| Most common failures | No# failures |
|---|
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 43 |
| Headlamp aim out of alignment | 33 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 26 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 24 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 21 |
| Stop lamp remains on when the brakes are released | 18 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 16 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 15 |
| Registration plate issues | 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)) | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 12 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 12 |
| Front Brake excessively binding (1.2.1 (f)) | 12 |
| Stop lamp not working (4.3.1 (a) (ii)) | 12 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 11 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 11 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 10 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 8 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Rear Position lamp not working (4.2.1 (a)) | 6 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 5 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 5 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Offside Front Footrest insecure (6.2.12 (a)) | 5 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 5 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 4 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Stop lamp not working foot brake (4.3.1 (a) (ii)) | 3 |
| Horn sound not in accordance with requirements (7.7 (c)) | 3 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 3 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Brake performance unable to be tested (1.2.1 (g)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| All direction indicators missing (4.4.1 (a) (ii)) | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 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 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| 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)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Headlamp aim projected beam image obviously incorrect LED bulb (4.1.2 (c)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls front not working (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls SWITCH (4.3.2 (a) (iii)) | 1 |
| Offside Rear Direction indicator not working loose connection (4.4.1 (a) (ii)) | 1 |
| Rear Inner Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain excessively tight HAS BENT LINKS (6.1.7 (k) (i)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied REAR PEDAL SITING TO UP RIGHT (1.1.2 (d)) | 1 |
| Headlamp aim unable to be tested NO DIPPED BEAM (4.1.2 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| All direction indicators not working not switching on or off correctly (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working from front brake (4.3.1 (a) (ii)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp insecure headlight bowl broken (4.1.1 (c)) | 1 |
| Nearside Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Front Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Steering headbearing has excessive wear or free play lower bearing (2.2.2 (f) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation rear control (4.3.2 (a) (ii)) | 1 |
| Stop lamp not working front control (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Activation of the front brake does not illuminate the stop lamp. (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake fluid contaminated Rear brake fluid is excessively contaminated. (1.8 (a)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Handlebar mounting so insecure that steering is adversely affected Mounting bushings deteriorated. (2.2.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess Both sprockets worn out (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake lever doesn???t operate lamp (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake linkage has restricted free movement (1.1.15 (e)) | 1 |
| Rear Stop lamp not working rear light dose not light up from foot brake (4.3.1 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Position lamp lens seriously defective (4.2.1 (b)) | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb holder not sat in lamp correctly. (4.1.2 (c)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Front Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swing arm pivot bearings freeplay (5.3.4 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Handle bar stoplight switch not working. (4.3.2 (a) (iii)) | 1 |
| Rear Brake fluid not visible Rear brake reservoir. (1.1.10 (d) (iii)) | 1 |
| Drive chain excessively tight Seized. (6.1.7 (k) (i)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Direction indicator not working REAR R/H INDICATOR COMES ON WITH L/H FRONT.
