Question about 1996 MZ Skorpion 660 Sport

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Motorcycle wont start. It has new plug and HT lead and spark appears healthy. Fuel is getting through-I have checked carbs and fuel pump and have found no fault. As it turns over there is audible combustion-but only as starter turns it.On a couple of occasions it has started weakly and run for a few seconds. Bikke was running normally prior to cutting out and refusing to re-start. With a new plug it started and ran normally for about 2 miles before cutting out again.

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  • laddie22 May 25, 2010

    Did you fuel up shortly before the problems started?

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MAN IT SURE SOUND LIKE WATER IN THE CARBS.. SEE IF YA CAN DRAIN THEM IT HAS A SCREW ON THE BOTTOM OF EACH CARB TO DO THIS. CHECK THE GAS FILTER ALSO ...F'N I WAS ANY HELP AT ALL PLEASE VOTE.. JAY

Posted on May 25, 2010

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I have a 2002 bmw 316ti compact and it wont start, theres plenty of fuel its turning over fine but just acting like theres no fuel. help the cars stuck at work


faulty fuel pump, - check for spark by pulling one of the spark plugs and holding ht lead close to engine block, check when turning over for lightning spark from lead to block, if you have spark then i would suspect fuel pump

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1 Answer

Suzuki gsxr 750 slingshot cranks but wont start.


For a motorcycle engine to run you need compression, ignition (spark) and fuel. Quite often with a bike like a Suzuki if the plugs get even a little wet but otherwise look like great plugs, the motorcycle will not start. So, new plugs are a good place to start, however if you put in new plugs and try to start a few times and have fuel but no spark the new plugs may become unable to start also.

FIRST check to see it you have spark at the spark plugs, then remove the plugs and either do a compression test with a gauge OR put a finger over the plug hole and turn it over and if you have adequate compression the engine will blow your finger off of the hole when it comes up on the compression stroke.

If you have a carburetted bike you can check for fuel by taking off the air filter and operating the throttle a few times full open in which case the accelerator pump should eject a spray of fuel into the carburetor throat. With Carb or Fuel Injection you could also spray some fuel into the carb throat or the induction module throat while turning the engine over with spark at the plugs. If you have spark and compression but no fuel th eengine will fire when you spray the fuel into it.

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1 Answer

Car wont start but kicks over


Since you do have A fully charged battery and also you do receive fuel smell after crank start and the car wont start,either you do have an Ignition fault means not giving the spark,advice remove the spark plugs and check whether are wet with fuel,see whether are black,if so change them and before start check by leaving an HT lead off a spark and use one of the old ones connected to the HT lead and earthed to the engine,ask somebody to start the engine checking for any spark comes out. If yes then put the HT lead back to the new spark on the engine and try. If ther is not any spark,then you have to go backwards from the HT leads to distributor,Rotor Arm,Electronic igniter,Coil if is fitted,Fuse and relay. Good Luck.

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1 Answer

Yamaha dt 125 r wont stay running


service it, thats plugs air filter, check ht cap and lead.
if you done that then check spark is good,
though if the sparks bad its rectifier or cdi problem, double check batteries good as sometimes they earth out when old.
if thats ok its fuel checking time, is fuel getting to carbs ok,,do carbs need a service

by the way carbs=carberreta

Feb 14, 2013 | Yamaha DT 125 R Motorcycles

1 Answer

Aprilia rs 125 won't start!!


right you done quite a bit, so whats left, fuel seems ok .. so ht lead ht cap, spark plugs dont always come with right gap, any leaks with airflow either side of carb, remember the filter often acts as a restrictor too. try the putting a small amount of fuel in cyclinder after cleaning plug, should atleast get a backfire, is choke setup ok, carb mix if not factory sealed is generally 1 and 3/4 turns out from tight,

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My Mitsubushi Space Star Car won't Start. What can I try?


spark plugs are deep in the head yet you should get all the the old fuel out first, stale fuel wont ignite and will also clogg fuel filter. you need a mix of atleast 70% new fuel even then its not good for the injecters. If its a manual gearbox a tow start is a quick fix although no go for auto's. cant be much wrong if car was fine when parked, plugs-fuel-filter and possibly fuel pump for sure. If that doesnt fix take plug out put in lead and crank engine to be sure you have spark even just put any plug you know works in lead leaving your plugs in engine just to check for spark y turning over engine looking for spark on plug good spark will be blue but any spark is good.

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1 Answer

ENGINE WONT IDLE


COMMON FAULT, FLOAT IN CARB CAN STICK CAUSING FUEL STARVATION REMOVE FUEL BOWL CHECK THE FLOATS FOR FREE MOVMENT {WD40} DOES THE BIKE START THEN CUT OUT OR ONLY RUN WHEN THROTTLE TURNED AND NOT IDLE. IDLE JET IN CARB COULD BE BLOCK WITH DIRT , IF DOES NOT START AT ALL CHECK YOU HAVE SPARK AT PLUG ,REMOVE PLUG FROM HEAD PUT INTO HT LEAD HOLD AGAINST ENGINE HEAD TURN ENGINE OVER YOU WILL SEE SPARK {IF YOUR UNLUCKY YOU,LL FEEL IT } HOPE YOU SORT IT OUT GOOD LUCK {FROM AN AUTO ELECTRICIAN]

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1 Answer

Fuel system has been flushed and prooved that that isnt my problem as to why it wont start , could you possibly tell me any other reasons it wont start ? batterys good , got new spark plug , loads of fuel...


Remove the air filter and clean or replace it. Get a can of spray starter fluid and spray into the carb before mounting the filter. Chances are the new spark plug is wet from gas.

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1 Answer

Engine has no spark. 3HP Briggs and Stratton +


If you get a shock from the HT lead then you do have spark!!

Connect spark plug with it removed and shorted to see if there is spark, if not use screw driver to hold away from steel (1/4") with end inserted in HT lead,If good spark / faulty spark plug.

Check for
Spark
Fuel to spark plug
No air leaks.

Mar 16, 2010 | Briggs & Stratton 1928 1 amp Transfer...

1 Answer

CRANKS BUT WONT START


first, get a spark plug and connect it to any of the HT cables, earth it against the engine and get someone to crank the engine, look to see if you have a spark, if it idoes, then it seems the electronics for ignition are ok, remove the spark plug and refit the HT cable if not , i would suggest you take the car to an auto electrician, because it could be beyond your capabilities of tools,testers and knowledge.
If you do have a spark, then check to see if you are getting fuel to the engine, you need to check if the fuel pump is working, switch on the contact and listen , near the tank, for a buzzing sound, that should be the pump working, if not, first check the fuses, if the pump isnt working and trhe fuses are ok, then its propable that the pump is dead, and you would need to replace it, If the pump is working , you need to check on the engine that fuel is getting into either the carburrettor or fuel injectors, whichever you have on that engine. If its a carb model, then slacken the fuel pipe into the carb and just quickly put the contact on to see if there is fuel, likewise with fuel injection, slacken the pipe on the fuel rail and check. BE CAREFUL doing this , NO SPARK or Naked FLAMES when this is being checked..
If you have fuel and a spark, then you need to check the engine compression, timing belt ( valve timing ) etc
Without being dis respectful, has the correct fuel been put into the tank, many times i have had cars that have been filled with diesel instead of petrol and visa versa.
Hope this helps

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