Author Topic: Stihl 026 Carb issues  (Read 3492 times)

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Offline huskyman

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Stihl 026 Carb issues
« on: January 23, 2012, 10:08:28 pm »
Hello everyone, I have a Stihl 026 (not pro) with a Walbro wt194 carb. I have kitted the carb and completely dismantled the carb and cleaned it thoroughly and installed the new kit. I installed a new fuel line with filter and the intake line. I checked the intake for leaks and it had none. I reassembled the carb and backed out the high and low screw out 1 turn. It is idling good but when I give it gas it is bogging down and not reeving up at all. It is also shooting gas out of the back of the carb when I give it gas. Any ideas do I need a new carb?

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Offline Al Smith

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Re: Stihl 026 Carb issues
« Reply #1 on: January 23, 2012, 10:18:01 pm »
Fatten up the low speed a tad and see what that does . For what ever reason you're not getting enough pressure drop across the venturi and it's spitting back .

Hmm kinda reminds me of  an intern and a blue dress ---won't go there . :-X

Offline huskyman

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Re: Stihl 026 Carb issues
« Reply #2 on: January 23, 2012, 10:33:57 pm »
When you say fatten up you mean back it out? If so I have done that several times and done it while giving it gas the same result each time ???

Offline Al Smith

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Re: Stihl 026 Carb issues
« Reply #3 on: January 23, 2012, 10:52:52 pm »
http://wem.walbro.com/distributors/servicemanuals/    click on WT and down load the manual .They tell it better than I can

Offline huskyman

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Re: Stihl 026 Carb issues
« Reply #4 on: January 24, 2012, 07:51:21 pm »
Ok I adjusted this carb every way possible using 1/8 turns at a time. Any other ideas before I buy a new carb?

Offline Cut4fun .

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Re: Stihl 026 Carb issues
« Reply #5 on: January 24, 2012, 08:04:07 pm »
What kind of psi does the saw have and is the intake side of the piston skirt worn? 
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Offline man of stihl

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Re: Stihl 026 Carb issues
« Reply #6 on: January 24, 2012, 08:35:13 pm »
Hello everyone, I have a Stihl 026 (not pro) with a Walbro wt194 carb. I have kitted the carb and completely dismantled the carb and cleaned it thoroughly and installed the new kit. I installed a new fuel line with filter and the intake line. I checked the intake for leaks and it had none. I reassembled the carb and backed out the high and low screw out 1 turn. It is idling good but when I give it gas it is bogging down and not reeving up at all. It is also shooting gas out of the back of the carb when I give it gas. Any ideas do I need a new carb?
What do you mean by intake line? Do you mean impulse line? I bought a 357 that would only idle and the impulse hole was blocked. Once unblocked. It ran great.
Ron

Offline huskyman

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Re: Stihl 026 Carb issues
« Reply #7 on: January 24, 2012, 09:14:43 pm »
Impluse line hole is clear, pulled the muffler and the piston looks great. It has over 150 psi compression. I am completly stumped ???

Offline w8ye

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Re: Stihl 026 Carb issues
« Reply #8 on: January 24, 2012, 10:20:25 pm »
I bought a new twin needle carb for my 025 for $20 and change. I don't know what they are for the 026. My used 026 came with a Walbro WT-194  twin needle carb.

Anyway, Stihl has new lower prices for carbs. Wouldn't hurt to check?

Offline huskyman

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Re: Stihl 026 Carb issues
« Reply #9 on: January 25, 2012, 11:39:52 am »
I bought a new twin needle carb for my 025 for $20 and change. I don't know what they are for the 026. My used 026 came with a Walbro WT-194  twin needle carb.

Anyway, Stihl has new lower prices for carbs. Wouldn't hurt to check?




I have been looking and the lowest price is $60, mine has the wt-194 also where did you buy the carb for $20?

 

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