Author Topic: looking for a r420 or p70 crankcase gasket number  (Read 253 times)

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Offline Rancho

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looking for a r420 or p70 crankcase gasket number
« on: September 19, 2014, 10:44:26 am »
hello
thats my first message on this forum
im 33 years old french canadian and looking for help here
my English are not very good but i do my best!
im on the way to rebuilt  2 old saws my dad give me last month
one is a r420 and the other is a p70
in the past my dad was doing competition whit these saws
i have a old racing crankshaft and i need a new crankcase gasket to put it on
but, i dont have the part number for the crankcase gasket and if i can put my hands on a new complete gasket set its would be great!!
anybody known the crankcase gasket number here, or a place to order it??
i see on the    http://store.chainsawr.com/ some gasket but i need the good number to place a order!
any information are welcome!
thanks
Rancho



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Offline 660magnum

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Re: looking for a r420 or p70 crankcase gasket number
« Reply #1 on: September 19, 2014, 10:55:22 am »
 I would cut my own gasket. The gasket would likely be hard to find even if you had the number.
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline Rancho

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Re: looking for a r420 or p70 crankcase gasket number
« Reply #2 on: September 19, 2014, 11:18:52 am »
thanks for your information
i think i will cut the gasket myself like you
regards
Rancho

Offline Cut4fun

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Re: looking for a r420 or p70 crankcase gasket number
« Reply #3 on: September 19, 2014, 12:56:47 pm »
Partner 55 70 IPL  http://s30387.gridserver.com/partsDiagrams/Partner%20P70.pdf

505272060  shows NLA  http://www.jackssmallengines.com/Parts-Lookup/505272060/2139630/PL      shows a superseded gasket to use too 505272128  I get NLA on it too. 

Maybe make a gasket like many guys here do.

I dont know r420 to give any info on.
REDNECK Saw Repair

Offline Rancho

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Re: looking for a r420 or p70 crankcase gasket number
« Reply #4 on: September 21, 2014, 09:29:29 pm »
thank you ! ;D

Offline aclarke

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Re: looking for a r420 or p70 crankcase gasket number
« Reply #5 on: September 21, 2014, 09:58:39 pm »
Here'show I've done it:  clean case half surfaces with acetone then lightly spray the mating surface of one case half with 3M spray adhesive. Next, spray a sheet of gasket paper with the 3M adhesive and let it air dry for 3-4 minutes, lay the gasket paper with the sticky side up on a flat table and set the case half on top of the gasket sheet.  They should be bonded together now. Next get an x-acto knife and carefully cut out the voids.

Offline 660magnum

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Re: looking for a r420 or p70 crankcase gasket number
« Reply #6 on: September 21, 2014, 10:24:54 pm »
He's how I've done it:  clean case half surfaces with acetone then lightly spray the mating surface of one case half with 3M spray adhesive. Next, spray a sheet of gasket paper with the 3M adhesive and let it air dry for 3-4 minutes, lay the gasket paper with the sticky side up on a flat table and set the case half on top of the gasket sheet.  They should be bonded together now. Next get an x-acto knife and carefully cut out the voids.

++1
Doing it this way the Exacto knife cuts against the edge of the casting and makes cutting a gasket very easy. The gasket will look Factory made when done.
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

 

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