (6.2.12 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Fork yoke insecure Center nut loose (2.2.2 (d) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Suspension component pin or bush excessively worn Lower linkage (5.3.4 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Brake cylinder insecure (1.1.16 (c) (i)) | 1 |
| Offside Rear Footrest missing (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 |
| Stop lamp not working when hand lever applied (4.3.1 (a) (ii)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Brake component modification unsafe Resivoir missing (1.1.21 (d) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Rear Brake master cylinder leaking Sight glass leaking (1.1.10 (b) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected control loose (6.2.7 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel spongy (1.1.2 (a)) | 1 |
| Position lamp switch insecure (4.2.2 (b)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Valve stem seriously damaged perished (5.2.3 (j)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Exhaust has a major leak of exhaust gases at manifold (6.1.2 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn suspension linkage excessive play in 2 bushes (5.3.4 (a) (i)) | 1 |
| Wheel hub worn to the extent that wheel security is adversely affected Sproket carrier (5.2.1 (b) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Handlebar grip insecure to handlebar THROTTLE SWICHGEAR INSECURE (2.2.1 (d) (ii)) | 1 |
| Rear Shock absorber has an excessively worn bush both bottom linkage on rear shock has play (5.3.2 (c)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |