| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 48 |
| Headlamp aim out of alignment | 46 |
| Rear reflector missing (4.8.2 (a) (ii)) | 36 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 21 |
| Stop lamp remains on when the brakes are released | 15 |
| Registration plate issues | 14 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 11 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 8 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 5 |
| Offside Rear Footrest missing (6.2.12 (a)) | 5 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| 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)) | 5 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Footrest insecure (6.2.12 (a)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 2 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Direction indicator not working bothsides (4.4.1 (a) (ii)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Lower Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Central Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Footrest missing no rear footrests fitted with rear seat (6.2.12 (a)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Rear Motorcycle structure modified such that structural rigidity is significantly reduced SWING ARM ADJUSTER FABRICATED...BADLEY (6.1.1 (d) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Wheel more than one fixing loose Rear wheel drive chain adjusters loose (5.2.1 (a) (ii)) | 1 |
| Rear Footrest missing Footrests OR seat strap required (6.2.12 (a)) | 1 |
| Rear Stop lamp not working on operation of front brake (4.3.1 (a) (ii)) | 1 |
| Brake disc contaminated Oil from leaking shock absorber. (1.1.14 (b)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Footrest missing rear foot pegs missing, passenger seat still offered (6.2.12 (a)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail Drive chain very loose, dangerous (6.1.7 (c) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Brake component inadequately mounted rear caliper rubber bush missing (1.1.21 (c)) | 1 |
| Footrest missing front right hand broken short (6.2.12 (a)) | 1 |
| Suspension component has excessive wear or free play EXCESSIVE PLAY IN SHOCK BEARINGS (5.3.3 (d)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Offside Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Brake pedal insecure bolt loose (1.1.2 (e) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess both (6.1.7 (c) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Drive chain excessively loose seized links in chain causing a serious "loose spot" where the chain is correctly adjusted in one place, rotate the wheel and the chain becomes excessively loose. (6.1.7 (c) (i)) | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing has excessive wear or free play free play (2.2.2 (f) (i)) | 1 |
| Rear Footrest missing n/s and o/s (6.2.12 (a)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Front Wheel fixing loose (multiple fixings) Front fork pinch bolts loose! (5.2.1 (a) (i)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Brake indicates excessive fluctuation of brake effort front (1.2.1 (e)) | 1 |
| Stop lamp not working rear pedal switch (4.3.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fork yoke excessively deformed STEERING STOP BROKEN (2.2.2 (d) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Clutch lever shortened so it cannot be readily operated sharp end (6.2.7 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls front brake light switch (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working hand lever (4.3.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |