| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Registration plate issues | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Registration plate lamp issues | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Centre Front Horn not working |1.7.3a| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear suspension bush has excessive free play lower mono shock |2.4.A2a|i|| | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear brake light switch |1.3.1a| | 1 |
| Central Rear Lower Rear position lamp does not illuminate immediately when it is switched on number plate light |1.1.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Lower Suspension arm pin or bush excessively worn Front of linkage to frame (5.3.4 (a) (i)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Centre Front Direction indicators not working |1.5.1c| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Rear Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Front Direction indicator not working bulb fitted |4.4.1 |a| |ii|| | 1 |
| Nearside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake component has an inadequate repair pads fitted incorrectly |3.1.5| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Lower Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Offside Front Lower Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp not working from front control (4.3.1 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Centre Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Drive chain excessively tight |6.2.1d| | 1 |
| Centre Front Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| An item not tested |Manual| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |