| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 45 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 16 |
| Registration plate issues | 14 |
| Registration plate lamp issues | 13 |
| Headlamp aim out of alignment | 12 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Offside Rear Footrest missing (6.2.12 (a)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| 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)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Footrest missing (6.2.12 (a)) | 1 |
| Throttle operating incorrectly Hitting body work (6.2.7 (a) (i)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock Bent (2.1.4 (b)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted circlip missing (6.1.7 (j) (i)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Rear reflector missing no rear reflector (4.8.2 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn rear disc scored and grooved (1.1.14 (a) (i)) | 1 |
| Drive chain excessively loose chain badly loose to point of coming off sprocket (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Brake pedal has insufficient reserve travel rear. (1.1.2 (a)) | 1 |
| Offside Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Throttle operating incorrectly Heated grips fitted, grip insecure. (6.2.7 (a) (i)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Wheel bearing has excessive play Sprocket carrier (5.1.3 (a) (i)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Lower Fork yoke excessively deformed (2.2.2 (d) (i)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Exhaust system insecure Exhaust attachment to frame bolt missing (6.1.2 (a)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn Excessive play at rear swing arm pivot (5.3.4 (a) (i)) | 1 |
| Offside Engine mounting/bracket bracket fractured (6.1.8 (a) (ii)) | 1 |
| Central Front Upper Horn not working (7.7 (a)) | 1 |
| Central Front Lower Wheel spindle locking device ineffective OS wheel spindle clamp bolt loose (5.2.1 (d)) | 1 |
| Offside Front Upper Direction indicator not working switch action (4.4.1 (a) (ii)) | 1 |
| Offside Rear Upper Direction indicator not working switch action (4.4.1 (a) (ii)) | 1 |
| Offside Rear Upper Exhaust silencer insecure fixing bracket under seat loose (8.1.1 (b) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied Lever snapped (1.1.2 (d)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Central Front Inner Horn not working fuse loose in fuse box causing horn not to function.. (7.7 (a)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swingarm to frame pivot has excessive play. (5.3.4 (a) (i)) | 1 |
| Handlebar grip insecure to handlebar Left (2.2.1 (d) (ii)) | 1 |
| Shock absorber has a serious fluid leak Left fork (5.3.2 (b)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |