| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 95 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 15 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 15 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 13 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 11 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Registration plate issues | 10 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 9 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 8 |
| Horn not working |1.7.3a| | 8 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 7 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 5 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 5 |
| Steering damper ineffective |2.1.2d| | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 4 |
| Nearside Rear Direction indicators not working |1.5.1c| | 4 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 4 |
| Offside Handlebar deformed |2.1.1b| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 3 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Headlamp damaged and function impaired |1.2.3a| | 2 |
| Front Headlamp insecure |1.2.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front mudguard insecure |2.3.7| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Lower Brake locking device missing |3.2.A1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Nearside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Front Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |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 |
| Nearside Front Brake disc insecure |1.1.14 |a| |ii|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Offside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Inner Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal |5.3.2 |b|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside 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 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Headlight has a kick up to the right. (4.1.2 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake grabbing severely front of bike bounces when brake constantly applied - bike becomes unstable under front braking (1.2.1 (c)) | 1 |
| Steering headbearing excessively stiff or notchy notch in centre of steering - likely to affect handling (2.2.2 (f) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected over revs on right lock (6.2.7 (a) (ii)) | 1 |
| Offside Front Brake disc contaminated covered in fork oil (1.1.14 (b)) | 1 |
| Brake performance not tested brakes covered in fork oil (1.2.1 (g)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |