| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 31 |
| Headlamp aim out of alignment | 28 |
| Rear reflector missing (4.8.2 (a) (ii)) | 23 |
| Front Brake excessively binding (1.2.1 (f)) | 15 |
| Registration plate issues | 14 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 13 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 11 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 7 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 5 |
| Offside Rear Footrest missing (6.2.12 (a)) | 5 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 4 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 3 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 3 |
| 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)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Footrest missing both (6.2.12 (a)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort 35kg (1.2.1 (e)) | 2 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| All direction indicators missing (4.4.1 (a) (ii)) | 2 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Central Front Headlamp insecure (4.1.1 (c)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Rear Brake pivot excessively worn brake lever (1.1.15 (b)) | 1 |
| Drive chain worn to excess and loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen pattern obviously incorrect (4.1.2 (a)) | 1 |
| Offside Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Central Front Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Rear Brake lagging in operation spongy (1.2.1 (d)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect has part of pattern deflecting to the right (4.1.2 (c)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced OF ENGINE LOCKING NUT MISSING (6.1.1 (d) (i)) | 1 |
| Front Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced BOLT ONE FRONT OF ENGINE (6.1.1 (d) (i)) | 1 |
| Front Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced BOLT 2 FRONT OF ENGINE (6.1.1 (d) (i)) | 1 |
| Rear Footrest missing BOTH (6.2.12 (a)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached ++++++ Missing +++++++ (6.1.7 (j) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake caliper inadequately mounted Caliper bush missing (1.1.16 (c) (i)) | 1 |
| Stop lamp not working Rear (4.3.1 (a) (ii)) | 1 |
| Rear Footrest missing Both (6.2.12 (a)) | 1 |
| Throttle operating incorrectly throttle housing not secure (6.2.7 (a) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Shock absorber has an excessively worn bush top bush (5.3.2 (c)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Headlamp aim not tested unable to test due to headlight not secure (4.1.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering steering out of alignment (2.4 (a)) | 1 |
| Suspension arm ball joint excessively worn lower front shock linkage (5.3.4 (a) (i)) | 1 |
| Handlebar restricted in free movement from lock to lock speedo cable requires securing at bottom end (2.1.4 (c)) | 1 |
| Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front lever does not operate stop light (4.3.2 (a) (iii)) | 1 |
| Shock absorber has a serious fluid leak both front forks leaking (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls not operating on front brake lever (4.3.2 (a) (iii)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted Fitted in wrong direction. (6.1.7 (j) (i)) | 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 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Headlamp incorrect colour Blue (4.1.4 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Shock absorber has an excessively worn bush lower bush (5.3.2 (c)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected Insecure to handlebars (6.2.7 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected Excessively distorted wheel rim on O/S (5.2.2 (c) (ii)) | 1 |
| Offside Throttle operating incorrectly Throttle races when steering is on O/S lock (6.2.7 (a) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Brake caliper operating mechanism has excessive travel Rear brake pedal has excessive travel. (1.1.16 (e) (i)) | 1 |
| Offside Front Position lamp switch insecure Right hand switch unit insecure. (4.2.2 (b)) | 1 |
| Nearside Handlebar grip missing (2.2.1 (d) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Stop lamp not working Brake lamp not operating with front brake lever. (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Left fork leaking fluid. (5.3.2 (b)) | 1 |
| Nearside Rear Drive chain excessively loose chain loose and worn. (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached Missing (6.1.7 (j) (ii)) | 1 |
| Vehicle identification number has more than one different number displayed (0.2 (c)) | 1 |
| Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Brake hose connection leaking (1.1.12 (c)) | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn Rear shock linkage (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swing arm bearings (5.3.4 (a) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected insecure on handlebars (6.2.7 (a) (ii)) | 1 |
| Nearside Front Brake hose damaged and likely to fail on caliper (1.1.12 (a)) | 1 |
| Nearside Headlamp insecure straps missing (4.1.1 (c)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected insecure (6.2.7 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn linkage (5.3.4 (a) (i)) | 1 |
| Rear Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Drive chain excessively tight, so that it is likely to fail chain too tight, also tension varies so possibly worn uneven (6.1.7 (k) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn Bottom bracket (5.3.4 (a) (i)) | 1 |
| Offside Front Throttle operating incorrectly Throttle unit insecure (6.2.7 (a) (i)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Lower Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Brake component modification adversely affecting braking performance Linked brake bypassed (1.1.21 (d) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake component inadequately mounted brake pipe loose and resting on engine (1.1.21 (c)) | 1 |
| Brake component inadequately mounted brake pipe trapping between tank and bottom yoke (1.1.21 (c)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Footrest missing Pillion (6.2.12 (a)) | 1 |
| Drive chain worn to excess new chain fitted (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls With front brake. (4.3.2 (a) (iii)) | 1 |
| Handlebar grip insecure to handlebar L/H (2.2.1 (d) (ii)) | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Rear Direction indicator not working on steering ..lock to lock (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush Shock mount (5.3.2 (c)) | 1 |
| All direction indicators light intensity significantly reduced less than half leds not working (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Lower Suspension component pin or bush excessively worn rear lower shock bush/linkage worn to excess (5.3.4 (a) (i)) | 1 |
| Front Brake disc significantly and obviously worn front brake disc worn to excess (1.1.14 (a) (i)) | 1 |
| Fuel system component leaking major fuel leak from airbox/engine overflow when vehicle is cranked over (6.1.3 (b) (i)) | 1 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Rear Brake component insecure Linked Brake valve block not secured to bike (1.1.21 (c)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear Footrest missing Pillion footrests missing. (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing Pillion footrests missing. (6.2.12 (a)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Stop lamp not working off front brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment brake linkage loose (1.1.15 (f)) | 1 |
| Central Rear Upper Stop lamp not working Front brake switch intermittent operation causing brake light flicker (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake lever excessively worn broken and taped together (1.1.15 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |