| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 32 |
| Rear reflector missing (4.8.2 (a) (ii)) | 30 |
| Rear reflector missing |4.8.2 |a| |ii|| | 25 |
| Registration plate issues | 24 |
| Registration plate lamp issues | 23 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 17 |
| Headlamp aim out of alignment | 15 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 9 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 9 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 8 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| 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)) | 5 |
| 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|| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 4 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 3 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 3 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Brake fluid reservoir cap missing |3.2.B1c| | 1 |
| Central Rear reflector on motorcycle missing |1.4.1| | 1 |
| 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 |
| Front Brake component has an inadequate repair Front brake lever and master cylinder perch is insecure. |3.1.5| | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - replaced as needed (4.8.2 (a) (ii)) | 1 |
| Central Rear Outer Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake master cylinder reservoir cap missing |1.1.10 |e|| | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 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 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake master cylinder reservoir cap missing (1.1.10 (e)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Central Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Roller brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording mufflers (6.1.2 (c)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Brake pedal insecure Rear Brake pedal loose (1.1.2 (e) (i)) | 1 |
| Rear Brake effort inadequate at a wheel when first applied (1.2.1 (a) (i)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Horn not working intermittent working (7.7 (a)) | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Rear Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Riders seat insecure riders seat was insecure due to being raised above maximum limit - returned to standard height to correct loose seat (6.2.5 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp not working front and rear (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake component insecure Brake Fluid Reservoir (1.1.21 (c)) | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Central Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Fork yoke insecure locking bolt very loose (2.2.2 (d) (i)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake caliper insecure bolts loose (1.1.16 (c) (i)) | 1 |
| Front Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Throttle operating incorrectly throttle grip is loose |6.2.7 |a| |i|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Rear Lower Brake pedal is positioned so that the brake cannot be readily applied rear brake pedal catching on exhaust butterfly valve - have re positioned lower pipe to clear valve / pedal whist breaking. (1.1.2 (d)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive chain worn to excess Tight spot (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Throttle operating incorrectly Throttle grip wont come back to close position automatically. (6.2.7 (a) (i)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Brake indicates excessive fluctuation of brake effort front discs (1.2.1 (e)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort Front brake discs warped (1.2.1 (e)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Handlebar excessively deformed Right side oh handlebar bent (2.2.1 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling Wheels significantly out of alignment (2.4 (a)) | 1 |
| Rear Brake performance not tested |1.2.1 |g|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 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 Brake master cylinder defective but brake still operating |1.1.10 |b| |i|| | 1 |
| Rear Rear reflector missing fit rear reflector |4.8.2 |a| |ii|| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Stop lamp affected by the operation of another lamp Rear Indicators and Brake Light both obscured when applied at the same time |1.3.2| | 1 |