REAR L/H INDICATOR NOT WORKING (4.4.1 (a) (ii)) | 1 |
| Suspension arm attachment bracket/mounting insecure swinging arm has excessive side to side play in it. (5.3.3 (a) (i)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned broken and facing the wrong way (4.4.3 (a)) | 1 |
| Rear reflector missing no rear reflector (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls does not operate with rear foot control (4.3.2 (a) (iii)) | 1 |
| Headlamp aim projected beam image obviously incorrect no beam image blur of light showing (4.1.2 (c)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Drive chain so loose it is likely to fail rusty and loose liable to jump the sprocket (6.1.7 (c) (ii)) | 1 |
| Front All position lamps light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Offside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Rear Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Stop lamp not working Front Brake Switch (4.3.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Stop lamp not working both front and rear (4.3.1 (a) (ii)) | 1 |
| Handlebar mounting insecure rubber mounting loose (2.2.1 (a) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revs up on right hand lock (6.2.7 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear 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 |
| Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Nearside Front Direction indicator not working Only working when handlebars are turned towards N/S (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted 2 split links fitted & both incorrect (6.1.7 (j) (i)) | 1 |
| Central Front Headlamp aim unable to be tested Dip beam not working (4.1.2 (b)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced Electrial fault dims indicator when steering is moved (4.4.3 (a)) | 1 |
| Offside Front Direction indicator light intensity significantly reduced Electrial fault dims indicator when steering is moved (4.4.3 (a)) | 1 |
| Central Front Headlamp not working on dipped beam Electrical fault when steering is moved causing dip beam only to work on full N/S lock (4.1.1 (a) (ii)) | 1 |
| Offside Front Exhaust has a major leak of exhaust gases Leaking at cylinder head (6.1.2 (a)) | 1 |
| Offside Exhaust system insecure (6.1.2 (a)) | 1 |
| Central Front Headlamp aim unable to be tested Dip beam not working in straight ahead position (electrical fault) (4.1.2 (b)) | 1 |
| Offside Rear Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake caliper inadequately mounted and braking performance affected Calliper mounting pin missing (1.1.16 (c) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Not working from hand lever. (4.3.2 (a) (iii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Exhaust has a major leak of exhaust gases At header (6.1.2 (a)) | 1 |
| Drive chain horseshoe locking device likely to become detached Damaged (6.1.7 (j) (ii)) | 1 |
| Offside Rear Lower Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking on bar end weight (6.2.7 (a) (ii)) | 1 |
| Offside Front Brake grabbing severely very dry lever pivot (1.2.1 (c)) | 1 |
| Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle not returning (6.2.7 (a) (ii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Clutch lever shortened so it cannot be readily operated Clutch lever snapped with sharp edges (6.2.7 (b)) | 1 |
| Front Brake excessively binding Front brake binding (1.2.1 (f)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Stop lamp not working front and rear applications (4.3.1 (a) (ii)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Rear swingarm bearings (5.3.4 (a) (i)) | 1 |
| Suspension component pin or bush excessively worn Swingarm pivot bush (5.3.4 (a) (i)) | 1 |
| Front Stop lamp not working front brake control (4.3.1 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced Rear subframe insecure (6.1.1 (b) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel spongy (1.1.2 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Stop lamp not working Control 1 front brake lever (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Control 2 rear brake lever (4.3.1 (a) (ii)) | 1 |
| Brake indicates excessive fluctuation of brake effort Contamination (1.2.1 (e)) | 1 |
| Position lamp switch insecure (4.2.2 (b)) | 1 |
| Fork yoke insecure both bolts missing (2.2.2 (d) (i)) | 1 |
| Nearside Front Upper All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Front Upper All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Central Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Stop lamp not working foot brake (4.3.1 (a) (ii)) | 1 |
| Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Brake hose connection leaking Connection at front caliper (1.1.12 (c)) | 1 |
| Rear Footrest missing Rear / Pillion footrests missing (6.2.12 (a)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam bulb blown. (4.1.3 (b)) | 1 |
| Offside Rear Brake performance unable to be tested brake down to metal (1.2.1 (g)) | 1 |
| Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected nearside switchgear fowling brake lever (1.1.2 (b) (ii)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied nearside switchgear fowling lever (1.1.2 (d)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Direction indicator not working works when want to front and rear (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly idle speed too high and some times increases on lock to lock (6.2.7 (a) (i)) | 1 |
| Headlamp incorrect colour lights up red around rim (4.1.4 (a)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swing arm (5.3.3 (a) (i)) | 1 |
| Stop lamp not working from rear control (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front lever (4.3.2 (a) (iii)) | 1 |
| Fork yoke insecure top yoke bolts missing (2.2.2 (d) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested dip beam not working (4.1.2 (b)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned hanging off (4.4.3 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls CONTROL (4.3.2 (a) (iii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working not working off the rear brake. (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front control inop (4.3.2 (a) (iii)) | 1 |
| Drive chain sprocket excessively loose 1 x rear sprocket mount securing nut missing (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front lever switch inop (4.3.2 (a) (iii)) | 1 |