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#Post#: 86221--------------------------------------------------
Stihl 251
By: Chainsawrepair Date: February 7, 2020, 4:12 pm
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Stihl MS251. Looking through the carb adjustment cover holes. I
think I am seeing metal stops? Just wondering when I start on it
and want to adjust carb. Dont seem to be any L adjustment left
to turn from factory setting.
#Post#: 86222--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: February 7, 2020, 4:35 pm
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metal limiter cap removal
HTML https://youtu.be/5ofGvxXGmaA
#Post#: 86223--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: February 7, 2020, 6:06 pm
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Stihl putting the china made bosch in them when new in these
things? Owner bought it new.
#Post#: 86228--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: February 8, 2020, 7:43 am
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Confirmed. Stihl is putting china made bosch plugs in some saws
now.
#Post#: 86240--------------------------------------------------
Re: Stihl 251
By: DNX800 Date: February 9, 2020, 5:40 am
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He should use the right limiter cap puller to do this. First
line up the cap so that the notch of the cap points vertically
upwards. Use puller 5910 890 4502 to pull the cap. Screw the
puller 5 turns counterclockwise in the cap and pull it out.
Don`t screw it deeper to not damage the 2mm hex adjusting screw
of the carburetor.
#Post#: 86241--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: February 9, 2020, 7:09 am
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Thanks for info. On my 150T I just drilled the stop out of the
metal one.
Ended up leaving this one alone after testing and cutting with
my e-free mix. All was right again.
Water in his mix and loose plug main issues. Throttle how I
liked it on transition in end, instead of a face plant.
#Post#: 86298--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: February 17, 2020, 7:28 am
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Was told it is easier to just drill the black limiter tabs like
I did on the 150T carb for this 251.
Just saving info and pics of another guys carb where he pulled
the metal covers to show the black limiters you drill out.
Just saving different ideas.
#Post#: 86303--------------------------------------------------
Re: Stihl 251
By: fisaw Date: February 20, 2020, 1:19 pm
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M3 left hand thread screw, that's what I use as a puller.
#Post#: 86528--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: April 19, 2020, 4:25 pm
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Bet you can guess what is about to happen to this 251. I got
permission to make her right.
stihl ms251 in for hard start and falling on face at throttle
Quick easy way to get rid of those pesky stops.
#Post#: 89864--------------------------------------------------
Re: Stihl 251
By: Chainsawrepair Date: March 2, 2023, 6:14 am
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251 choke wasnt closing and flooded. Love their easy start
system compared to the spring assist others use.
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