| Most common failures | No# failures |
|---|
| Registration plate issues | 18 |
| Steering headbearing has excessive free play |2.2.2| | 15 |
| Headlamp aim out of alignment | 14 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 11 |
| Registration plate lamp issues | 11 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 10 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 6 |
| Indicator switch defective |1.5.4| | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 3 |
| Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Offside Rear Direction indicator insecure |1.5.3b| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Fuel hose leaking (6.1.3 (b) (i)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Shock absorber has a serious fluid leak Both fork seal (5.3.2 (b)) | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Shock absorber has negligible damping effect both (5.3.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced |6.1.1 |b| |ii|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Stop lamp not working not working when front brake lever is applied (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel rear brake lever (1.1.2 (a)) | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases unable to test>bike not start (6.1.2 (a)) | 1 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Front Roller brake test indicates a sticking brake (3.3.A1a) | 1 |
| Exhaust is leaking and excessively noisey emmision pipe corroded (7.1.1b) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake switch not working. (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Center stand loose. (6.1.1 (b) (i)) | 1 |
| All position lamps light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Shock absorber has an excessively worn bush Legs pitted. (5.3.2 (c)) | 1 |
| Sidecar structure joining/attachment plate or fastening insecure centre stand (6.1.1 (b) (i)) | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Front suspension has severe distortion of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies b/light switch. |1.3.1a| | 1 |
| Rear suspension bush has excessive free play rear engine mount/pivot point bushes excessively worn,giving engine movement. |2.4.A2a|i|| | 1 |
| Exhaust mounting does not fully support the exhaust system silencer |7.1.1.c| | 1 |
| Rear Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticks |6.2.1f| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working dipped beam (4.2.1 (a)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear suspension bearing has excessive free play Engine mounting |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly throotle sticking |6.2.1f| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering mirror contacting screen |2.1.2a| | 1 |
| Headlamp switch faulty high beam not working |1.2.4| | 1 |
| Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Riders seat insecure dosnt lock down |6.2.1a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering Nearside steering stop missing. (6.1.1 (a) (ii)) | 1 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Nearside Rear All direction indicators obviously incorrectly positioned indicator broken. (4.4.3 (a)) | 1 |
| Stop lamp emits other than a steady red light Front switch |1.3.1b| | 1 |
| Offside Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Central Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Rear Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Central Rear Lower Suspension component ball joint excessively worn swing arm mounts and bushes worn to excess |5.3.4 |a| |i|| | 1 |
| Front Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Front Stop lamp not working brakelight switch |4.3.1 |a| |ii|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Suspension component pin or bush excessively worn swinging arm bearings (5.3.4 (a) (i)) | 1 |
| 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 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies inconsistent when brake applied |1.3.1a| | 1 |
| Rear suspension bearing has excessive free play suspension mount to front of engine excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear suspension bearing has excessive free play front engine/suspension mount |2.4.A2a|i|| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Front Brake component worn and seriously reduced in strength Slider rubber missing on caliper causing excessive play |3.2.A1| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Offside Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Suspension component has excessive wear or free play Rear swing arm/engine linkage (5.3.3 (d)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies lever |1.3.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Front Stop lamp does not emit a steady light Front brake switch does not emit a light. |1.3.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Lower Rear suspension bush has excessive free play linkage |2.4.A2a|i|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Rear suspension bush has excessive free play linkige too much side to side at rear wheel main linkage bushes warn |2.4.A2a|i|| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Central Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Roller brake test indicates a binding brake calliper pistons rusty and were sticking, cleaned with emery cloth and lubricated |3.3.A1a| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. pitted stantion |2.3.1| | 1 |
| Offside Front Front suspension assembly component excessively corroded. station pitted |2.3.1| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Central Riders seat insecure does not lock or close correctly. lock broken (6.2.5 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases exhaust leaking (6.1.2 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both fork legs leaking oil. (5.3.2 (b)) | 1 |
| Front Forks insecure forks loose. headbearings (2.2.2 (d) (i)) | 1 |
| Front Headlamp aim not tested no main beam (4.1.2 (b)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake cable insecure | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock left lock stop missing (2.1.4 (a)) | 1 |