| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 48 |
| Headlamp aim out of alignment | 46 |
| Registration plate issues | 15 |
| Brake hose excessively deteriorated | 13 |
| Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Riders seat insecure |6.2.5 |a| |ii|| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Brake pipe excessively damaged (1.1.11 (c)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Throttle operating incorrectly twist grip seized |6.2.1f| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working Rear brake control |4.3.1 |a| |ii|| | 1 |
| Central Front Steering headbearing excessively stiff or notchy steering head bearings tight under load |2.2.2 |f| |i|| | 1 |
| Front Lower Brake hose damaged and likely to fail hose split |1.1.12 |a|| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Stop lamp not working front brake |4.3.1 |a| |ii|| | 1 |
| Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected pitted when front wheel raised |2.2.2 |f| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Headlamp lens seriously defective |4.1.1 |b| |ii|| | 1 |
| Forks excessively deformed |2.2.2 |d| |i|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside Front Brake caliper damaged and braking performance affected |1.1.16 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Vehicle identification number has more than one different number displayed |0.2 |c|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Wheel fixing loose |single fixing| excessive play at rear wheel |5.2.1 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Front Stop lamp not working Brake |4.3.1 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake hose damaged | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Fuel system component leaking carb leaking (6.1.3 (b) (i)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake hose damaged and likely to fail splits in pipe (1.1.12 (a)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Exhaust has a major leak of exhaust gases front pipe. (6.1.2 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock Head stock trim fouling leg shield when turning left (2.1.4 (b)) | 1 |
| Rear Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Offside Front Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Front Suspension component attachment bracket/mounting likely to fail front engine mountings (5.3.3 (b) (ii)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Central Engine mounting/bracket excessively loose Engine pivot bolt. (6.1.8 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel Adjusted. (1.1.2 (a)) | 1 |
| Position lamp not working Replaced bulb (4.2.1 (a)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play Free play (2.2.2 (f) (i)) | 1 |
| Offside Front Throttle operating incorrectly Sticks open (6.2.7 (a) (i)) | 1 |
| Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls ~Front lever (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber insecurely attached No locking device on lower bolt. (5.3.2 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Nearside Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam bulb fitted wrong (4.1.3 (b)) | 1 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |