| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 37 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 35 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 34 |
| Horn not working (7.7 (a)) | 30 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 25 |
| Headlamp aim out of alignment | 23 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 16 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 12 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 10 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 9 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 9 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 9 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Footrest insecure (6.2.12 (a)) | 6 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 6 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 5 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 5 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Exhaust system insecure (6.1.2 (a)) | 4 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Rear Footrest missing (6.2.12 (a)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Front Horn not working (7.7 (a)) | 3 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a)) | 3 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 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 |
| Registration plate issues | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 2 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Headlamp aim unable to be tested BEAMS ARE WRONG WAY AROUND (4.1.2 (b)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear All position lamps not working (4.2.1 (a)) | 2 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak l/h fork leg has serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling chain adjustment unequal (2.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect bulb fitted incorrectly (4.1.2 (c)) | 1 |
| Drive chain excessively loose also has links seized (6.1.7 (c) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working front and rear (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected switchgear loose on handlebar (6.2.7 (a) (ii)) | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Throttle operating incorrectly Sticking open in RH steering lock position (6.2.7 (a) (i)) | 1 |
| Offside Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied bent (1.1.2 (d)) | 1 |
| Nearside Rear Wheel spindle locking device missing chain adjuster missing (5.2.1 (d)) | 1 |
| Offside Front Throttle operating incorrectly lose (6.2.7 (a) (i)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted Backwards (6.1.7 (j) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Lower Brake caliper has no reserve travel and braking performance affected Caliper Linked Brake No reserve Travel (1.1.16 (e) (ii)) | 1 |
| Nearside Front Upper Brake caliper leaking Caliper Front Leaking Brake Fluid (1.1.16 (b) (i)) | 1 |
| Nearside Rear Lower Drive chain excessively loose Drive Chain Bearings (6.1.7 (c) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted incorrect direction (6.1.7 (j) (i)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Fuel cap ineffective does not lock in position (6.1.3 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak fork stantion pitted (5.3.2 (b)) | 1 |
| Front Brake disc contaminated fork oil (1.1.14 (b)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Brake pipe excessively corroded | 1 |
| Central Rear Lower Brake has no recorded effort at a wheel no rear brake effort (1.2.1 (a) (ii)) | 1 |
| Central Rear Upper Position lamp not working bulb blown (4.2.1 (a)) | 1 |
| Central Rear Upper Stop lamp not working hydraulic switch and no rear brake effort (4.3.1 (a) (ii)) | 1 |
| Indicator switch inoperative Sticks in left position (4.4.2 (a) (ii)) | 1 |
| Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Front Upper Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Rear Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Rear 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)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Suspension component pin or bush excessively worn front upper fork bearings [head stock] worn (5.3.4 (a) (i)) | 1 |
| Offside Footrest insecure brake foot pedal (adjusted) (6.2.12 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls bulb (4.3.2 (a) (iii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail tightened on prs (6.1.7 (c) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle loose on handlebar (6.2.7 (a) (ii)) | 1 |
| Throttle operating incorrectly Revving up on right hand lock. (6.2.7 (a) (i)) | 1 |
| Brake lever so insecure that the brake cannot be readily applied left lever bend (1.1.2 (e) (ii)) | 1 |
| Forks fractured (2.2.2 (d) (i)) | 1 |
| Brake lever has insufficient reserve travel hits mirror (1.1.2 (a)) | 1 |
| Drive chain sprocket so worn it is likely to fail CHAINSET IS VERY WORN (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Rear Inner Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Inner Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake lever has insufficient reserve travel brake fluid green, indicator that the wrong fluid has been used (1.1.2 (a)) | 1 |
| Front Brake lagging in operation slow releasing (1.2.1 (d)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake pedal stop lamp. (4.3.2 (a) (iii)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Nearside Front Footrest insecure clip missing (6.2.12 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Footrest missing BOTH NEARSIDE AND OFFSIDE (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp not working rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Footrest insecure (6.2.12 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear switch inoperative (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected idle speeds increases greatly on full right hand lock. (6.2.7 (a) (ii)) | 1 |
| Offside Rear Shock absorber has negligible damping effect exhaust hitting shocker and swing arm (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak Nearside leaking down to brake
Offside weeping only (5.3.2 (b)) | 1 |
| Brake performance unable to be tested no rear brake working (1.2.1 (g)) | 1 |
| Rear Stop lamp not working rear brake no hydralics/ pressure switch (4.3.1 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Rear Lower Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Front Forks insecure Fork legs are the wrong size not clamped in the yokes properly (2.2.2 (d) (i)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Offside Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock steering head bearings tight (2.1.4 (c)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake pipe connection leaking (1.1.11 (b)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake lever pivot excessively tight semi seized (1.1.1 (a)) | 1 |
| Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Exhaust has a major leak of exhaust gases leaking at head loose and loud (6.1.2 (a)) | 1 |
| Fork yoke insecure locknut loose (2.2.2 (d) (i)) | 1 |
| Offside Rear Brake lever pivot has excessive free play pedal (1.1.1 (b)) | 1 |
| Headlamp not working on dipped beam bulb (4.1.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Brake pedal (4.3.2 (a) (iii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |