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Need tool for adjusting air fuel ratio for husqvarna 235 chain saw

Need to adjust carburator air fuel ratio

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  • 66 Answers

These tools are not available to the public. There is a specific penalty that can be levied if the owner adjusts these screws. A local dealer should make the adjustment.
The tool is not available through Husqvarna.

Posted on Mar 09, 2017

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  • 1,169 Answers

It should be a spline tool. It is the most common one.
Genuine Poulan Weedeater Part 530035560 Carb Adjusting Tool

If you work a lot 2 cycle trimmers and chainsaws you might buying the set of four adjustment tools.
2 Cycle Carburetor Adjustment Kit Includes 530035560

Posted on Nov 09, 2014


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Posted on Jan 02, 2017

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SOURCE: Husqvarna Model 141 Chainsaw Carb adjustment

The tool you need is available from Randy's Engine Repair, on his E-Bay store. The price is about $10., plus $3. shipping. Phone for Randy's is (937) 927-5665. It is usually busy.
Ebay item number is: 390025452838. Buy it online. I got mine about a week after I ordered it.

Posted on Sep 11, 2009

  • 197 Answers

SOURCE: can't find a husqvanna chain saw carburator

You may have the one that uses splined adjustment screws rather then limiters.If you do you can order this from your husky dealer.You can tell if you have limiter caps by shining a light through the screw hole and see if caps are white or red.If black you have round splined needle ends that take a hard to get adjustment tool.

Posted on Nov 18, 2009

  • 2100 Answers

SOURCE: What tool do I need to adjust the high & low

Should just be a little bladed screw driver, most are, turn the screw very little, 1/4 turn at a time till something changes, they are sensitive. If you run out of adj and nothing has changed, turn the screws in all the way, both of them, then out 1 1/2 turns, this will get you running, you can fine tune from there.

Posted on Aug 29, 2010

  • 2239 Answers

SOURCE: how to adjust the carburator

Unfortunatly there are special tools required to adjust the screws, the screws are set from the factory for the best emmisions. The screws are anti tamper with splines rather than a screw driver slot, before making any adjustments check fuel filters and hoses first, it is not good to try and compensate for fuel blockages by richening the carb, max rpm must be set up useing a engine tahco and should not exceed 12500

Posted on Dec 29, 2010

  • 2239 Answers

SOURCE: I have a husqvarna 435 chain saw and need to

There is a special tool required, the part no is 530035560 available from Husqvarna/Jonsered dealers, as posted earlier this should be a dealer adjustment as the machine is new.

Posted on Jan 05, 2011

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General advice aplicable for all gas powered chain saws;
Clean air filter regularly.
-Adjust spark plug gap (very important). A faulty gap will either cause poor spark or a overloaded and damaged spark plug coil.
-Use correct good quality spark plug
-Use correct oil/fuel mix ratio and correct oil.
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Carburator adjustment;
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- fuel-air mixture screws can be set to standard factory setting as a start. Normally there are 2 screws labeled L and H, for Hi and Low rpm band adjustments. Factory setting are usually 3/4 turn out(anti clockwise) from fully closed setting for both (clockwise to closed position).
Experiment with adjustments by 1/8 increments at the time. Anti clockwise turning will increase fuel to air ratio and opposite. Warm weather will require a slightly leaner mix and cold weather will reqire a slightly richer mix(more fuel). Low rpm setting only serves the idling performance. The Hi rpm setting can be evaluated by removing the spark imediately after running at full load for a period. The spark plug should be dry, and be lightly brownish at the electrodes. White-ish color indicates low fuel to air mix, and this causes too high combustion temperature. A black colour indicates a too high fuel to air mix ratio, and it causes carbon build up on the plug.

If you still have starting problems, cylinder/piston compression is the next to check for. This is a more extensive job and should best be left to professionals, unless you are very skilled and have access to special tools required. Compression on modern saws are very delicately balance, so the slightest damage to either the rings, piston or cylinder can cause problems. Is is not alwas worth to replace the cylinder and piston kit, so compare prices and ask for advice at your dealer.

I hope this helps you.

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