| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 43 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 18 |
| Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 12 |
| Rear reflector missing |4.8.2 |a| |ii|| | 11 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 11 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 9 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 9 |
| Registration plate lamp issues | 8 |
| Registration plate issues | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Headlamp insecure (4.1.1 (c)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Front Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 2 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Front Headlamp insecure |1.2.3b| | 2 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Front Brake caliper operating mechanism has excessive travel |1.1.16 |e| |i|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Bodywork |6.1.1 |b| |i|| | 1 |
| Horn sound not in accordance with requirements not releasing when pressed |7.7 |c|| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Central Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Brake drum|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing locks in centre position |2.2.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested Headlight, exhaust, and throttle not tested as bike will not start |4.1.2 |b|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure centre stand has no return spring and is dragging on ground. |6.1.1 |b| |i|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust excessively deteriorated leaking |7.1.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front control |1.3.1a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 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 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Handlebar excessively deformed |2.2.1 |c| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Shock absorber has negligible damping effect Rear |5.3.2 |b|| | 1 |
| All direction indicators adversely affected by the operation of another lamp stop working when brake applied (4.4.3 (b)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp light source and lamp not compatible no pattern on dip (4.1.4 (c)) | 1 |
| Motorcycle structure has a fracture which is likely to adversely affect braking or steering front mud gaurd loose (6.1.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases leaking where down pipe bolts to engine barrel (6.1.2 (a)) | 1 |
| Front Valve stem seriously damaged heavily cracked (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged heavily cracked (5.2.3 (j)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever has inadequate reserve travel (3.1.3b) | 1 |
| Rear Brake lever has inadequate reserve travel (3.1.3b) | 1 |
| Shock absorber has a serious fluid leak Both forks (5.3.2 (b)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Rear Inner Footrest missing (6.2.12 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Nearside Brake lever has insufficient reserve travel Rear Brake Lever no reserve Travel (1.1.2 (a)) | 1 |
| Riders seat insecure Locks intermittently (6.2.5 (a) (ii)) | 1 |
| Central Rear Position lamp likely to become detached Broken and hanging on wires (4.2.1 (c) (ii)) | 1 |
| Headlamp aim not tested Headlamp and fairing loose (4.1.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect Seized (5.3.2 (b)) | 1 |
| Nearside Rear Lower Shock absorber insecurely attached Mounted wrong way round. Bolt insecure (5.3.2 (a) (i)) | 1 |
| Nearside Rear Lower Brake lever has insufficient reserve travel Rear Brake Insufficient Reserve Travel , Lever Come To The Bar (1.1.2 (a)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls Brake Light Not Working (4.3.2 (a) (iii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Central Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Lower Motorcycle structure is so deformed it is likely to adversely affect braking or steering Centre Stand not retracting and badly deformed so as to affect handling. Centre stand hanging down as to be dangerous while riding (6.1.1 (a) (ii)) | 1 |
| Front Brake grabbing severely needs new pads down to metal (1.2.1 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Steering damper in such a condition that the steering action is adversely affected no damping in rear shock (2.1.4 (d) (ii)) | 1 |
| Front Throttle operating incorrectly throttle does not return all the time (6.2.7 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Riders seat insecure Does not lock (6.2.5 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel Touching handlebars upon application (1.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Headlamp aim not tested Aim not tested due to headlamps insecure. (4.1.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect Front forks have no damping. Both legs have misting of oil. (5.3.2 (b)) | 1 |
| Direction indicator not working Indicators stop working when engine revved. (4.4.1 (a) (ii)) | 1 |
| Front Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp Does not extinguish (4.4.3 (b)) | 1 |
| Central Riders seat insecure Does not lock (6.2.5 (a) (ii)) | 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 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel lever hitting handlebar (1.1.2 (a)) | 1 |
| Rear reflector missing Obstructed by number plate (4.8.2 (a) (ii)) | 1 |