| Most common failures | No# failures |
|---|
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 6 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 4 |
| Registration plate lamp issues | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| All direction indicators not working (4.4.1 (a) (ii)) | 4 |
| Headlamp aim out of alignment | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| 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|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| All direction indicators not working |4.4.1 |a| |ii|| | 2 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Headlamp aim projected beam image obviously incorrect limited power to bulbs - (4.1.2 (c)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Offside Front Suspension component has excessive wear or free play Fork Stantion Worn And Pitted (5.3.3 (d)) | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Registration plate issues | 2 |
| Front Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Offside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Steering linkage locking device ineffective |2.1.3 |d|| | 1 |
| Exhaust system insecure rotten (6.1.2 (a)) | 1 |
| Front Position lamp not working side light |4.2.1 |a|| | 1 |
| Rear All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Nearside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Lower Steering headbearing has excessive free play With wheel raised |2.2.2| | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Stop lamp not working rear brake |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Stop lamp not working rear control (4.3.1 (a) (ii)) | 1 |
| Brake hose damaged | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen wrong way (4.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock handle headstock loose (2.1.4 (c)) | 1 |
| Nearside Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Stop lamp not working brake lamp not working with front lever (4.3.1 (a) (ii)) | 1 |
| Offside Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Brake cable damaged (1.1.15 (a)) | 1 |
| Nearside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced Rear Carrier |6.1.1 |b| |ii|| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation front brake switch (4.3.2 (a) (ii)) | 1 |
| Rear Stop lamp not working rear brake lever switch not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Brake lever is so short that the brake cannot be readily applied lever snapped (1.1.2 (d)) | 1 |
| Brake performance not tested due to condition of rear brake (1.2.1 (g)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering mudguard |6.1.1 |a| |ii|| | 1 |
| Nearside Front Lower Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Lower Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working front control |4.3.1 |a| |ii|| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Central Front Steering headbearing has excessive wear or free play Head Race Bearings Have Excessive Play (2.2.2 (f) (i)) | 1 |
| Central Rear Brake excessively binding Rear Brake Binds Badly Once Applied (1.2.1 (f)) | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front mudguard broken and insecure (6.1.1 (b) (i)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Front Lower Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake hose excessively stretched |1.1.12 |b| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Steering operation impeded by a fairing Fouling On Mudguard (2.1.4 (e)) | 1 |
| Nearside Rear Direction indicator incorrect colour WHITE (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour WHITE (4.4.3 (a)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Offside Rear Brake caliper damaged |1.1.16 |a| |i|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp not working rear brake |4.3.1 |a| |ii|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts not secure |3.2.B2c| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam no pattern |1.2.2a|i|| | 1 |
| Rear Stop lamp not working rear brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies rear switch |1.3.1a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Lower Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Valve stem seriously damaged Split. (5.2.3 (j)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering frame or bottom yoke bent |6.1.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |