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Author Topic: 490 590 325 55 5000 500 bore mm  (Read 588 times)

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Offline Cut4fun

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490 590 325 55 5000 500 bore mm
« on: January 24, 2012, 03:35:04 pm »
Seems some are spreading wrong bore mm info.

Here is my concrete info from saws I have owned and some worked on.

490 44mm closed

590 45mm closed

325  46mm closed early, later 46mm open

55 46mm open and 45mm closed

5000 44mm open

5000+ 44mm closed

500 44mm open

500 formula 45mm open
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Offline nmurph

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Re: 490 590 325 55 5000 500 bore mm
« Reply #1 on: January 24, 2012, 05:01:08 pm »
I have a 325 with a 44mm CP. I certainly can't saw it is original, but it definitely had been on the saw for a long time.
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Offline Cut4fun .

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Re: 490 590 325 55 5000 500 bore mm
« Reply #2 on: January 24, 2012, 05:21:39 pm »
325 came with 46mm. You can put 44 45 46 on them with no problems.
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Offline rms61moparman

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Re: 490 590 325 55 5000 500 bore mm
« Reply #3 on: January 24, 2012, 05:59:38 pm »

I'm glad you posted this because I was under the impression that the PP 325 came with a 45 CLOSED early and a 46 OPEN in later production.

I guess if they had a 46 closed in the early stages, that would be the Holy Grail of those cylinders.


Mike
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Offline Cut4fun .

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Re: 490 590 325 55 5000 500 bore mm
« Reply #4 on: January 24, 2012, 06:09:53 pm »
My type 1 325 is closed 46mm 53cc.   Mark might have a like new type 1.
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Offline Cut4fun .

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Re: 490 590 325 55 5000 500 bore mm
« Reply #5 on: January 24, 2012, 06:25:28 pm »
Just to clarify I havent opened a type 2 325 up.

 I have only seen the type 2 replacement p+c you can still buy that is open port with solid piston that looks like a 55 husky 46mm also.
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Re: 490 590 325 55 5000 500 bore mm
« Reply #6 on: January 24, 2012, 07:04:09 pm »
This is the replacement cylinder for 325      503609102   the old part number was  503538502   hopefully I didnt confuse those.
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