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 Misifire

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markusinit




Misifire Empty
PostSubject: Misifire   Misifire EmptyMon Mar 25, 2019 3:46 am

Hi, I have just bought a 2010 WR250R.

The bike misfires pops then cuts out when held at about 1/4 throttle. It idles and revs up no problem.

It has a rewound stator, carb has been off and cleaned throttle pump its working well etc.

I have tried another stick coil. All connection sprayed and checked.

Valve timing has been checked.

Fresh fuel tried.

Exhaust is clear.

I have now ran out of ideas.

Any help would be welcome.

Thank you
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YZEtc

YZEtc


Misifire Empty
PostSubject: Re: Misifire   Misifire EmptyMon Mar 25, 2019 6:25 am

You wrote "carb" and "throttle pump".
Does this bike have a carburetor on it?
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markusinit




Misifire Empty
PostSubject: Re: Misifire   Misifire EmptyMon Mar 25, 2019 6:55 am

Yes it has a Carburettor
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YZEtc

YZEtc


Misifire Empty
PostSubject: Re: Misifire   Misifire EmptyMon Mar 25, 2019 7:18 am

In that case, it isn't likely a WR250R.
Is it actually a WR250F?
Can you post a pic of this bike?
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markusinit




Misifire Empty
PostSubject: Re: Misifire   Misifire EmptyMon Mar 25, 2019 7:23 am

Misifire Wr10

Here you go!
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YZEtc

YZEtc


Misifire Empty
PostSubject: Re: Misifire   Misifire EmptyMon Mar 25, 2019 7:53 am

I used to own one of those.
Mine was a 2009 model.

That's a WR250F, from 2007-2013.
The ThumperTalk forums is for you as there is a WR250F forum.
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markusinit




Misifire Empty
PostSubject: Re: Misifire   Misifire EmptyMon Mar 25, 2019 7:55 am

Thank you
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