| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 41 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 40 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 19 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 18 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 17 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 14 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 14 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 13 |
| Horn not working (7.7 (a)) | 10 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 9 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 9 |
| Registration plate issues | 8 |
| Stop lamp remains on when the brakes are released | 8 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 8 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Registration plate lamp issues | 5 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 5 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 5 |
| Front Position lamp not working (4.2.1 (a)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 3 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Nearside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Offside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Stop lamp not working Stop lamp not working when front brake applied (4.3.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn All rear shock bushes (5.3.4 (a) (i)) | 1 |
| Footrest missing Both rear (6.2.12 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect Left hand drive headlight, beam corrector fitted (4.1.2 (c)) | 1 |
| Nearside Rear Lower Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls Brake light does not operate from either brake control (4.3.2 (a) (iii)) | 1 |
| Central Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Headlamp aim unable to be tested Incorrect beam pattern (4.1.2 (b)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Direction indicator not working front and rear (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure side stand loose (6.1.1 (b) (i)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam Bulb blown. (4.1.3 (b)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Brake caliper excessively weakened by corrosion caliper locking due to corrosion (1.1.16 (d) (i)) | 1 |
| Steering headbearing excessively stiff or notchy excessively notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim unable to be tested DIP BEAM NOT WORKING (4.1.2 (b)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Stop lamp not working Handlebar switch seized. (4.3.1 (a) (ii)) | 1 |
| Central Front Stop lamp not working front Brake switch not working (4.3.1 (a) (ii)) | 1 |
| Central Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking on r/h lock (6.2.7 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn Swingarm pivot excessive play (5.3.4 (a) (i)) | 1 |
| Front Stop lamp not working BRAKE LIGHT SWITH REPLACED (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering headbearing excessively stiff or notchy stiff (2.2.2 (f) (i)) | 1 |
| Central Rear Upper Riders seat insecure Replace Missing Bolt For New PRS (6.2.5 (a) (ii)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain excessively tight, so that it is likely to fail Excessive tight spots. Chain replaced (6.1.7 (k) (ii)) | 1 |
| Riders seat insecure Two bolts missing from front of seat. (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working Both indicator lights working at the same time. (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working Both indicator lights working at the same time due to crossed wires. (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working Front brake light switch stuck in off position. (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls front brake switch not working (4.3.2 (a) (iii)) | 1 |
| Upper Fork yoke insecure clamp bolts missing both sides (2.2.2 (d) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Rear Footrest missing pillion foot rest missing (6.2.12 (a)) | 1 |
| Brake effort inadequate at a wheel Linked brake system rear to front (1.2.1 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Suspension arm pin or bush excessively worn both (5.3.4 (a) (i)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Drive chain excessively loose needs adjustment. (6.1.7 (c) (i)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Direction indicator lens defective such that the emitted light is adversely affected Fitted with after market integrated system. Rear directional indicator lights severley affected. (4.4.1 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Engine speed rises on right hand lock (6.2.7 (a) (ii)) | 1 |
| Offside Rear Shock absorber has an excessively worn bush top bush (5.3.2 (c)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Brake caliper excessively corroded and likely to crack (1.1.16 (d) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Stop lamp not working when front brake applied (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb fitted incorrectly (4.1.2 (c)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect both (5.3.2 (b)) | 1 |
| Nearside Motorcycle structure inadequately repaired such that it is likely to adversely affect braking or steering (6.1.1 (d) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing has excessive wear or free play steering head bolt loose (2.2.2 (f) (i)) | 1 |
| Nearside Front Upper Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Horn sound not in accordance with requirements horn sticks on (7.7 (c)) | 1 |
| Drive chain excessively tight adjusted and lube (6.1.7 (k) (i)) | 1 |
| Headlamp not working on dipped beam new bulb fitted and ok (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect wrong kick on beam pattern. kick covered over with tape. (4.1.2 (c)) | 1 |
| Rear Suspension component pin or bush excessively worn Rear Swinging Arm Bushes (5.3.4 (a) (i)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Central Front Upper Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Upper Stop lamp not working front oprated brake light (4.3.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam bulb blown. (4.1.3 (b)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Front Inner Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Lower Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Rear Brake excessively binding unable to check wheel bearing (1.2.1 (f)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Drive chain sprocket worn to excess at least one tooth bent likely to fail (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 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 Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake excessively binding (20kg) before brake applied (1.2.1 (f)) | 1 |
| Front Brake excessively binding (floor test) (1.2.1 (f)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation Does not illuminate brake lamp when applied (4.3.2 (a) (ii)) | 1 |
| Headlamp aim unable to be tested Dip beam not working (4.1.2 (b)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect kick up to right (4.1.2 (c)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb appears to incorrectly fitted (4.1.2 (c)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Footrest missing both rear siezed (6.2.12 (a)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail drive chain too tight (6.1.7 (k) (ii)) | 1 |
| Rear Drive chain horseshoe locking device likely to become detached chain clip damaged (6.1.7 (j) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up rear wheel bearings (5.1.3 (b) (ii)) | 1 |
| Front Suspension component damaged and seriously weakened both front forks bent (5.3.3 (b) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering wheel alignment out due to bent forks (2.4 (a)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level rear m/cylinder low (1.1.10 (d) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn rear disc (1.1.14 (a) (i)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Rear Inner Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Offside Footrest insecure right hand front foot rest snapped (6.2.12 (a)) | 1 |
| Rear Brake clevis joint insecure (1.1.15 (c)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swingarm loose (5.3.3 (a) (i)) | 1 |