Author Topic: Partner 550 S55 P55 F55 65 650 P70 7000  (Read 10404 times)

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Offline Cut4fun .

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Re: Partner S65
« Reply #40 on: March 20, 2013, 06:52:43 am »
I put seals in the 550, but dont recall if the same,
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Offline moparman texas

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Re: Partner S65
« Reply #41 on: May 18, 2013, 12:18:29 pm »
The oil seals are the same for Partner S65, 550 and F55 - P/N 505 2757-15.
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Offline SawTroll

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Re: Partner S65
« Reply #42 on: May 31, 2013, 07:28:53 pm »
The oil seals are the same for Partner S65, 550 and F55 - P/N 505 2757-15.
Sounds right, hard to imagine they would be different... ;)

Offline Cut4fun .

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Re: Partner S65
« Reply #43 on: October 21, 2013, 02:23:14 pm »
Got a Partner S65  bought new 1 owner coming in.  Says over the phone runs great bucking, but stumbles felling. 
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Offline Cut4fun .

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Re: Partner S65
« Reply #44 on: October 21, 2013, 05:40:11 pm »
Not seals.   He said he bought this saw new 32 years ago. 

Down to 120psi,  1 carb intake bolt was loose and  carb tuning is all I could find.
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Re: Partner S65
« Reply #45 on: October 21, 2013, 08:15:24 pm »
I noticed when I was dumping fuel on this saw today. It seemed dyed dark.  So I ask what ratio you running. He said the owners manual said 25:1. 

I told him I only run 32:1 and would think he could run todays oils at  40:1 no problem.


I was digging on Acres site and it says this.  FUEL OIL RATIO:50:1 with Partner Oil /   otherwise 25:1

So did this saw back in 1980 say to use it at 50:1  and he just went with the 25:1 by misreading?
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Offline woodplayer

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Re: Partner S65
« Reply #46 on: November 05, 2013, 10:22:39 pm »
I run 40:1 in mine with no problems.
I noticed most saw manufactures these days recommend 50:1  mix when using their brand of oil and 40:1 when using other 2 stroke oils.

I had also found a crack in the carb to cylinder adapter, but I assume you did  pressure test as you mention that seals aren't the problem.

Offline SawTroll

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Re: Partner S65
« Reply #47 on: November 07, 2013, 08:42:25 pm »
I noticed when I was dumping fuel on this saw today. It seemed dyed dark.  So I ask what ratio you running. He said the owners manual said 25:1. 

I told him I only run 32:1 and would think he could run todays oils at  40:1 no problem.


I was digging on Acres site and it says this.  FUEL OIL RATIO:50:1 with Partner Oil /   otherwise 25:1

So did this saw back in 1980 say to use it at 50:1  and he just went with the 25:1 by misreading?

That really means 50:1 with any high quality mix oil, as you surely know!

I wouldn't hesitate to run 50:1 Aspen in it, for sure.

Offline SawTroll

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Re: Partner S65
« Reply #48 on: November 07, 2013, 08:49:59 pm »
Btw, the S65 and F65 were rated at a little less power than the earlier 65cc Pro Partners, like the R20 and R420 - 3.8 hp vs. 4.0 hp.

I believe the difference was caused by open vs. closed porting.....

Online Tractorsaw1

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Re: Partner 550 650 P70 7000
« Reply #49 on: April 05, 2014, 09:27:12 am »
Any updates on picking a cylinder to upgrade a 550?  It seems like there are a lot of the K650/700 cylinders out there, are there any closed port ones that are good?  Also what other parts are compatible with the 550, the pioneer partner platform of saws I have no clue on.  Thanks!

 

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