| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 36 |
| Headlamp aim out of alignment | 25 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 14 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 9 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 8 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 8 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 7 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 4 |
| Offside Rear Footrest missing (6.2.12 (a)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Shock absorber has a serious fluid leak both fork seals (5.3.2 (b)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Suspension arm pin or bush excessively worn swinging arm (5.3.4 (a) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected engine rpm increases on full right lock (6.2.7 (a) (ii)) | 2 |
| Fuel tank insecure (6.1.3 (a) (i)) | 2 |
| Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 2 |
| Headlamp not working on dipped beam Led Dip Beam not working (4.1.1 (a) (ii)) | 1 |
| Fuel cap leaking fuel cap leaking from seal and key hole (6.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak left hand fork leg leaking oil (5.3.2 (b)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Fuel cap ineffective seal split (6.1.3 (b) (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 |
| Rear Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Rear Suspension arm attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Left fork seal leaking (5.3.2 (b)) | 1 |
| Central Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 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 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Fuel system component leaking Below tap (6.1.3 (b) (i)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Shock absorber has a serious fluid leak FORK SEAL (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect both forks (5.3.2 (b)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect bulb fitted wrong (4.1.2 (c)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swing arm pivot bolt was loose (5.3.3 (a) (i)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail mounting bolts were insecure (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake component insecure rear brake plate anchor insecure (1.1.21 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn play in swing arm pivot (5.3.4 (a) (i)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect LED bulb fitted (4.1.2 (c)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls secured spring assy. (4.3.2 (a) (iii)) | 1 |
| Front Shock absorber has negligible damping effect both forks have no dampening affect or rebound action. (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Drive chain sprocket excessively loose locking tabs not secured (6.1.7 (c) (i)) | 1 |
| Nearside Front All position lamps not working (4.2.1 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake pedal pivot excessively tight rear brake inoperative. (1.1.1 (a)) | 1 |
| Suspension component pin or bush excessively worn movement in rear swinging arm. (5.3.4 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revs increase on right hand lock (6.2.7 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Central Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn Swinging arm bush (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Wheel fixing loose (multiple fixings) wheel adjusters insecure (5.2.1 (a) (i)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Central Front Inner Horn not working Horn not sounding (7.7 (a) (ii)) | 1 |
| Central Front Upper Headlamp not working on dipped beam Headlamp not aligned correctly and switching incorrectly (suspected bulb incorrect fitment) (4.1.1 (a) (ii)) | 1 |
| Central Rear Lower Drive chain so worn it is likely to fail Chain very slack, and worn considerably (6.1.7 (c) (ii)) | 1 |
| Central Rear Lower Drive chain sprocket so worn it is likely to fail Rear sprocket and securing mechanism missing bolt and loose, danger of getting trapped in chain, advised to repair straight away. (6.1.7 (c) (ii)) | 1 |
| Central Rear Lower Suspension arm pin or bush excessively worn Rear swinging arm bushs worn causing excessive play. (5.3.4 (a) (i)) | 1 |
| Drive chain sprocket so worn it is likely to fail bolt missing from carrier (6.1.7 (c) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn swinging arm (5.3.4 (a) (i)) | 1 |
| Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Stop lamp not working Front brake switch damaged (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Locking to left (6.2.7 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn Rear swing arm (5.3.4 (a) (i)) | 1 |
| Rear Drive chain sprocket excessively loose bolts loose. (6.1.7 (c) (i)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Shock absorber has a serious fluid leak both front x 2 (5.3.2 (b)) | 1 |
| Offside Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn s/arm (5.3.4 (a) (i)) | 1 |
| Headlamp light source and lamp not compatible bulb fitted upside down (4.1.4 (c)) | 1 |
| Suspension component has excessive wear or free play (5.3.3 (d)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn swing arm bushes (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Stop lamp not working front brake hand control (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working rear switch faulty (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak fork seals leaking (5.3.2 (b)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm corroded and seriously weakened swingarm (5.3.3 (b) (i)) | 1 |
| 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 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working front control |4.3.1 |a| |ii|| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Throttle operating incorrectly throttle working incorrectly ( revs not able to be controlled in a safe manner) (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak front fork legs leaking oil (5.3.2 (b)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick rear brake shoe wear indicator shows linings are below minimum (1.1.13 (a)) | 1 |
| Rear Drive chain so loose it is likely to fail drive chain excessively loose (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail sprockets worn to excess (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain worn to excess drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering rear wheel alignment is seriously out! (2.4 (a)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect front headlamp pattern is incorrect ( bulb fitment) (4.1.2 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working From front brake control (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Fuel cap leaking seal broken down (6.1.3 (b) (i)) | 1 |
| Drive chain sprocket excessively loose cush drive damping rubbers worn to excess (6.1.7 (c) (i)) | 1 |
| Suspension component pin or bush excessively worn swing arm bushs have excessive side to side movement (5.3.4 (a) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess front and rear (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Suspension arm pin or bush excessively worn swingarm (5.3.4 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Suspension arm pin or bush excessively worn swing arm has excessive movement (5.3.4 (a) (i)) | 1 |
| Offside Brake pedal has insufficient reserve travel brake needs adjustment (1.1.2 (a)) | 1 |
| Nearside Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Suspension component has excessive wear or free play swing arm (5.3.3 (d)) | 1 |
| Front Position lamp not working both inop (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Footrest missing rear right hand (6.2.12 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear Suspension arm pin or bush excessively worn swinging arm bush / bearings (5.3.4 (a) (i)) | 1 |
| Rear Brake component inadequately mounted rear brake arm (1.1.21 (c)) | 1 |
| Stop lamp not working when rear brake applied (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar Left hand grip (2.2.1 (d) (ii)) | 1 |
| Offside Direction indicator not working Right hand indicator faulty (4.4.1 (a) (ii)) | 1 |
| Fuel cap ineffective petrol cap seal broken (6.1.3 (b) (i)) | 1 |
| Handlebar excessively deformed Handle bars bent (2.2.1 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling wheels are out of alignment (2.4 (a)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 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 |