| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Front Brake excessively binding (1.2.1 (f)) | 20 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 18 |
| Rear reflector missing (4.8.2 (a) (ii)) | 18 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 17 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Horn not working (7.7 (a)) | 10 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 9 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 7 |
| Front Brake disc contaminated (1.1.14 (b)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Registration plate lamp issues | 4 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Registration plate issues | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Shock absorber has negligible damping effect Both (5.3.2 (b)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Brake performance unable to be tested rear wheel insecure (1.2.1 (g)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Stop lamp not working footbrake (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play sprocket bearing (5.1.3 (a) (i)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Rear reflector missing missing (4.8.2 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Rear brake switch not working (4.3.2 (a) (iii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Stop lamp not working Not working from rear brake switch (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls pedal (4.3.2 (a) (iii)) | 1 |
| Drive chain excessively loose and dry and rusty (6.1.7 (c) (i)) | 1 |
| Rear reflector missing Fit Reflector (4.8.2 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls foot brake (4.3.2 (a) (iii)) | 1 |
| Drive chain excessively loose likely to fail or come off drive gear (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has a serious fluid leak fork seals (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Central Front Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Front Lower Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake light sticking on (4.3.2 (a) (iii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake pipe connection leaking (1.1.11 (b)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering both lock stops fractured on headstock (6.1.1 (a) (ii)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Nearside Rear Wheel fixing missing (multiple fixings) chain adjuster plate missing (5.2.1 (a) (i)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Footrest missing Both rear (6.2.12 (a)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 25 kgf deflection (1.2.1 (e)) | 1 |
| Wheel alignment incorrect which adversely affects the handling requires adjustment to left (2.4 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working on brake pedal (4.3.2 (a) (iii)) | 1 |
| Shock absorber has a serious fluid leak left hand front fork seal leaking (5.3.2 (b)) | 1 |
| Wheel bearing play so excessive it is likely to break up excessive play in rear wheel bearings (5.1.3 (a) (ii)) | 1 |
| Stop lamp not working rear brake light not working (4.3.1 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Shock absorber has a serious fluid leak R/H fork seal leaking (5.3.2 (b)) | 1 |
| Rear reflector missing Stick on button reflector fitted Original covered by L plate (4.8.2 (a) (ii)) | 1 |
| Headlamp aim unable to be tested Headlamp insecure and film over lens (4.1.2 (b)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Headlamp aim unable to be tested Due to Insecure Headlamp (4.1.2 (b)) | 1 |
| Rear Stop lamp switch with a delay in operation Back Brake (4.3.2 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Upper 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 (4.1.2 (a)) | 1 |
| Offside Rear Footrest insecure 8MM FOOTREST MOUNTING PLATE BOLT MISSING (6.2.12 (a)) | 1 |
| Rear Stop lamp not working intermitant (4.3.1 (a) (ii)) | 1 |
| Front Brake excessively binding **on f/lever** (1.2.1 (f)) | 1 |
| Front Brake excessively binding ** on rear lever ** (1.2.1 (f)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Brake performance unable to be tested front binding too badly (1.2.1 (g)) | 1 |
| Headlamp aim not tested aftermarket headlamp-no readable pattern (4.1.2 (b)) | 1 |
| Rear Stop lamp not working comes on-then goes off (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted .missing locking device (6.1.7 (j) (i)) | 1 |
| Offside Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Nearside Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Drive chain horseshoe locking device likely to become detached Broken (6.1.7 (j) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Right hand rear footrest bracket bolt loose (6.1.1 (b) (i)) | 1 |
| Stop lamp not working not working off rear brake (4.3.1 (a) (ii)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working Front control. (4.3.1 (a) (ii)) | 1 |
| Drive chain worn to excess Has tight spot. (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls From rear brake control (4.3.2 (a) (iii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected All Controls NS & OS Loose on Bars (6.2.7 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Position lamp switch does not operate in accordance with the requirements Switch Not Working any Lights (4.2.2 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working Foot Brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working when rear brake operated (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Rear Footrest missing Both rear footrests seized in upright position so cannot be used (6.2.12 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls when rear brake applied (4.3.2 (a) (iii)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Stop lamp not working not working when rear brake applied (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Nearside Front Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Exhaust has a major leak of exhaust gases Back box (6.1.2 (a)) | 1 |
| Offside Rear Footrest missing not working (6.2.12 (a)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |