Question about Husky Husqvarna Chain Saw 240E w 16in bar

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Even though i have rebuilt the carb on my husqvarna 240e saw its a zama carb and it still isint doing right it will crank up and give it gas and it dies, a person told me that the 2 cycle carburetors have a coating and the ethano; gas eats the coating off and they are messed up , my question is i have a new zama carburetor i need to get and put it on my saw BUT will i have to set it any or will it be ready to go

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It will be set at base settings, you will need to fine tune from there, the mixture screwsrequire a special tool to adjust them part no. 530035560 the screw heads have a star not a screw driver slot, max free running speed should not exceed 12500 +- 500 rpm they are not the easiest machine to tune due to the X Torque cylinder design.

Posted on Apr 15, 2011


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Hi and welcome to FixYa, I am Kelly You should have 120 PSI or greater compression. There is a ported compression release so you may see as little as 110 PSI but it is best to see 120 or greater.

The Owners manual is here:

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Make sure that the air filter isn't blocked.
Check the throttle cable is operating the throttle plate in the carburettor ok.
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The carburettor should be a tight fit on the air inlet manifold.
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let me know regards savumihai71

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