Stihl 041 Farm Boss carb rebuild

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jlangton

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I'm gonna guess that the carb on Dad's old Stihl 041 FB needs a rebuild.
It's been sitting for about 10 years,and when dad put it up-he was having issues with the saw starting and running.
He tells me that the only way he could get the saw to start was to pour a bit of fuel mixture down the carb's throat. It would then fire up and run, but only for a few seconds. He used this saw for several years cutting firewood, and had few if any problems. It was in excellent running condition, it started to have this problem around the time he quit cutting firewood regularly.
I rebuild and maintain pretty much everything around here from engines,transmissions,etc..so I just need to get some info on where I can find a carb "kit" and possibly an exploded parts diagram/manual.
Also, any tips/tricks would me much appreciated.
I plan on using this saw and or finding one like it for myself in the near future-I've got a mess to clan up around here from Hurricane Rita, and I'd like to keep my little lightweight Poulan alive for limb timming etc,and use the bigger Stihl for the heavier stuff.
Thanks,
JL
 
Last edited:
You can find diagram here .
The carb kit you need is Tillotson RK 23 HS that you can find at almost any shops around your area,its a popular kit on many older saws.Be sure to check also fuel line and fuel filter.Check also the fiber block under the carb if not loose,if yes check gaskets condition.
 
HiOctane said:
You can find diagram here .
The carb kit you need is Tillotson RK 23 HS that you can find at almost any shops around your area,its a popular kit on many older saws.Be sure to check also fuel line and fuel filter.Check also the fiber block under the carb if not loose,if yes check gaskets condition.
I actually found the fiber block a bit loose when I first got it here. The gaskets were still in good condition,so I tightened the block back down snug and cleaned the saw up a bit before I tried to fire it up.
No dice..I guess the loose block may have ben dad's problem in the beginning,but it's most likely other issues now.I plan on a fairly complete teardown and cleanup in the next couple of days-I'll lookup that carb kit Monday-thanks for the part number.
JL
 
Well,I'll be darned...I just went out to tinker with it some more,and after a few pulls,it fired right up.
Runs good,and now I'm gonna go sharpen it up a bit and go see how it handles the big trees that are down out here.
Thanks for the exploded diagram-it'll surely come in handy.
JL
 
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