| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 18 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 18 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 17 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 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 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 10 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Registration plate lamp issues | 7 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 7 |
| Stop lamp remains on when the brakes are released | 7 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Registration plate issues | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 4 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 3 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front All position lamps not working |4.2.1 |a|| | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 2 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Shock absorber has negligible damping effect seized |5.3.2 |b|| | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Brake disc contaminated (1.1.14 (b)) | 1 |
| Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Stop lamp not working rear brake stop lamp (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working all (4.4.1 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Exhaust silencer insecure Top Mounting bolt missing |8.1.1 |b| |i|| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure grab rail/rack (6.1.1 (b) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Shock absorber has a serious fluid leak L/H |5.3.2 |b|| | 1 |
| Shock absorber has negligible damping effect Rear |5.3.2 |b|| | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Offside Stop lamp not working brake switch |4.3.1 |a| |ii|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Brake lever so insecure that the brake cannot be readily applied loose on handlebars. (1.1.2 (e) (ii)) | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Fuel pipe so insecure there is a risk of fire pipe and filter hanging. (6.1.3 (a) (ii)) | 1 |
| Rear Position lamp not working stop lights staying on ,cant check rear light. (4.2.1 (a)) | 1 |
| Rear Suspension arm ball joint excessively worn swing arm come engine mount ,both. (5.3.4 (a) (i)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Road spring corroded so that its cross sectional area is reduced and seriously weakened (5.3.1 (b) (i)) | 1 |
| Nearside Direction indicator not working both |4.4.1 |a| |ii|| | 1 |
| Offside Direction indicator not working both |4.4.1 |a| |ii|| | 1 |
| Central Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied |1.1.2 |e| |ii|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Shock absorber has a serious fluid leak forks leaking massively
fork tubes massively scored (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Suspension arm damaged and seriously weakened |5.3.3 |b| |i|| | 1 |
| Front Shock absorber has a serious fluid leak Both fork seals leaking. (5.3.2 (b)) | 1 |
| Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |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 |
| Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Nearside Lower Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Position lamp adversely affected by the operation of another lamp not working when main beam on (4.2.3 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock sticking on R/H lock (2.1.4 (c)) | 1 |
| Nearside Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases downpipe (6.1.2 (a)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component Head Bearings |2.3.4| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Stop lamp not working Off the front break leaver |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Machine been out of use Switch lubed (4.3.2 (a) (iii)) | 1 |
| Rear Brake pedal has insufficient reserve travel rear brake adjusted Customer advised brake is near maximum adjustment (1.1.2 (a)) | 1 |
| Front Shock absorber has a serious fluid leak Forks (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect Forks (5.3.2 (b)) | 1 |
| Throttle operating incorrectly Tickover too high, pushing bike forward (6.2.7 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| Fuel cap ineffective unable to test as seat will not lift up (6.1.3 (b) (i)) | 1 |
| Central Front Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Position lamp not working All (4.2.1 (a)) | 1 |
| Direction indicator not working All (4.4.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Nearside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Rear position lamp incorrect colour white light to rear |1.1.2b| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Central Front All position lamps not working (4.2.1 (a)) | 1 |
| Central Rear All position lamps not working (4.2.1 (a)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Central Front Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies front brake stop light not working |1.3.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play headrace bearings had excessive free play in them,they have been adjusted (2.2.2 (f) (i)) | 1 |
| Riders seat insecure front hinge mount is broken on seat bucket (6.2.5 (a) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure front panel has no fixings and is very likely to fall off (6.1.1 (b) (i)) | 1 |
| Steering headbearing has excessive wear or free play excessively loose (2.2.2 (f) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Brake effort inadequate at a wheel |1.2.1 |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 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak fork seals leaking |5.3.2 |b|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working when rear brake applied (4.3.2 (a) (iii)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 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 |
| Stop lamp not working From n/s brake control (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected tickover too high (6.2.7 (a) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure mudguard (6.1.1 (b) (i)) | 1 |
| Forks excessively corroded |2.2.2 |d| |i|| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel fixing missing |single fixing| |5.2.1 |a| |ii|| | 1 |
| Central Rear Lower Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Stop lamp not working on front brake control (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has negligible damping effect heavy oiling of for leg indicating failed seal/worn fork (5.3.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working When using front brake control. (4.3.1 (a) (ii)) | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Front Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |