Author Topic: Jonsered 801  (Read 4500 times)

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Offline HolmenTree

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Re: Jonsered 801
« Reply #10 on: October 20, 2016, 01:23:27 pm »
Got real busy doing treework after the recent heavy snow storms. Found some time this AM.

Well here's a North American Jonsereds lesson.
As the 6 pics show:
* Scotsco started selling the silver top 80 on the west coast in 1971-72. Rated for a 36"b/c.
*80 and 621  introduced 1970 .
*New and improved 80 with 27 upgrade changes 1974.
*Black top 801 and 90 introduced 1975-76.
*70E in 1978.
*90E in 1979 last of the true Jonsereds.

Making a living with a saw since age 16.
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Offline HolmenTree

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Re: Jonsered 801
« Reply #11 on: October 20, 2016, 02:08:46 pm »
I didn't get the date on the 90 ad so here's a full page of the 90 along with info on the black top 801 that replaced the silver top 80.
The silver top and red Jonsereds colors go way back to 1960.


Last pic is Jonserds western U.S. distributor Wendell Walker founder and president of Scotsco Inc. Wendell was a high ranking Oregon Sawchain executive before he and his wife Barbara started the company in Aug.1971.
Inset picture is Jonsereds AB general manager Stig Jenson in his engineering laboratory in Jonsereds,Sweden.
Making a living with a saw since age 16.
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Offline HolmenTree

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Re: Jonsered 801
« Reply #12 on: October 20, 2016, 02:22:31 pm »
I'm on a roll here. Niko will love this ;D
This pic is the earliest Jonsereds silver top I can find but Niko may find an earlier pic of a model before 1960.

Here's the 1960 Jonsereds XF 110cc silver top.
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Offline 3000 FPS

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Re: Jonsered 801
« Reply #13 on: October 20, 2016, 11:11:24 pm »
Wow Holmen that is some great information and I guess there is no arguing with that.    Thanks for digging out that info and posting it.
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Offline HolmenTree

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Re: Jonsered 801
« Reply #14 on: October 20, 2016, 11:49:40 pm »
Wow Holmen that is some great information and I guess there is no arguing with that.    Thanks for digging out that info and posting it.
Your welcome 3000. From memory starting logging in 1974 at 16, my  first saw was a 621 then a 80 which turned into a 801 and 90 being only available a few years later .
We raced those 80's in power saw contests right up into the early 1980s. Never raced a 801 or 90.

Found a good article from 1975 of what was claimed the first electric heated handles on a saw. Jonsereds 52.
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Offline mdavlee .

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Re: Jonsered 801
« Reply #15 on: October 21, 2016, 08:12:47 am »
That's awesome info. I think the older Jonsereds are the coolest saws from Europe in the vintage stuff.
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Offline HolmenTree

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Re: Jonsered 801
« Reply #16 on: October 21, 2016, 05:49:31 pm »
Here's a little more cool Jonsereds history.
The introduction of the 521in 1975 with first on the market electric heated handles.
The 66E introduced in 1976, predecessor of the 70E.
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Offline 3000 FPS

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Re: Jonsered 801
« Reply #17 on: October 21, 2016, 09:30:59 pm »
I put in a new crank seal on the PTO side of the saw today and the idle is now rock steady with no drifting like it did before.   Now I will order one for the flywheel side and replace it along with some new rubber for the anti vibe on the upper handle.   
I did cut some wood with it today and this thing really does have some power.   I think I will tach it also I am curious about the RPM's on it.

Some awesome information Holmen thanks.
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Offline 3000 FPS

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Re: Jonsered 801
« Reply #18 on: October 24, 2016, 07:52:16 pm »
Found a 24" bar and chain that fit the 801 and did some more test cutting with it today.   I did some noodles with it today and the saw clears chips pretty good.    I also tached it with the 24" bar and chain on it and at wide open throttle got 12200 rpm's.    I did a compression test and got 170psi which is not bad for the altitude here on the high plains.   I am just waiting on the other crank seal so I can install it and then I will be pretty much done with it.   

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Offline Eccentric

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Re: Jonsered 801
« Reply #19 on: October 25, 2016, 02:48:07 pm »
You can use D096/D196/UXL and D007 mount bars on these saws.  Usually have to open up the slot with a file a tad, as these bars are 9.5mm (.375") while the original D024 mount bars are 10mm (.400").  Those old JReds are strong.  I've ran a 111S and it was a brute. 
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