| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 45 |
| Front Brake excessively binding (1.2.1 (f)) | 18 |
| Registration plate lamp issues | 10 |
| Stop lamp remains on when the brakes are released | 10 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Registration plate issues | 3 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| 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)) | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp not working from front brake lever (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake lever insecure Locking nut missing (1.1.2 (e) (i)) | 1 |
| Front Exhaust system insecure Manifold nut missing (6.1.2 (a)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Central Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working not working correctly>flickers when applied (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam dipped beam not working (4.1.1 (a) (ii)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached HANDLEBAR CLAMP SEEMS LOOSE (2.2.1 (b) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy NOTCHY (2.2.2 (f) (i)) | 1 |
| Offside Brake lever insecure LEVER PERCH LOOSE (1.1.2 (e) (i)) | 1 |
| Offside Brake lever has insufficient reserve travel EXCESSIVE RESERVE TRAVEL (1.1.2 (a)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Stop lamp not working not working on left side brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake disc contaminated With oil. (1.1.14 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake excessively binding brake sticks on. (1.2.1 (f)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working control 2 (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Brake performance not tested severe damage may occur (1.2.1 (g)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Shock absorber has negligible damping effect siezed (5.3.2 (b)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Riders seat insecure doesnt latch in the lock (6.2.5 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Brake pivot excessively worn brake lever pivot bolt loose (1.1.15 (b)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases exhaust was snapped in half (fitted new exhaust) (6.1.2 (a)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb not fitted correctly/loose. (4.1.2 (c)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Motorcycle structure is deformed and structural rigidity is significantly reduced gard sharp (6.1.1 (a) (i)) | 1 |
| Stop lamp not working when rear brake applied (4.3.1 (a) (ii)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working note brakes appear to be on opposite sides to normal (4.3.1 (a) (ii)) | 1 |
| Central Rear Upper Stop lamp not working Rear brake switch failed (4.3.1 (a) (ii)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Clocks unit. (6.1.1 (b) (i)) | 1 |
| Front Upper Motorcycle structure joining/attachment plate or fastening insecure Panel insecure. (6.1.1 (b) (i)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Front Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake linkage has restricted free movement (1.1.15 (e)) | 1 |