Question about Husqvarna "Chain Saw - 16" Bar, 3 Hp

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Carburetor problem How to adjust carburetor husqvarna 136?

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High speed H=3\4 turn

Low speedL=1 1/4 turn

idle speed t adjust accordingly.

regards savumihai71

Posted on Dec 14, 2008


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Husqvarna 136 chainsaw not starting.

I think your air fuel mixture isn't correct. I think you think that as well. This can be caused by a loose carburetor, cracked fuel lines, dirty air filter, plugged fuel filter, old fuel mix, and a few more things that aren't coming to mind.

If the saw runs lean it will be destroyed. It sounds as though your mechanical abilities are limited, if it's my saw I'd invest $40 in a tune up at the local saw shop (not lawn mower). If you opt for this, ask the mechanic the ratio of the fuel mix he used when making adjustments. Continue using this mix until the next tune up.

If you are bent on attempting to adjust your carburetor repost and someone else will certainly give you a sketchy explanation that may well lead to failure of your saw. HTH

Sep 23, 2009 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

1 Answer

Husqvarna 136 chainsaw

Both H and L screws should be set 1-1/2 turns out from stop. Turn the idle speed screw two turns in from where it is now. When you had the carburetor apart, did the rubber diaphragm seem hard? If it did, re-kit the unit. When you clean the carburetor body, use spray carburetor cleaner and use compressed air to blow out all fuel passages including the two mixture control screw holes. Be sure to check the condition of the fuel line and the air cleaner. Even a plugged muffler can cause weird problems.

Aug 23, 2009 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

5 Answers

Husqvarna chainsaw carburetor adjustment

Find the 2 screws. There will be a (h) high and (L) low. These are for hig rpms and low rpms. First tighten the screws. Then unscrew them about 1-1/4 turns. Then start the saw and let it warm up. Start with the high rpms first pull the trigger all the way then adjust the screw in 1/8 turns either way until it is running good at high rpms. Then work on the L rpms. Get the saw to idle then pull the trigger, there should not be any hesitation when going from L to H rpms. Just adjust the low same as the High. They have to work together so if the high is good and the low is not just right turn the h a small amount. If you have any more questions let me know

Jun 11, 2009 | Husqvarna Forest & Garden No.967012396 345...

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