| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 33 |
| Front wheel bearings are excessively rough |2.3.5b| | 13 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Horn not working |1.7.3a| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Registration plate lamp issues | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate issues | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 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 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Central Rear Lower Exhaust has a major leak of exhaust gases Bolt Missing From Exhaust Manifold Blowing Badly |6.1.2 |a|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Upper Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Nearside Rear Upper Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Rear wheel rotation likely to be impeded wheel bearings changed |6.2.1b| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Centre Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Inner Front Lower Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Centre Rear Upper Stop lamp flickers when tapped lightly by hand |1.3.1d| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front suspension assembly component cracked |2.3.1| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Position lamp not working front (4.2.1 (a)) | 1 |
| Stop lamp not working when front brake applied (4.3.1 (a) (ii)) | 1 |
| Nearside Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases front pipe area (6.1.2 (a)) | 1 |
| Engine mounting/bracket fractured rear mounting bracket badly corroded (6.1.8 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Rear Lower Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 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 |
| Stop lamp not working rear brake lever (4.3.1 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (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 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake cable guide defective and affecting operation (1.1.15 (d)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Stop lamp does not illuminate by the operation of both brake controls Lever (4.3.2 (a) (iii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear 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 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Stop lamp not working off front brake control (4.3.1 (a) (ii)) | 1 |
| Rear Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |