Question about Makita DCS34 Commercial Grade 14Inch 33cc 2Stroke Gas Powered Chain Saw

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Makita DCS34 chainsaw After a period of use ( this varies from 15 mins to 90 mins) the saw will tick over but will not rev ( just as if it is running out of fuel) also the priming bubble sticks in when pushed. If the saw is left for 30 mins it is ok again for a while, but is getting worse. Regards Martin

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This could well be an issue with the fuel tank breather, when the problem occurs try quikly losening the fuel cap, if it picks up again it needs the take breather replacing

Posted on Apr 03, 2011

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Remove the plug leave it on the wire check for spark plug must be grounded.

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Mar 25, 2011 | Makita 33cc Chain Saw w/16" Bar DCS34-16A

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What should the compression be for the makita dcs34?

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Sep 07, 2010 | Makita DCS34 Commercial Grade 14Inch 33cc...

1 Answer

How do you set up a carb on makita chain saw

You provide no manual, I chose a "DCS34" a link follows:
It lists no starting point for the "H" and "L" needle valves, I recommend 1.5 CCW from lightly seated. then tune for performance like this:
Carburetor Adjustment by
CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
Clean the air filter and spark arrestor; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run. If the saw cannot exhale it cannot inhale.

There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too.

If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH

Mar 02, 2010 | Makita 33cc 14-Inch Bar 1.9 HP Gas Powered...

1 Answer

This saw is less than 12months old,had started and run well now will not start.has a good spark on the plug, engine seems to flood with fuel mix,will not fire at all.Regards Peter

This is a reoccurring theme in most chain saws at on time or another.
I would get a new plug to start with even though it appears to have a good spark. (always start with the easiest first)
Next I would discard fuel in tank and mix a new batch, just in case.
I would also go back over start instructions on manual just to make sure that I wasn't missing a step or had unintentionally modified the procedure. ( I am including a link to download a manual if you don't still have one )
The very last thing that I would try is adjusting is the carb. If you do remember to adjust in small regulated increments. I have a saw that I have marked with a scratch because about every 15 hrs. the set screw has vibrated off its setting.


Hope this helps you,

Oct 17, 2009 | Makita 33cc 14-Inch Bar 1.9 HP Gas Powered...

1 Answer

I need an instruction manual for makita chain saw DCS34

you can purchase one from most manuals cost $ 8.99. hope this helps

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