| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Nearside 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| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Forks insecure (2.2.2 (d) (i)) | 1 |
| Nearside Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake lever has insufficient reserve travel Lever comes back to handlebar (1.1.2 (a)) | 1 |
| Throttle operating incorrectly sticks on when bars turned to right (6.2.7 (a) (i)) | 1 |
| Offside Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls sometimes switches work, sometimes not
DANGERIOUS (4.3.2 (a) (iii)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected stripped and cleaned lever and bushing/pin assy, (1.1.2 (b) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Right Hand Fork Leaking (5.3.2 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Offside Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Registration plate issues | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake effort inadequate at a wheel Possible air in system. (1.2.1 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Brake caliper cracked |1.1.16 |a| |i|| | 1 |
| Offside Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Rear Lower Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake component insecure reaction bracket bolt loose |1.1.21 |c|| | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Rear Brake excessively binding Caliper binding slightly, however pedal is also sticking due to tight/corrosion in pivot causing brake to bind on (1.2.1 (f)) | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |