| Most common failures | No# failures |
|---|
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 34 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 16 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 16 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 15 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 15 |
| Headlamp aim out of alignment | 13 |
| Rear Brake disc|s| cracked |3.2.A1g| | 10 |
| Front wheel bearings have excessive free play |2.3.5b| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Registration plate issues | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Front Brake disc|s| cracked |3.2.A1g| | 3 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Registration plate lamp issues | 3 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| An item not tested |Manual| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 2 |
| Front Brake disc(s) excessively worn (3.2.A1l) | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear Brake caliper leaking |1.1.16 |b| |i|| | 2 |
| Rear Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 2 |
| Rear Wheel bearing play so excessive that directional control is impaired possible spacer missing from the amount of movement. |5.1.3 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies With rear brake |1.3.1a| | 1 |
| Rear reflector on motorcycle dirty and function impaired |1.4.2a| | 1 |
| Front shock absorber seal failed and leaking oil nearside |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front All position lamps do not illuminate immediately when switched on side |1.1.3a| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear wheel spindle loose (2.4.A.2b) | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Stop lamp not working switch |4.3.1 |a| |ii|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake leaver |1.3.1a| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies brake control |1.3.1a| | 1 |
| Nearside Rear Stop lamp missing |1.3.3a| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Brake locking device missing brake lever |3.2.A1e| | 1 |
| Front Brake back plate(s) insecure (3.2.A1j) | 1 |
| Rear Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Rear Brake disc(s) excessively worn (3.2.A1l) | 1 |
| Steering movement excessively notchy with the weight on the lower bearing (2.2.1a) | 1 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Nearside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Handlebar fouling on the fuel tank or bodywork on full lock Fouling on screen. |2.1.4 |b|| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering movement excessively `notchy` with the wheel raised NOTCHY IN CENTRE |2.2.1b| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Stop lamp not working control 1 |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Upper Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake pipe inadequately supported |3.2.B2b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Centre Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Front An item not tested |Manual| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 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 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |