| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 69 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 17 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 16 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 16 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 13 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 9 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 9 |
| Horn not working |1.7.3a| | 7 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 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 |
| Registration plate issues | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Steering damper ineffective |2.1.2d| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort excessive travel on rear master cylinder |3.3.A1c| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Clutch lever positioned so it cannot be readily operated. Clutch lever fowling heated grip when applied |6.2.1g| | 1 |
| Throttle operating incorrectly Throttle twist grip insecure |6.2.1f| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Drive belt excessively loose |6.1.7 |c| |i|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Rear Drive belt guard insecure |6.1.7 |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Steering lock stop ineffective handlebars too low fouling tank lock to lock |2.1.3| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Steering headbearing excessively stiff or notchy notchy |2.2.2 |f| |i|| | 1 |
| Rear Front mudguard can easily contact any fixed point of the motor bicycle. |2.3.7| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil Oil running down leg |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil Oil running down leg |2.3.3| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Shock absorber has a serious fluid leak FORK SEAL |5.3.2 |b|| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies both hand and foot |1.3.1a| | 1 |
| Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Front Decelerometer brake test indicates a severely juddering brake |3.3.E1e| | 1 |
| Rear Brake fluid reservoir cap missing |3.2.B1c| | 1 |
| 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 |
| Nearside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Lower Stop lamp insecure |1.3.3b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp missing |4.2.1 |a|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Nearside Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Centre Stand Bolt Missing |6.2.1h| | 1 |
| Stop lamp remains on when the brake is released handle bar control |1.3.1e| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected knotchy |2.2.2 |f| |ii|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 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 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Front Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Front Steering damper ineffective |2.1.4 |d| |i|| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Direction indicator not working wiring snapped (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |