| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 46 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 12 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 11 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Stop lamp remains on when the brakes are released | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Registration plate issues | 2 |
| Rear suspension bearing excessively deteriorated |2.4A.2a|i|| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake caliper cracked lower mounting bracket (1.1.16 (a) (i)) | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Offside Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort BRAKE ROLLER TESTER INDICATES EXCESSIVE RUNOUT IN FRONT BRAKE DISCS (1.2.1 (e)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Does not illiminate when F/B is applied (4.3.2 (a) (iii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Nearside Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Exhaust excessively deteriorated silencer pipe broken all through and is not securely attached |7.1.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Footrest insecure damaged and likely to fail |6.2.12 |a|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Handlebar mounting clamp bolt loose both |2.1.1a| | 1 |
| Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar L/H heated grip (2.2.1 (d) (ii)) | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear Brake caliper inadequately mounted |1.1.16 |c| |i|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Throttle operating incorrectly sticking on |6.2.7 |a| |i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking (6.2.7 (a) (ii)) | 1 |
| Offside Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Central Front Brake pipe leaking leaking junction box area (1.1.11 (b)) | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Position lamp not working bulb was blown ,it has been replaced. (4.2.1 (a)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play lower shock |2.4.A2a|i|| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Rear shock absorber insecurely mounted dog bone U/S |2.4.A.3b| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front shock absorber seal failed and leaking oil r/hand |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease r/hand front |3.2.A1k| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Stop lamp switch with a delay in operation front stop switch not working (4.3.2 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak nearside fork oil seal leaking excessively (5.3.2 (b)) | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |