Author Topic: STIHL 034/036 KICKS like a Mule  (Read 145 times)

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Offline johndrew98

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STIHL 034/036 KICKS like a Mule
« on: November 17, 2019, 07:06:25 pm »
I have a Stihl 034 or 036 . The S/N is 114994544 but no one can tell me what it is. It has 036 on the starting rope mechanism and 034 AV on the top cover. I looked up the part number on the brake and it shows 034 or 036. It ran good yesterday but had a problem getting it started. The compression was like a mule kick. I took out the sparkplug and put Seafoam in the sparkplug hole and pull a few times and tried again and started and cut up a tree. Today it's the mule kick again Only turns about one stroke of the piston (6 inches on rope) When I pulled the sparkplug it pulls easy. I took off the muffler and the piston sides looks very smooth...except there is a film on top of the cylinder about the thicknss of a piece of paper. I can lift it with a pencil about 1/8 high as far as I tried. The top of Piston from the carburetor side shows some carbon build up. ( not shinny but even probably the same as was indicated from the muffler view.) Question first does anyone know which saw it is from the S/N?. 2. How do I get it to pull without the mule kick?  I don't see any decompression valve.How is the best way to remove the carbon without taking apart?

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Offline Cut4fun .

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Re: STIHL 034/036 KICKS like a Mule
« Reply #1 on: November 18, 2019, 08:13:30 am »
Stihl dealer can run the serial number. If it was registered in system when sold.
Can tell what model it is and what year.

A few stihl dealers here but most of the online stihl dealers that run them are on my chainsaw repair group FB. I had a 066 660 parts saw ran to find out what I took on trade, being it was missing covers.  https://www.facebook.com/groups/415662708518445/2676674009083959/?comment_id=2677764872308206&reply_comment_id=2677778138973546&notif_id=1574017737568367&notif_t=group_comment_mention

I would guess timing or the carbon just making the psi to much for ya.  The ole 3300 54cc my dad ran for 25+ years was that way for him.  I put a stihl 460 rescue handle on it to buy him some more time.  Like 5-6 at stihl.



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Offline 3000 FPS

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Re: STIHL 034/036 KICKS like a Mule
« Reply #2 on: November 18, 2019, 11:44:13 am »
How about measuring the bore on your saw.    034 is 46 mm.   the 036 is 48mm. 
PP 505, 475, 445.
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Offline Cut4fun .

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Re: STIHL 034/036 KICKS like a Mule
« Reply #3 on: November 19, 2019, 08:40:55 am »
How about measuring the bore on your saw.    034 is 46 mm.   the 036 is 48mm. 

Thats true. Only way to be sure.

I had a 034 here with 036 cylinder that Al had did.

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Offline Al Smith

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Re: STIHL 034/036 KICKS like a Mule
« Reply #4 on: November 20, 2019, 05:03:07 am »
Kicking back and pulling hard are not the same thing .As an example on a 2100 CD Husqvarna which 99 cc ,when I got it was all I could do to pull it over .
Come the find out the bushing in the starter drum was worn out causing it to engage eccentric .It was a nylon bushing which I made a brass replacement which tamed it down .Due to the fact the machine by nature is  high compression I also used a Stihl 460 rescue saw D-handle . I had a couple of others over the years but right now I can't remember which ones .

 

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