| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Central Front Horn not working (7.7 (a) (ii)) | 2 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm top mounting bush (5.3.4 (a) (i)) | 1 |
| Upper Shock absorber has an excessively worn bush bush (5.3.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect beam deflecting wrong direction
Deflection now covered, headlamp now has flat pattern and has been adjusted (4.1.2 (c)) | 1 |
| Front Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Rear reflector on motorcycle missing (1.4.1) | 1 |
| Nearside Rear Locking device(s) not correctly fitted which may make the motor bicycle dangerous to ride Sprocket locking tab washers not being used. (6.2.1h) | 1 |
| Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Rear suspension component loose (2.4.A.1a) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick up to the offside mask fitted @ time of test |1.6| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake lever attachment screws loose Pivot lock nut |3.1.2b| | 1 |
| Front Brake disc|s| securing bolt|s| loose Bolt lock tabs not locking bolts |3.2.A1g| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose Front bolt securing pin missing |3.2.A1j| | 1 |
| Offside Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Registration plate issues | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake drum|s| insecure |3.2.A1g| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort FRONT |3.3.A1d| | 1 |
| Fuel system component leaking at carb overflow. (6.1.3 (b) (i)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| An item not tested |Manual| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Offside Front Brake component leaking fluid |3.2.B4| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Centre Front Direction indicators not working |1.5.1c| | 1 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |