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#Post#: 54189--------------------------------------------------
Bore stroke chainsaw
By: Chainsawrepair Date: February 13, 2015, 11:54 am
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Didnt know where to put this thread as it can be many saws. Just
trying to start and saving info. My memory just isnt retaining
crap anymore and I am forgetting stuff quickly.
The guy that relieves me at work on our 24/7 job was made to
take a test for Alzheimer already. He is 63 and I was told he
flunked it. He is still on the job and just trying to make it to
65 to retire. Me just in 50's and will retire in the 50's. But
I feel like I am slipping already.
Sorry for the BS, but wanted to explain why I want to save info.
Wanting to see stroke and bores for stihl 661 660 husqvarna
394 395 husqvarna 390 288
If my memory is right the dolmar 166 was 56mm bore and 48mm
stroke. I used to use oem 394 rings on the 166 pistons.
#Post#: 54194--------------------------------------------------
Re: bore and stroke
By: 660magnum Date: February 13, 2015, 12:03 pm
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Dolmar 166 is 56 X 48 according to Acres
066/MS660 is 54 X 40
MS 661 is 56 X 37
394/395 is 56 X 38
390 is 55 X 37
288 is 54 X 38
#Post#: 54196--------------------------------------------------
Re: bore and stroke
By: Chainsawrepair Date: February 13, 2015, 12:23 pm
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Thanks Jim.
661 I cant remember?
dolmar 143 55mm bore by 40mm stroke per acres
#Post#: 54198--------------------------------------------------
Re: bore and stroke
By: Chainsawrepair Date: February 13, 2015, 12:26 pm
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stihl 661 56mm bore by 37mm stroke does this sound right?
#Post#: 54199--------------------------------------------------
Re: bore and stroke
By: 660magnum Date: February 13, 2015, 12:34 pm
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That is correct according to the OM
#Post#: 54201--------------------------------------------------
Re: bore and stroke
By: Chainsawrepair Date: February 13, 2015, 12:46 pm
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Jim. Did you just add 661 into your list or am I losing my mind.
Thats why I went looking I didnt see it in your list.
#Post#: 54206--------------------------------------------------
Re: bore and stroke
By: 660magnum Date: February 13, 2015, 1:18 pm
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I was putting it in there (modifying) as you were making your
post. We must have found the owner's manual at the same time?
#Post#: 55765--------------------------------------------------
Re: bore and stroke
By: scott kunz Date: March 20, 2015, 2:26 am
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a link to this list would be very helpful, thanks
#Post#: 72895--------------------------------------------------
Re: bore and stroke
By: Chainsawrepair Date: July 27, 2016, 12:50 pm
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[quote author=660magnum link=topic=4657.msg54194#msg54194
date=1423850595]
Dolmar 166 is 56 X 48 according to Acres
066/MS660 is 54 X 40
MS 661 is 56 X 37
394/395 is 56 X 38
390 is 55 X 37
288 is 54 X 38
[/quote][quote author=scott kunz
link=topic=4657.msg55765#msg55765 date=1426836402]
a link to this list would be very helpful, thanks
[/quote]
Adding to list so I can find them
solo 38mm stroke 665-681
dolmar makita 37mm stroke 6400-7900
husky 36mm stroke 362-375
poulan 36mm stroke 415-505
husky 38mm stroke 181-288
So that should put the 8200 52mm bore and 38mm stroke for 80.7cc
#Post#: 72918--------------------------------------------------
Re: bore and stroke
By: Al Smith Date: July 28, 2016, 3:54 am
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The big Dolmar was supposed to be the longest stroke of any
chainsaw engine .
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