| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Registration plate issues | 21 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 9 |
| Horn not working (7.7 (a)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| 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)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| All direction indicators not working (4.4.1 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Registration plate lamp issues | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front Horn not working (7.7 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Direction indicator missing Both front (4.4.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure Givi rack (6.1.1 (b) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc contaminated contaminated with chain lube (1.1.14 (b)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Direction indicator not working Both rear (4.4.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Brake performance unable to be tested front pads covered in fork oil (1.2.1 (g)) | 1 |
| Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure chain adjuster (6.1.1 (b) (i)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (Aftermarket Brake Lever Not Releasing Correctly, Brake Light Staying Illuminated When Lever Released, Brake Lever Only Has Contact with Edge of Resevoir Piston) (1.1.2 (b) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Drive chain so worn it is likely to fail drive chain has lots of seized links. (6.1.7 (c) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Central Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Both severe leaking. (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure rear rack and side carriers insecure (6.1.1 (b) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail chain has seized links (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess front and rear sprockets worn and hooked (6.1.7 (c) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Baffle missing (8.1.1 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording competition only wording (6.1.2 (c)) | 1 |
| Rear Drive chain worn to excess SEIZED LINKS (6.1.7 (c) (i)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Front Inner Horn not working (7.7 (a)) | 1 |
| Offside Rear Lower Brake pedal has insufficient reserve travel brake hits stop before locking brakes (1.1.2 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen LED fitted bulb not compatible with lens producing no beam pattern (4.1.2 (a)) | 1 |