Author Topic: Jonsered 2040 Turbo over fuelling?  (Read 2314 times)

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Offline JonF

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Re: Jonsered 2040T over fuelling?
« on: June 01, 2014, 02:15:27 pm »
So I have checked the gaskets are correct. The metering lever is set at about 1mm below the recess. Still seems to over fuel.

If I give the saw a couple of pulls with the fuel line open then close it, the saw starts and runs ok for 5secs.  As soon as I unclamp the fuel line, it dies.

Should I try changing the metering needle too? Not much else is there?
The carb to cylinder gasket is not great but I guess the pulse must be ok as it is over fuelling it.

The other thing I have noticed is the saw tends to leak some fuel from the crank case screws in the bottom of the housing. Not much but enough to leave a mark. 

Thanks for the help. 

 

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