| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Registration plate lamp issues | 7 |
| Horn not working |1.7.3a| | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate issues | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Fork yoke excessively deformed Front (2.2.2 (d) (i)) | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Central Rear Exhaust has a major leak of exhaust gases |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 |
| Rear Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Stop lamp not working Not working from rear brake. (4.3.1 (a) (ii)) | 1 |
| Brake disc|s| excessively pitted Front |3.2.A1l| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies not working |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Wheel has bolts/rivets missing or loose to the extent that control of the motorcycle is likely to be adversely affected mudguard loose (5.2.2 (e) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Nearside Stop lamp not working LEVER |4.3.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Shock absorber insecurely attached Mounting bolt loose (5.3.2 (a) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on number plate light |1.1.3a| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp not working front lever |4.3.1 |a| |ii|| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Fuel cap ineffective unable to excess (6.1.3 (b) (i)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |