Jonsered Chainsaws

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This is for all the 8XX and 9XX saw guys.....I believe these modules themselves are the same for all the models though the 8XX part numbers are different......I think the only difference is the hot wire to the spark coil plugs together with wire from the coil...on the 9XX it is just a single wire from the module to the coil......I've heard OEM is difficult to come by......I don't have any of these saws so not positive....910 is a whole different set up.....anyway just thought I'd post this up here. WEC is an Indian company.....been slowly coming out with aftermarket parts for the old Jonsereds...Like the 49 SP piston.....which other than one rather major issue (which is fixable) was damn good quality casting/machining.....hope this is good too!! The Greek always to have good quality stuff and ships quickly.

http://www.ebay.com/itm/Ignition-Mo...175?pt=LH_DefaultDomain_0&hash=item5d592469f7
 
What other top end will work on an 801? I'm sure some of you Jonny guys will have the answer. I'm pretty sure a 90 P&C would work, and probably an 80 0r 81, but I wonder about some of the later 80cc and 87cc top ends.

My nephew inherited an 801 that hadn't had much use, but the jug and piston are scored, either from some drunk straight-gassing it or from trying for a long time to cut with a dull chain.

An 801 just like it was the first saw I ever owned. Then I had about six more Jonsereds, along with a Husky 2100 and some Pioneers, during my logging years. I've been away from Jonsereds for a long time, but would likely buy one now if I needed a new saw for production work.

Sorry, guys, but I turned into a Pioneer geek back in the '80s and let myself get pretty ignorant about Jonnys.
 
What other top end will work on an 801? I'm sure some of you Jonny guys will have the answer. I'm pretty sure a 90 P&C would work, and probably an 80 0r 81, but I wonder about some of the later 80cc and 87cc top ends.

My nephew inherited an 801 that hadn't had much use, but the jug and piston are scored, either from some drunk straight-gassing it or from trying for a long time to cut with a dull chain.

An 801 just like it was the first saw I ever owned. Then I had about six more Jonsereds, along with a Husky 2100 and some Pioneers, during my logging years. I've been away from Jonsereds for a long time, but would likely buy one now if I needed a new saw for production work.

Sorry, guys, but I turned into a Pioneer geek back in the '80s and let myself get pretty ignorant about Jonnys.


If you can get all the pieces cheap enough, bolting a 90 P&C to a 801/80 is a really nice power conversion.....been done a lot.

Kevin
 
This is for all the 8XX and 9XX saw guys.....I believe these modules themselves are the same for all the models though the 8XX part numbers are different......I think the only difference is the hot wire to the spark coil plugs together with wire from the coil...on the 9XX it is just a single wire from the module to the coil......I've heard OEM is difficult to come by......I don't have any of these saws so not positive....910 is a whole different set up.....anyway just thought I'd post this up here. WEC is an Indian company.....been slowly coming out with aftermarket parts for the old Jonsereds...Like the 49 SP piston.....which other than one rather major issue (which is fixable) was damn good quality casting/machining.....hope this is good too!! The Greek always to have good quality stuff and ships quickly.

http://www.ebay.com/itm/Ignition-Mo...175?pt=LH_DefaultDomain_0&hash=item5d592469f7


I see the modules for the 910 on the bay from time to time. But NOS are crazy high. Not a lot of failure there though, they tell me. What I saw on mine was deteriorating insulation. I tried the liquid insulation stuff, but was not happy with the results once the wires moved around a bit. That black GE auto stuff it very long-lived and hardy with stuff like this.

Kevin
 
I see the modules for the 910 on the bay from time to time. But NOS are crazy high. Not a lot of failure there though, they tell me. What I saw on mine was deteriorating insulation. I tried the liquid insulation stuff, but was not happy with the results once the wires moved around a bit. That black GE auto stuff it very long-lived and hardy with stuff like this.

Kevin

Yep they definitely chose very poor wire for those 451/910 igns......every one I've seen had the insulation falling right off the wires. I've had pretty good luck with small dia heat shrink tubing on them, then a good dose of liquid tape right at the point where the wire goes into the module....
 
80, 81, 801 and 90 is what bolts up to that case......true Jonsereds all the way....
Thanks, Cantdog and Shepherd, for getting right back to me. I was hoping one of the later jugs would work too and be easier to find.
We're leaning toward an 90 top end -now to find one!
 
Yep they definitely chose very poor wire for those 451/910 igns......every one I've seen had the insulation falling right off the wires. I've had pretty good luck with small dia heat shrink tubing on them, then a good dose of liquid tape right at the point where the wire goes into the module....


I don't know if the Europeans did this with chain saw wiring but....in the 80's/90's they used a soy based, biodegradable wiring harness in auto manufacturing....even on high-end cars like Mercedes. They deteriorate like this to the point where the harness has to be replaced with a newer manufacture. It was some attempt at a trend setting, eco-freindly proccess.

Kevin
 
I don't know if the Europeans did this with chain saw wiring but....in the 80's/90's they used a soy based, biodegradable wiring harness in auto manufacturing....even on high-end cars like Mercedes. They deteriorate like this to the point where the harness has to be replaced with a newer manufacture. It was some attempt at a trend setting, eco-freindly proccess.

Kevin
Yup, I had to replace the wiring harness on my'95 (bio)diesel Benz a few years ago. Doesn't make sense for a car that will last that long. 260,000 and runnin' strong as ever.
 
Yup, I had to replace the wiring harness on my'95 (bio)diesel Benz a few years ago. Doesn't make sense for a car that will last that long. 260,000 and runnin' strong as ever.

Yeah, hit the W124 Series bad...from about '92 on. I have a '92 TE 4Matic and they kept the soy wiring harness away to the end of the first gen 4Matics-'93. Everything else that yr including I6, diesel and V-8 got that harness. I think they fixed the harness issue around '98 when they produced the W210...at least that's the date on the build code(or newer) you're suppose to look for.

Kevin
 
Yeah, hit the W124 Series bad...from about '92 on. I have a '92 TE 4Matic and they kept the soy wiring harness away to the end of the first gen 4Matics-'93. Everything else that yr including I6, diesel and V-8 got that harness. I think they fixed the harness issue around '98 when they produced the W210...at least that's the date on the build code(or newer) you're suppose to look for.

Kevin
Thanks - good info. if I ever need to look for another car. I hope to just keep the same 'hicles I have forever, though. Saws too. If I'd kept my first 801, she'd probably still be running. It was a tough old saw.
 
Thanks - good info. if I ever need to look for another car. I hope to just keep the same 'hicles I have forever, though. Saws too. If I'd kept my first 801, she'd probably still be running. It was a tough old saw.

I'm the original owner of the TE. Raised two boys in it, then lost it in a very messy divorce and got it back. Now I'm raising my grandson in it. He loves to rub the back seat, someday he'll learn the linage of that car...lol.

I went through over a dozen Husky 2100/2101's from Bailey's when I was logging, but only kept one from back in the day-2100CD. It was one of my back up saws. Still have my first 80(35yrs) and it's always the go-to saw for smaller stuff and cutting fence posts. There's almost no killin' 'em...tough as nails. Like I said in here before, we got new saws whenever we could afford it. They were just tools....we had no reason to believe they wouldn't just keep getting better and better. When Husky dropped the 2101 and split the work between the 394 and the 3120, I had already quit logging. Dunno what I would have done when they dropped the 2101. I was always being called into big timber, but the smaller scale was really becoming a PITA. Maybe the 394 would have been enough to get me though all that. I'm sorta on the lookout for a 394, because parts are still out there, unlike the 2100/2101.

Kevin
 
I'm the original owner of the TE. Raised two boys in it, then lost it in a very messy divorce and got it back. Now I'm raising my grandson in it. He loves to rub the back seat, someday he'll learn the linage of that car...lol.

I went through over a dozen Husky 2100/2101's from Bailey's when I was logging, but only kept one from back in the day-2100CD. It was one of my back up saws. Still have my first 80(35yrs) and it's always the go-to saw for smaller stuff and cutting fence posts. There's almost no killin' 'em...tough as nails. Like I said in here before, we got new saws whenever we could afford it. They were just tools....we had no reason to believe they wouldn't just keep getting better and better. When Husky dropped the 2101 and split the work between the 394 and the 3120, I had already quit logging. Dunno what I would have done when they dropped the 2101. I was always being called into big timber, but the smaller scale was really becoming a PITA. Maybe the 394 would have been enough to get me though all that. I'm sorta on the lookout for a 394, because parts are still out there, unlike the 2100/2101.

Kevin
You sure went through your share of big saws. After the 801, I had about six 910 and 920 saws. I don't figure they were the best years for Jonnys, but I kept using them. I only had the one 2100 and can't say anything bad about it. Maybe the best sounding saw I ever had. I used it hard when I lived near Cle Elum and kept using it hard in CO. I finally let go of it when I got my first Pioneer. Only 81cc but it would outrun the 2100 in the smaller Colorado wood. (Please don't hate me for saying that.) The Pioneer was, and still is, hotrodded to the best of my hill-bility, though. And I don't think I'd trade my 655BP for my old 2100. It's almost 2# lighter and way badder.

I've never even seen a 3120 - that's a man's saw!
 
You sure went through your share of big saws. After the 801, I had about six 910 and 920 saws. I don't figure they were the best years for Jonnys, but I kept using them. I only had the one 2100 and can't say anything bad about it. Maybe the best sounding saw I ever had. I used it hard when I lived near Cle Elum and kept using it hard in CO. I finally let go of it when I got my first Pioneer. Only 81cc but it would outrun the 2100 in the smaller Colorado wood. (Please don't hate me for saying that.) The Pioneer was, and still is, hotrodded to the best of my hill-bility, though. And I don't think I'd trade my 655BP for my old 2100. It's almost 2# lighter and way badder.

I've never even seen a 3120 - that's a man's saw!

The 2100 was purpose built for big timber. That's why I got into the J'red 80...to give myself a break in the smaller stuff, even I could see the logic in that...lol. Never put smaller bars on a 2100...nothing ever less than 36". After using the 80, going into the 900 series probably would have pissed me off...especially that weak AV rear handle system on the 910...lol. I have a 910 now, but it's apart and can't find an air cleaner...like looking for the Holy Grail.

I got lucky in CO...hooked up with a show that did the biggest scale on the western slope. Got to go up on The Grand Mesa and cut FG Englemann Spruce that the Forest Service marked...beautiful stuff. Other than that, they were all cowboys and didn't know how to to do high production logging. I got on their skidder once and showed them how to run it to make money....chased me away from the equipment after that. I didn't have enough money to move back to the west coast, so I just quit logging. Had to borrow $1,500 from my brother just to get to ID...lol. Tough times in CO...where did you log there?

EPA regs eventually ruined the 3120 they tell me. They say early saws were truly bad-ass. They became a favorite saw down in OZ cutting their various large trunk hardwoods. Probably if I had stayed logging, I would have transitioned into the 3120 and the 394 for smaller stuff. I was pretty much Husky through & through then. Hard to say now about the mind of someone almost 30...lol. Someone did give me a 910 for the day though. Didn't think it was anything special over my 80...lighter is all.

Kevin
 
The 2100 was purpose built for big timber. That's why I got into the J'red 80...to give myself a break in the smaller stuff, even I could see the logic in that...lol. Never put smaller bars on a 2100...nothing ever less than 36". After using the 80, going into the 900 series probably would have pissed me off...especially that weak AV rear handle system on the 910...lol. I have a 910 now, but it's apart and can't find an air cleaner...like looking for the Holy Grail.

