| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 15 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 11 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 9 |
| Registration plate lamp issues | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Position lamp not working (4.2.1 (a)) | 5 |
| Brake hose damaged | 4 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 4 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 4 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 2 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected Steering bearings notchy (2.2.2 (f) (ii)) | 1 |
| Central Front Upper Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Fuel cap ineffective seal missing (6.1.3 (b) (i)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Rear brake . (1.1.15 (f)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment switch mount insecure (1.1.15 (f)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Footrest insecure not bolts holding foot plate down (6.2.12 (a)) | 1 |
| Horn sound not in accordance with requirements harsh and grating (7.7 (c)) | 1 |
| Position lamp showing white light to the rear Broken lens (4.2.3 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Shock absorber has a serious fluid leak pitting to chrome on leg (5.3.2 (b)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Brake disc contaminated disc has fork oil on it (1.1.14 (b)) | 1 |
| Shock absorber has a serious fluid leak both front fork seals are leaking (5.3.2 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel rear brake has no reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel rear (1.1.2 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Position lamp not working both (4.2.1 (a)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Upper Steering linkage component insecure to the motorcycle structure (2.1.3 (a) (i)) | 1 |
| Upper Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Front Brake component inadequately mounted Brake lever mounting very loose (1.1.21 (c)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Nearside Handlebar grip missing (2.2.1 (d) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Steering headbearing excessively stiff or notchy excessively notchy (2.2.2 (f) (i)) | 1 |
| Nearside Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp insecure Main front cowl insecure (4.1.1 (c)) | 1 |
| Front Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Headlamp insecure inc body panel (4.1.1 (c)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Lower Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced front mudguard (6.1.1 (b) (ii)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Suspension arm pin or bush excessively worn Excess side play in rear swing-arm bushes. (5.3.4 (a) (i)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Stop lamp not working Not operating with rear brake control. (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected Bars turn without turning forks. (2.2.1 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar Entire control assembly loose on bars. (2.2.1 (d) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak Fork seal leaking. (5.3.2 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front fender (6.1.1 (b) (i)) | 1 |
| Rear Brake lever insecure including mirror and switch assembly. (1.1.2 (e) (i)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Lower Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Nearside Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Rear Brake excessively binding wheel bearing not checked (1.2.1 (f)) | 1 |
| Rear Brake cable excessively worn (1.1.15 (b)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Brake lever has insufficient reserve travel rear brake lever (1.1.2 (a)) | 1 |
| Handlebar so insecure it is likely to become detached Loose (2.2.1 (b) (ii)) | 1 |
| Nearside Front Upper Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Nearside Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Fuel cap leaking Seal missing. (6.1.3 (b) (i)) | 1 |
| Stop lamp not working Nearside brake lever application. (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever insecure part of whole control unit (1.1.2 (e) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Upper Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| All direction indicators not working Not flashing (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake excessively binding front brake bind (1.2.1 (f)) | 1 |
| Front Lower Steering headbearing has excessive wear or free play steering head bearing worn and loose (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly revs up when turned on right hand lock (6.2.7 (a) (i)) | 1 |