| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 25 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 18 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 16 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 14 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 11 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Brake hose damaged | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Registration plate lamp issues | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Front Position lamp not working (4.2.1 (a)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Registration plate issues | 6 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 5 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 4 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Nearside Rear Brake lever insecure (1.1.2 (e) (i)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 3 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Front Shock absorber has negligible damping effect (5.3.2 (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 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 2 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 2 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Rear Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure bolt missing (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle gets stuck at full twist of throttle (6.2.7 (a) (ii)) | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 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 |
| Rear Shock absorber has negligible damping effect suspension has no damping from the rear shock absorbers/springs (5.3.2 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel switch gear loose (1.1.2 (a)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Rear brake . (1.1.15 (f)) | 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 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Footrest insecure not bolts holding foot plate down (6.2.12 (a)) | 1 |
| Throttle operating incorrectly throttle switchgear insecure resulting in excessive movement (6.2.7 (a) (i)) | 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 |
| Nearside Shock absorber has a serious fluid leak pitting to chrome on leg (5.3.2 (b)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering frame bent (6.1.1 (a) (ii)) | 1 |
| Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure rear fender (6.1.1 (b) (i)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure Mudguard loose (6.1.1 (b) (i)) | 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 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Brake pedal has insufficient reserve travel rear (1.1.2 (a)) | 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 |
| Rear Brake lever insecure lever & mounting assembly on handlebars loose (1.1.2 (e) (i)) | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Brake lever so insecure that the brake cannot be readily applied MOUNTING INSECURE. (1.1.2 (e) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases leaking from manifold (6.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake cable excessively worn (1.1.15 (b)) | 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 |
| Nearside Handlebar grip missing (2.2.1 (d) (i)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 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 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Direction indicator not working both (4.4.1 (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 |
| 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 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 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Rear Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Shock absorber has a serious fluid leak Both front fork seals leaking (5.3.2 (b)) | 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 |
| Central Front Upper Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Rear Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Upper Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake lever has insufficient reserve travel rear brake lever (1.1.2 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock Steering lock to nearside is obviously excessive indicating damage to steering lock stop. Lock stop is not visible to check further (2.1.4 (b)) | 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 Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied Front brake lever bent (1.1.2 (d)) | 1 |
| Nearside Front Brake lever insecure Rear brake lever loose (1.1.2 (e) (i)) | 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 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak pitted for stanchion causing seal to fail (5.3.2 (b)) | 1 |
| Front Brake caliper operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal (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 |
| Steering headbearing in such a condition that steering control is adversely affected catching panel (2.2.2 (f) (ii)) | 1 |
| Throttle operating incorrectly revs up when turned on right hand lock (6.2.7 (a) (i)) | 1 |