I got lucky in CO...hooked up with a show that did the biggest scale on the western slope. Got to go up on The Grand Mesa and cut FG Englemann Spruce that the Forest Service marked...beautiful stuff. Other than that, they were all cowboys and didn't know how to to do high production logging. I got on their skidder once and showed them how to run it to make money....chased me away from the equipment after that. I didn't have enough money to move back to the west coast, so I just quit logging. Had to borrow $1,500 from my brother just to get to ID...lol. Tough times in CO...where did you log there?

EPA regs eventually ruined the 3120 they tell me. They say early saws were truly bad-ass. They became a favorite saw down in OZ cutting their various large trunk hardwoods. Probably if I had stayed logging, I would have transitioned into the 3120 and the 394 for smaller stuff. I was pretty much Husky through & through then. Hard to say now about the mind of someone almost 30...lol. Someone did give me a 910 for the day though. Didn't think it was anything special over my 80...lighter is all.

Kevin
Here in CO, I mostly worked near Wolf Creek Pass. Mostly Englemann Spruce. As soon as more snow melts, I'll be up on the pass cutting some nice big bug-kill spruce snags for firewood with a 655BP and a 30+ year-old P51 that's never spun a round-filed chain in its life.

Also logged some nice lodgepole pine for LP in the northern part of the state.

I shoulda been using Huskys when I was using the 900 series, but the good dealer here had Jonnys. The bad dealer had Husky and Stihl.

I'll look for an air filter for you - may get lucky.

Jack
 
Here in CO, I mostly worked near Wolf Creek Pass. Mostly Englemann Spruce. As soon as more snow melts, I'll be up on the pass cutting some nice big bug-kill spruce snags for firewood with a 655BP and a 30+ year-old P51 that's never spun a round-filed chain in its life.

Also logged some nice lodgepole pine for LP in the northern part of the state.

I shoulda been using Huskys when I was using the 900 series, but the good dealer here had Jonnys. The bad dealer had Husky and Stihl.

I'll look for an air filter for you - may get lucky.

Jack
CO has some magnificent Englemann Spruce for sure...they just won't let you cut it...lol. All the OG trees they marked on on The Grand Mesa had some small degree of rot in the center. I never knew how they could tell that. Yeah, there's nice Lodgepole too for sure. But in all the stands I worked, the Forest Service would make you take marked Quakies. I hated those damn trees, they were so pulpy soft that by the time the skidder got them to the landing, there was about nothing left. Without the leaves on 'em, it's almost impossible to tell what's rotten and what's not....even the Forest Service has trouble there. I fell one once and the next thing I knew I was flat on the ground! What happened was that as I was standing there watching it fall, one behind me that was rotten let go from the vibration. Hit me on my shoulder and then rolled away. Could have very easily killed me....damn lucky that day. We also had to take those damn Balsams or what we called Piss Fir....nasty small limbs all the way to the ground...sink you bar in and they would piss water/pitch back at ya....what a mess. I could see the handwriting on the wall, we were just tree thinning for the Forest Service and the OG Englemann's were just the bait to get ya up there to do the small scale dirty work.


Yeah it was all about the dealers in those days. If you had a bad dealer that carried good saws then you had a problem. No Net and no real way to outsource parts and service. Fortunately that guy Don in Montrose could fix anything and was a really nice guy. He wanted in the worst way to be up in the woods with us...you could tell. He always gave me preferential treatment over his wood cutters. He totally went through that 80 before he sold it to me and it's still going today...lol.

Unfortunately the 900 series was ill-fated. While Electrolux Group AB left the J'red division alone for a few yrs while on the Partner assembly line, after the 910, everything changed and the saws became pretty much rebadged Huskies eventually. If the J'red division had been left alone to evolve, or hadn't been bought out, the 900 series might have transitioned into something really cool. I guess we'll never know.

Thanks on the air filter...uber rare, but I know there must be some around still.

