| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 35 |
| Registration plate lamp issues | 24 |
| Front Brake excessively binding (1.2.1 (f)) | 18 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 11 |
| Stop lamp remains on when the brakes are released | 10 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Front Brake excessively binding |1.2.1 |f|| | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Horn not working (7.7 (a)) | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Brake lever has insufficient reserve travel Rear |1.1.2 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Position lamp not working L/H |4.2.1 |a|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal leaking. |5.3.2 |b|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake reaction bracket excessively corroded brake lever sticking on |1.1.15 |b|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Nearside Rear Brake lever pivot has excessive free play brake lever |1.1.1 |b|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Wheel fixing loose |single fixing| Rear hub nut loose | no washer fitted ?| |5.2.1 |a| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Stop lamp not working with front brake |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Nearside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Front Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Central Front Position lamp missing |4.2.1 |a|| | 1 |
| Riders seat insecure latch missing |6.2.5 |a| |ii|| | 1 |
| Registration plate issues | 1 |
| Front Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Front Brake lining(s) contaminated Fork oil contaninated (1.1.13 (b)) | 1 |
| Front Brake disc contaminated fork oil contaminated (1.1.14 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork oil contamination over fork leg,wheel and brakes (5.3.2 (b)) | 1 |
| Brake lever has insufficient reserve travel REAR (1.1.2 (a)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Upper Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake component modification adversely affecting braking performance (1.1.21 (d) (ii)) | 1 |
| Rear Lower Shock absorber insecurely attached bolt loose (5.3.2 (a) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play upper and lower steering head bearings showing severe free play (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced main stand worn to excess (6.1.1 (b) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling Leaning to the right of centre (2.4 (a)) | 1 |
| Horn sound not in accordance with requirements intermittent (7.7 (c)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Throttle operating incorrectly throttle tube is sticking and not returning to its rest position (6.2.7 (a) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake hose connection leaking (1.1.12 (c)) | 1 |
| Headlamp aim not tested insecure (4.1.2 (b)) | 1 |
| Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Position lamp not working dipped beam (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Offside Front Upper Position lamp not working side light (4.2.1 (a)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake pivot excessively worn (1.1.15 (b)) | 1 |
| Headlamp light intensity severely reduced non compatible light source. (4.1.4 (a)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |