| Most common failures | No# failures |
|---|
| Registration plate issues | 35 |
| Rear reflector on motorcycle missing |1.4.1| | 33 |
| Headlamp aim out of alignment | 25 |
| Rear reflector missing (4.8.2 (a) (ii)) | 14 |
| Registration plate lamp issues | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Horn not working |1.7.3a| | 7 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| 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| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear All position lamps not working (4.2.1 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Direction indicators not working all missing |1.5.1c| | 1 |
| Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Central Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Central Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Brake disc|s| excessively scored both front discs |3.2.A1l| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering mirror fouling handlebars |2.1.2a| | 1 |
| Offside Front Upper Direction indicator not working |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Headlamp missing dip beam bulb blown/ replaced with a new bulb |1.2.3a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort Front brake fluctuation on brake test |3.3.A1d| | 1 |
| Front Direction indicators not working Both front and rear right hand indicators do not work |1.5.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. Left hand grip not secure |2.1.1c| | 1 |
| Horn is not continous or uniform Horn cannot be heard over engine noise |1.7.3c| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear reflector on motorcycle incorrectly positioned (1.4.2d) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 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 |
| Nearside Rear All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Offside Rear All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain sprocket so loose it is likely to fail Pinch bolt loose. (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Outer Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Exhaust system insecure END CAN (6.1.2 (a)) | 1 |
| Nearside Drive chain sprocket excessively loose one locking nut missing (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced wire loose in connector (4.4.3 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffle missing (8.1.1 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam head lamp connection loose. reconnected now working (4.1.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Direction indicator not working Rear O/S Indicator Not Working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording FOR RACE USE ONLY (6.1.2 (c)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Baffle missing (8.1.1 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Road spring insecure (5.3.1 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Outer Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working broken wire (4.4.1 (a) (ii)) | 1 |