Kevin
 
CO has some magnificent Englemann Spruce for sure...they just won't let you cut it...lol. All the OG trees they marked on on The Grand Mesa had some small degree of rot in the center. I never knew how they could tell that. Yeah, there's nice Lodgepole too for sure. But in all the stands I worked, the Forest Service would make you take marked Quakies. I hated those damn trees, they were so pulpy soft that by the time the skidder got them to the landing, there was about nothing left. Without the leaves on 'em, it's almost impossible to tell what's rotten and what's not....even the Forest Service has trouble there. I fell one once and the next thing I knew I was flat on the ground! What happened was that as I was standing there watching it fall, one behind me that was rotten let go from the vibration. Hit me on my shoulder and then rolled away. Could have very easily killed me....damn lucky that day. We also had to take those damn Balsams or what we called Piss Fir....nasty small limbs all the way to the ground...sink you bar in and they would piss water/pitch back at ya....what a mess. I could see the handwriting on the wall, we were just tree thinning for the Forest Service and the OG Englemann's were just the bait to get ya up there to do the small scale dirty work.


Yeah it was all about the dealers in those days. If you had a bad dealer that carried good saws then you had a problem. No Net and no real way to outsource parts and service. Fortunately that guy Don in Montrose could fix anything and was a really nice guy. He wanted in the worst way to be up in the woods with us...you could tell. He always gave me preferential treatment over his wood cutters. He totally went through that 80 before he sold it to me and it's still going today...lol.

Unfortunately the 900 series was ill-fated. While Electrolux Group AB left the J'red division alone for a few yrs while on the Partner assembly line, after the 910, everything changed and the saws became pretty much rebadged Huskies eventually. If the J'red division had been left alone to evolve, or hadn't been bought out, the 900 series might have transitioned into something really cool. I guess we'll never know.

Thanks on the air filter...uber rare, but I know there must be some around still.

Kevin

I found an air filter right away. I just haven't been back on the 'puter. It's either from a 910 or a 920 (the same?), and almost the only Jonny part I could find. I can see that I'd patched on the edge with a dab of something that's still holding. I cleaned it up and it should be good to go if it fits. I could send it right out to you if you want.

You're probably right that Jonsereds would have gone back to making good saw if left to their own devices.

We even had a Pioneer dealer here for a little while. Good guys but not good at real mechanicing, though they'd been to school for it. They could sure get parts anyway, and I'd figured out by then that I was better off doing my own repairs.

Yup, I dealt with my share of urine fir. The only quakies I had to cut were when I used to cut miles of right-of-way for log roads. The dang things will bounce like a football. The tree that gave me a direct hit was a big spruce. My stove-in hard hat made a good dog dish, and I used to be almost an inch taller. It didn't completely knock me out, but I flopped around and made snow angels for a little while.

Jack
 
I found an air filter right away. I just haven't been back on the 'puter. It's either from a 910 or a 920 (the same?), and almost the only Jonny part I could find. I can see that I'd patched on the edge with a dab of something that's still holding. I cleaned it up and it should be good to go if it fits. I could send it right out to you if you want.

You're probably right that Jonsereds would have gone back to making good saw if left to their own devices.

We even had a Pioneer dealer here for a little while. Good guys but not good at real mechanicing, though they'd been to school for it. They could sure get parts anyway, and I'd figured out by then that I was better off doing my own repairs.

Yup, I dealt with my share of urine fir. The only quakies I had to cut were when I used to cut miles of right-of-way for log roads. The dang things will bounce like a football. The tree that gave me a direct hit was a big spruce. My stove-in hard hat made a good dog dish, and I used to be almost an inch taller. It didn't completely knock me out, but I flopped around and made snow angels for a little while.

Jack

910, 820 and (I believe) the 920 take the same filter #504 35 71 12....the 930 and (I believe) the 830 take the more modern 625, 630 and low 670 filter # 501 77 39 01. Never tried it but you may be able to swap the 910 intake elbow for the 630/670 type....these filters are everywhere.....might be worth looking into.......maybe the lack of 910 filters is why I happen to have just received 8 NOS 910E intake elbows in a fairly large purchase of NOS Jonsereds stuff!!!!
 

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