| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 25 |
| Registration plate lamp issues | 23 |
| Front Brake excessively binding (1.2.1 (f)) | 17 |
| Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 14 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 14 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 14 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 13 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 8 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 5 |
| Registration plate issues | 5 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 4 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 3 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake grabbing severely (1.2.1 (c)) | 3 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has negligible damping effect Barely any suspension travel, symptom of too much fork oil (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has negligible damping effect Barely any suspension travel, symptom of too much fork oil (5.3.2 (b)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Handlebar retaining device missing (2.2.1 (b) (i)) | 2 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| 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)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Brake hose excessively deteriorated | 2 |
| Front Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Suspension arm pin or bush excessively worn SWING ARM. (5.3.4 (a) (i)) | 1 |
| Rear Brake lever pivot excessively tight (1.1.1 (a)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Brake excessively binding unable to fully test front wheel rotation/bearings (1.2.1 (f)) | 1 |
| Suspension component pin or bush excessively worn excessive movement in swing arm (5.3.4 (a) (i)) | 1 |
| Rear Footrest insecure loose>mounted on swing arm pivot (6.2.12 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn swingarm bush (5.3.4 (a) (i)) | 1 |
| Brake disc contaminated with fork oil (1.1.14 (b)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Swingarm loose (6.1.1 (b) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Rear Stop lamp not working Pedal (4.3.1 (a) (ii)) | 1 |
| Front Brake caliper excessively corroded and likely to crack (1.1.16 (d) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls foot pedal (4.3.2 (a) (iii)) | 1 |
| Exhaust system insecure clamp (6.1.2 (a)) | 1 |
| Stop lamp not working front lever (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak forks (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has an excessively worn bush Both rear shock bushes top and bottom (5.3.2 (c)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment loose bolt (1.1.15 (f)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak fork leg (5.3.2 (b)) | 1 |
| Rear Footrest missing both rear footrests missing (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket excessively loose bolts loose (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear switch inoperative (4.3.2 (a) (iii)) | 1 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Offside Suspension component mounting has an unsafe modification FRONT FORKLEG HAS L PLATE HAS BEEN MOUNTED TO THE SUSPENTION STANTION (5.3.3 (c) (i)) | 1 |
| Front Brake disc significantly and obviously worn front brake disc warped (1.1.14 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle loose on handle bar (6.2.7 (a) (ii)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Front Brake effort inadequate at a wheel lever hard to operate (1.2.1 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Wheel spoke excessively loose Many spokes broken/loose (5.2.2 (d)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake caliper inadequately mounted Bracket boot rubber missing (1.1.16 (c) (i)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking (6.2.7 (a) (ii)) | 1 |
| Engine mounting/bracket bracket missing bolt missing from front mount (6.1.8 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn Swinging Arm (5.3.4 (a) (i)) | 1 |
| Brake indicates excessive fluctuation of brake effort Front (1.2.1 (e)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Suspension arm pin or bush excessively worn swinging arm bushes (5.3.4 (a) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation when brake pedal is applied (4.3.2 (a) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake rod insecure locking split pin missing (1.1.15 (c)) | 1 |
| Throttle operating incorrectly stiff and does not return (6.2.7 (a) (i)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls front brake switch faulty (4.3.2 (a) (iii)) | 1 |
| Rear Brake pivot excessively worn pivot pin worn to excess (1.1.15 (b)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Brake hose damaged | 1 |
| Front Outer Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp insecure LIGHT FLASHING ON OFF (4.1.1 (c)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working with hand control. (4.3.1 (a) (ii)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected Securing bolt loose and thread damaged (1.1.16 (c) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Rear Footrest insecure Bolt missing (6.2.12 (a)) | 1 |
| Offside Rear Exhaust system insecure Bolt missing (6.1.2 (a)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose sprocket bolts missing. (6.1.7 (c) (i)) | 1 |
| Throttle operating incorrectly revving up on right hand lock (6.2.7 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn swinging arm mount (5.3.4 (a) (i)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Motorcycle structure has a fracture which is likely to adversely affect braking or steering steering stop fractured (6.1.1 (a) (ii)) | 1 |
| Brake pedal anti-slip provision loose (1.1.2 (c)) | 1 |
| Throttle operating incorrectly Does not return to idle. (6.2.7 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak BOTH FRONT FORK SEALS (5.3.2 (b)) | 1 |
| Headlamp insecure Bulb (4.1.1 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition front exhaust pipe holed and blowing (8.1.1 (a)) | 1 |
| Rear Brake cylinder inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Drive chain excessively tight adjust wheel out of alignment (6.1.7 (k) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn SWING ARM (5.3.4 (a) (i)) | 1 |
| Front Brake excessively binding caliper very corroded pistons heavily corroded (dangerous ) (1.2.1 (f)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Stop lamp not working front control (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure SWINGING ARM. (5.3.3 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Engine mounting/bracket missing fastening missing (6.1.8 (a) (ii)) | 1 |
| Front Stop lamp not working Using front brake lever. (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess Rear sprocket (6.1.7 (c) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) Wheel spindle nut loose. (5.2.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revving up on full lock (6.2.7 (a) (ii)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Stop lamp not working Rear brake light switch corroded (4.3.1 (a) (ii)) | 1 |
| Nearside All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Central Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak both x 2 (5.3.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Headlamp light source and lamp not compatible led bulb is not compatible & also causing tell tale lamp to remain on (4.1.4 (c)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Steering headbearing has excessive wear or free play free play (2.2.2 (f) (i)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working Front brake lever (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak both forks (5.3.2 (b)) | 1 |
| Drive chain excessively tight chain link seized (6.1.7 (k) (i)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front control (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working When operated from front brake. (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering steering stop bent (6.1.1 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected handlebars bent (2.2.1 (c) (ii)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected yokes twisted and out of alignment (2.2.2 (d) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling rear chain adjustment out of alignment (2.4 (a)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm ball joint excessively worn swing arm brg bushes worn (5.3.4 (a) (i)) | 1 |
| Rear Wheel spoke excessively corroded wheel (5.2.2 (d)) | 1 |
| Offside Front Shock absorber has a serious fluid leak evidence of long term oil leak, chrome surface of fork tube corroded and pitted (5.3.2 (b)) | 1 |
| Suspension arm insecure and control of the motorcycle impaired swingarm (5.3.3 (a) (ii)) | 1 |
| Wheel excessively distorted front wheel right hand side (5.2.2 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Engine mounting/bracket bracket missing upper bolt missing (6.1.8 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition no baffle (8.1.1 (a)) | 1 |
| Rear Lower Suspension attachment bracket/mounting insecure nut missing from bottom shock mount (5.3.3 (a) (i)) | 1 |
| Offside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |