| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Horn not working |1.7.3a| | 11 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 11 |
| Steering headbearing has excessive free play |2.2.2| | 11 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 8 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 6 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 5 |
| Registration plate lamp issues | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 5 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 5 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Brake hose excessively deteriorated | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 3 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 2 |
| Steering linkage has excessive free play |2.2.2| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Direction indicator insecure |1.5.3b| | 2 |
| 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)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Riders seat insecure |6.2.5 |a| |ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Rear Brake lever insecure |3.1.2a| | 2 |
| 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|| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Upper Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Registration plate issues | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected component dangling under yoke (2.2.2 (d) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking rear mudguard |6.1.1c| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking air filter loose |6.1.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on side lamp |1.1.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced front fender (6.1.1 (b) (ii)) | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Exhaust has a major leak of exhaust gases at joint to engine (6.1.2 (a)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies from rear lever |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front suspension fouling which affects the movement of the front suspension. mudguard |2.3.6a| | 1 |
| Suspension arm attachment bracket/mounting corroded and seriously weakened REAR ENGINE MOUNTING BUSHES (5.3.3 (b) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure body panels not secure (6.1.1 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases unable to test> wont start (6.1.2 (a)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Central Rear Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Central Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced sub frame to engine. |6.1.1 |b| |ii|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Front Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement engine to frame mounting bushes excessively worn |6.1.8 |a| |i|| | 1 |
| Suspension component pin or bush excessively worn rear shock upper bush is missing |5.3.4 |a| |i|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure rear frame attachement bracket for topbox rack is insecure |6.1.1 |b| |i|| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Exhaust system insecure mounting bracket broken almost all way through (6.1.2 (a)) | 1 |
| Throttle operating incorrectly tight (6.2.7 (a) (i)) | 1 |
| Headlamp aim not tested no beam pattern (4.1.2 (b)) | 1 |
| Nearside Rear Motorcycle structure joining/attachment plate or fastening insecure pillion hand grip missing (6.1.1 (b) (i)) | 1 |
| Rear Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Exhaust excessively deteriorated broken at manifold |7.1.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Stop lamp does not illuminate immediately a brake applies stop switch |1.3.1a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Bike Revs on Right hand lock (6.2.7 (a) (ii)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp switch insecure r/h switchgear |1.2.4| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Direction indicator affected by the operation of another lamp affected by horn |1.5.1c| | 1 |
| Brake lever has inadequate reserve travel rear |3.1.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling handlebars out of line. |2.5.1| | 1 |
| Nearside Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake hose fouling front brake hose fowling wheel on right hand lock |3.2.B3b| | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both fork seals failed |5.3.2 |b|| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear shock absorber has inadequate damping effect. no damping |2.4.A.3b| | 1 |
| Front Front suspension assembly component excessively bent allows front wheel to fowl against fairing |2.3.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Rear Motorcycle structure has a fracture which is likely to adversely affect braking or steering mudguard insecure. |6.1.1 |a| |ii|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Upper Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure Fender |6.1.1 |b| |i|| | 1 |
| Rear Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Suspension component insecure and control of the motorcycle impaired wheel front bush (5.3.3 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Brake disc contaminated Coated in oil. (1.1.14 (b)) | 1 |
| Nearside Front Forks excessively corroded Fork tube badly pitted. (2.2.2 (d) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Front mudguard bracket |6.1.1 |b| |i|| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Nearside Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Offside Front All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear All direction indicators light intensity significantly reduced |4.4.3 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play free play |2.2.2 |f| |i|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Brake caliper insecure brake caliper pins worn |1.1.16 |c| |i|| | 1 |
| Offside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect both (5.3.2 (b)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected |2.2.1 |a| |ii|| | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Central Front Headlamp aim not tested |1.6| | 1 |
| Central Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Central Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Central Front Front mudguard insecure front mudguard missing |2.3.7| | 1 |
| Rear suspension bush has excessive free play frame and engine bushes have excessive movement |2.4.A2a|i|| | 1 |
| Central Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Steering headbearing has excessive wear or free play steering movement stiff |2.2.2 |f| |i|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake cable damaged rear brake cable snapped (1.1.15 (a)) | 1 |
| Nearside Rear Forks excessively corroded (2.2.2 (d) (i)) | 1 |
| Offside Front Forks excessively corroded (2.2.2 (d) (i)) | 1 |
| Rear Brake performance not tested no rear brake (1.2.1 (g)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front 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)) | 1 |