Author Topic: Jonsered 590 (Read 4947 times)

Cut4fun · « **on:** February 27, 2011, 12:10:02 pm »

Here is my start to a 590 project.

Just so you can see what a 590 looks like inside. I really like the set up on it.

SawTroll · « **Reply #1 on:** March 07, 2011, 01:55:06 pm »

Thanks (also for telling me about this site)!

Did you measure the bore of it?

This site looks really promising!

Cut4fun · « **Reply #2 on:** March 07, 2011, 05:02:44 pm »

45mm bore and I think that makes it 50.7or8cc

SawTroll · « **Reply #3 on:** March 07, 2011, 06:39:19 pm »

Quote from: Cut4fun on March 07, 2011, 05:02:44 pm

45mm bore and I think that makes it 50.7or8cc

45mm fits with the info I have from before - but I believe it is 50.9cc, maybe 50.8 (seen both numbers), but not 50.7.

The exact cc is an "academic" question, I just wanted to get confirmation that it wasn't the same 46mm/53.2cc as the P5500.

Cut4fun · « **Reply #4 on:** March 07, 2011, 06:55:36 pm »

Quote from: SawTroll on March 07, 2011, 06:39:19 pm

Quote from: Cut4fun on March 07, 2011, 05:02:44 pm
45mm bore and I think that makes it 50.7or8cc

45mm fits with the info I have from before - but I believe it is 50.9cc, maybe 50.8 (seen both numbers), but not 50.7.

The exact cc is an "academic" question, I just wanted to get confirmation that it wasn't the same 46mm/53.2cc as the P5500.

Poulan 325 is 46mm and I got one. The top end fits on the 490 590 5000 500 50 special to if one so desired a cheater saw.

SawTroll · « **Reply #5 on:** March 07, 2011, 07:43:58 pm »

Quote from: Cut4fun on March 07, 2011, 06:55:36 pm

Poulan 325 is 46mm and I got one. The top end fits on the 490 590 5000 500 50 special to if one so desired a cheater saw.

Yes, I know - even though saw races doesn't interest me at all!

Cut4fun · « **Reply #6 on:** March 08, 2011, 01:50:42 pm »

Quote from: SawTroll on March 07, 2011, 07:43:58 pm

Quote from: Cut4fun on March 07, 2011, 06:55:36 pm
Poulan 325 is 46mm and I got one. The top end fits on the 490 590 5000 500 50 special to if one so desired a cheater saw.

Yes, I know - even though saw races doesn't interest me at all!

Me either anymore and post wasnt about racing, but the term I used was. Sorry about that confusion.
But what I was referring to, is you could bolt a PP 325 top 53cc on the 490 5000 500 50 special and gain a great deal of torque in the cut for a firewood saw with the same weight of the 49cc saw.

SawTroll · « **Reply #7 on:** March 08, 2011, 04:26:17 pm »

Quote from: Cut4fun on March 08, 2011, 01:50:42 pm

Quote from: SawTroll on March 07, 2011, 07:43:58 pm
Quote from: Cut4fun on March 07, 2011, 06:55:36 pm
Poulan 325 is 46mm and I got one. The top end fits on the 490 590 5000 500 50 special to if one so desired a cheater saw.

Yes, I know - even though saw races doesn't interest me at all!

Me either anymore and post wasnt about racing, but the term I used was. Sorry about that confusion.
But what I was referring to, is you could bolt a PP 325 top 53cc on the 490 5000 500 50 special and gain a great deal of torque in the cut for a firewood saw with the same weight of the 49cc saw.

I guess so, or a P5500 one!

Cut4fun · « **Reply #8 on:** March 12, 2011, 07:27:33 pm »

Was out in the barn today and took some pics of a 5000+ 490 top end compared to the 590 top end.

Crappy cell phone pics.

man of stihl · « **Reply #9 on:** March 12, 2011, 07:38:38 pm »

so you would call the 590 a open port with a windowed piston?

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Author Topic: Jonsered 590 (Read 4947 times)

Cut4fun

Jonsered 590

SawTroll

Re: Jonsered 590

Cut4fun

Re: Jonsered 590

SawTroll

Re: Jonsered 590

Cut4fun

Re: Jonsered 590

SawTroll

Re: Jonsered 590

Cut4fun

Re: Jonsered 590

SawTroll

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Cut4fun

Re: Jonsered 590

man of stihl

Re: Jonsered 590

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