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       #Post#: 7190--------------------------------------------------
       partner 55cc 65cc 70cc 85cc 100cc
   DIR By: chainsman1
       Date: February 1, 2012, 6:06 pm
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       55,65,70,85 and 100cc old partners, they have all the same
       stroke with different bores. are the cylinder juggs all
       interchangeable??
       i do know the s55 partner would take a 65 cc top end,but dont
       know for the others
       #Post#: 7191--------------------------------------------------
       Re: partner 55cc 65cc 70cc 85cc 100cc
   DIR By: Chainsawrepair
       Date: February 1, 2012, 6:20 pm
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       I found out in my searching on my 550 the 650 and 7000 fit. I
       dont think the others do.
       #Post#: 7193--------------------------------------------------
       Re: partner 55cc 65cc 70cc 85cc 100cc
   DIR By: chainsman1
       Date: February 1, 2012, 6:45 pm
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       ok,same stroke,but 85 and 100 would have different cases i
       guess...
       #Post#: 7721--------------------------------------------------
       Re: partner 55cc 65cc 70cc 85cc 100cc
   DIR By: timberdollars
       Date: February 21, 2012, 10:09 am
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       Partner small case PRO cases with oil adjuster hole in bottom
       will take ANY cylinder from 55cc to 70cc. Semi pro cases either
       black or yellow with bolt on oil housing on bottom take 55cc to
       65cc. Pro cylinders have wider cylinder sleeves and will not fit
       non pro cases. K65/K650/K700 cut off saws cylinders also will
       fit Pro cases.
       Pro cases: P55/P70/7000/7000+/cs550/Cs650/Cs7000 all have oil
       hole on bottom.
       85cc to 1000cc are for those saws only!!!!!!!!!!!!!!!!
       A S50 F55 or S55 upgrade to 65cc is easy and very
       rewarding!!!!!!!!!!! both open and closed port pull good, also
       all older R series cases will except 65cc cylinders regardless
       of year. (r16-R517 or more)
       I keep seeing saws advertised as P65??? no such animal that I'm
       aware of.  Pioneer Partner 650 YES!! P65 are most likely S65 or
       R series.
       Duane
       #Post#: 8048--------------------------------------------------
       Re: partner 55cc 65cc 70cc 85cc 100cc
   DIR By: chainsman1
       Date: March 4, 2012, 8:47 pm
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       Is it possible to fit a 70cc top end on a semi pro bottom by
       boring the cases?   I guess the bolt pattern would fit
       #Post#: 8838--------------------------------------------------
       Re: partner 55cc 65cc 70cc 85cc 100cc
   DIR By: SawTroll
       Date: April 27, 2012, 9:53 am
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       55, 65 and 70cc have a 36mm stroke.
       85 and 100cc have a 40mm stroke, despite what Acres site state.
       Btw, the cc numbers are not accurate.
       #Post#: 9215--------------------------------------------------
       Re: partner 55cc 65cc 70cc 85cc 100cc
   DIR By: chainsman1
       Date: May 14, 2012, 11:29 am
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       i was playing in my partner junkpile yesterday,and found a 55cc
       partner with an aluminum spacer between the exhaust port and the
       muffler. its about 1/4 inch thick.   some saws have it,some
       dont. i wonder what it was for...
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