| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 56 |
| Registration plate lamp issues | 15 |
| Registration plate issues | 13 |
| Headlamp aim out of alignment | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 11 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 8 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| 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)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Brake fluid contaminated (1.8 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 2 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Handlebar excessively deformed R/H (2.2.1 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Central Rear Lower Wheel more than one fixing loose rear wheel adjusters loose - tightened as required. (5.2.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail No chain adjustment left (6.1.7 (c) (ii)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Brake performance not tested due to wheel alignment (1.2.1 (g)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swing arm (5.3.3 (a) (i)) | 1 |
| Front Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp switch with a delay in operation adjusted, (4.3.2 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted refitted (6.1.7 (j) (i)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Steering headbearing excessively stiff or notchy front wheel raised (2.2.2 (f) (i)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Brake fluid contaminated front and rear brake fluid contaminated (1.8 (a)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle cable routed incorrectly causing throttle to be applied when steering on full lock. (6.2.7 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Fuel tank so insecure there is a risk of fire (6.1.3 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Footrest missing both sides (6.2.12 (a)) | 1 |
| Offside Front Brake disc significantly and obviously worn FRONT BRAKE DISC HAS SIGNIFICANT MOVEMENT UNDER BRAKING. (1.1.14 (a) (i)) | 1 |
| Rear reflector missing rear reflector is missing (4.8.2 (a) (ii)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Silencer (8.1.1 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort front disc distorted/damaged (1.2.1 (e)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Footrest missing No pillion footrests fitted (6.2.12 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording No BS number on silencer (6.1.2 (c)) | 1 |
| Offside Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Direction indicator adversely affected by the operation of another lamp working with rear light (4.4.3 (b)) | 1 |
| Nearside Front Inner Steering operation restricted in free movement from lock to lock steering impeded by gear LED indicator that had become loose - have made secure and advised as necessary (2.1.4 (c)) | 1 |
| Wheel fixing loose (single fixing) Adjuster nuts (5.2.1 (a) (ii)) | 1 |
| Rear Brake excessively binding No free play at rear brake pedal. (1.2.1 (f)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Rear Wheel fixing loose (multiple fixings) rear offside wheel adjuster loose, (5.2.1 (a) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Footrest missing 6.2.12 - Rear footrests missing.
If the motorcycle has a cowl covering the rear seat, it is considered to be a single seat motorcycle.
If the seat is capable of carrying a passenger, rear footrests must be fitted. (6.2.12 (a)) | 1 |
| Offside Front Handlebar deformed to the extent that steering is affected bent (2.2.1 (c) (ii)) | 1 |
| Nearside Front Steering operation impeded by a fairing lose panle (2.1.4 (e)) | 1 |