| Most common failures | No# failures |
|---|
| Front Brake excessively binding (1.2.1 (f)) | 54 |
| Headlamp aim out of alignment | 28 |
| Registration plate lamp issues | 28 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 27 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 24 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 13 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 11 |
| Horn not working (7.7 (a)) | 10 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 8 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Headlamp insecure (4.1.1 (c)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Registration plate issues | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 5 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort Front disc warped/fluctuating (1.2.1 (e)) | 2 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Brake component inadequately mounted Front brake pipe not secured to bike/fouling steering lock to lock (1.1.21 (c)) | 2 |
| Steering operation linkage fouling when handlebars turned from lock to lock Front brake pipe (2.1.4 (a)) | 2 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Nearside Front All position lamps not working (4.2.1 (a)) | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Riders seat insecure Cant lock into position (6.2.5 (a) (ii)) | 1 |
| Front Brake excessively binding cannot check wheel bearing (1.2.1 (f)) | 1 |
| Front Brake excessively binding caliper (1.2.1 (f)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak No damping action (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Brake pivot excessively worn brake lever worn excess travel (1.1.15 (b)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp insecure Top inner mountings broken and not attached (4.1.1 (c)) | 1 |
| Rear Brake linkage has restricted free movement (1.1.15 (e)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Horn not working Button missing (7.7 (a)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Suspension rod pin or bush excessively worn swing arm bearing has serious play (5.3.4 (a) (i)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected steering notchy (2.2.2 (d) (ii)) | 1 |
| Stop lamp not working fr. or rear stop light working (4.3.1 (a) (ii)) | 1 |
| Offside All direction indicators not working front and rear offside not lighting unless held on (4.4.1 (a) (ii)) | 1 |
| Brake drum contaminated (1.1.14 (b)) | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Central Front Headlamp insecure (4.1.1 (c)) | 1 |
| Central Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Nearside Front Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Central Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel for rear brakes (1.1.2 (a)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Front Brake lever insecure snapped bar mounting (1.1.2 (e) (i)) | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Lever Touching Bar, wheel not Locking Up (1.1.15 (f)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Jamming Open and Sticking, Linkage Broken and also Impeded by Aftermarket Throttle Grips (6.2.7 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect Both (5.3.2 (b)) | 1 |
| Front Steering operation linkage fouling when handlebars turned from lock to lock Throttle Linkage Broken and Impeding Steering (2.1.4 (a)) | 1 |
| Central Rear Stop lamp emits other than a steady red light LED Bulb Intermittently Working, Flickering. (4.3.3 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Steering damper insecure (2.1.4 (d) (i)) | 1 |
| Rear Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake performance unable to be tested Rear brake not grabbing at all (1.2.1 (g)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Shock absorber has a serious fluid leak left fork seal (5.3.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake excessively binding rear brake mechanism not releasing brake (1.2.1 (f)) | 1 |
| Offside Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Stop lamp emits other than a steady red light Rear switch operation intermittent (4.3.3 (a) (ii)) | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |