| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Stop lamp remains on when the brakes are released | 6 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Headlamp aim projected beam image obviously incorrect kick up image the wrong side (4.1.2 (c)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Motorcycle structure is fractured and structural rigidity is significantly reduced engine cradle fractured weld (6.1.1 (a) (i)) | 1 |
| Handlebar excessively deformed Handle bars bent on right hand side (2.2.1 (c) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted Drive chain split link C clip incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Drive chain sprocket worn to excess noisy on rotation>possibly catching (6.1.7 (c) (i)) | 1 |
| Drive chain so worn it is likely to fail drive chain has excessive tight spot> very noisy when rotated (6.1.7 (c) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Motorcycle structure inadequately repaired such that it is likely to adversely affect braking or steering MUD GUARD (6.1.1 (d) (ii)) | 1 |
| Throttle operating incorrectly loose throttle switch (6.2.7 (a) (i)) | 1 |
| Brake performance not tested due to lack of effort on rear wheel (1.2.1 (g)) | 1 |
| Registration plate lamp issues | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Front Brake master cylinder leaking (Inspection Glass Broken / Cracked) (1.1.10 (b) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess (Front and Rear Sprocket) (6.1.7 (c) (i)) | 1 |
| Rear Brake linkage excessively corroded (Rear Brake Hub Torque Arm) (1.1.15 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front switch defective (4.3.2 (a) (iii)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail SPROCKET BOLT MISSING (6.1.7 (c) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front 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 doesnt illuminate stop lamp (4.3.2 (a) (iii)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Central Front Headlamp lens seriously defective Headlamp scuffed and cracked (4.1.1 (b) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure front mud gaurd (6.1.1 (b) (i)) | 1 |
| Central Rear Upper Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Offside Front Upper Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Central Front Steering headbearing has excessive wear or free play adjusted head stock bearings (2.2.2 (f) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake pedal 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 brake lever control switch (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working FRONT BRAKE LIGHT OPERATION WAS INTERMITANT (4.3.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Footrest insecure both sides (6.2.12 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Exhaust has a major leak of exhaust gases leaking at head (6.1.2 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected semi seized on pivot (1.1.2 (b) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel **needs shoes ** (1.1.2 (a)) | 1 |
| Front Brake grabbing severely master cylinder piston needs lube (1.2.1 (c)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp aim unable to be tested dip switch faulty (4.1.2 (b)) | 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 dip switch faulty ,cuts lights out when used (4.1.3 (b)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Offside Rear Drive chain sprocket worn to excess Rear sprocket hub bearing excessively worn. (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Front Stop lamp not working no switch fitted to front brake lever control (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle housing loose, throttle can be operated in either direction (6.2.7 (a) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Throttle operating incorrectly tick over is at 2500 rpm (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp not working off rear brake lever (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Led bulb fitted (4.1.2 (c)) | 1 |
| Drive chain sprocket excessively loose sprocket hub bearing (6.1.7 (c) (i)) | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Registration plate issues | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Stop lamp not working BRAKE (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |