| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp aim out of alignment | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside 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 |
| Stop lamp remains on when the brakes are released | 2 |
| Registration plate issues | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Registration plate lamp issues | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Stop lamp not working not working when offside lever applied (4.3.1 (a) (ii)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies from front brake lever |1.3.1a| | 1 |
| Front Brake excessively binding linked brake system sticks when rear is operated (1.2.1 (f)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls FRONT BRAKE NOT OPERATING BRAKE LIGHT (4.3.2 (a) (iii)) | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Both sides |5.3.2 |b|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Offside Brake lever pivot excessively tight |1.1.1 |a|| | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Brake pipe leaking (1.1.11 (b)) | 1 |
| Central Front Lower Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Nearside Brake locking device missing lever pivot |3.2.A1e| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Front Brake lever has insufficient reserve travel Adjusted (1.1.2 (a)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp likely to become detached (4.3.1 (c) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |