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Old tilton jonsered price sheet supersedes that number by 503484801. Also fits husqvarna 181 282 288.

I have one of the cardboard bar covers that came with that saw. Ya gotta love a redhead!

Never seen a metal one. Have seen aftermarket (china) of lesser quality that don't last. Also in colder temps a lighter weight bar oil puts less strain on that gear.

Parts PDF

Spec sheet from service manual. I believe the "champ" name was mainly marketing.

Jonsered service manual says 20V, 80W 80W divided by 20V = 4A

Looks like EFCO/EMAK design to me. With new body work styling on the MTH series.

Here's what the service manual says.

It started here: https://www.arboristsite.com/community/threads/70e-plastic-flywheel-3-d-printable.269641/

Check this web site to find e-free fuel. https://www.pure-gas.org/ When I fill my cans, I always pump a couple gallons in the truck first to purge what was last to go thru the hose and nozzle.

There is an early and late style ignition for the 70E. The part number you gave is for the early style (before serial number 1585000) coil located under the flywheel. Module for this mounts in recoil housing. The later uses a conventional coil with a nova type module mounted on case by carb.

Oop's I lied Only $2.16 ea.!!-------plus shipping https://www.searspartsdirect.com/part-number/505220914/0071/358.html?pathTaken=partSearch&q=505220914

Found these in my NOS pioneer/partner stock. Fits P55-P85 and others 505220914. Just for fun I googled this part number and it came up IN STOCK at Sears partsdirect, $2.61 ea. !!!

The closest factory service manual I have is for the 510/520. It doesn't give a torque spec., just says tighten alternately. Later model saws spec sheet gives spec. and most are 10-12nm. (88-106 inch lbs.) for cylinder.

I looked at the 2 451s I have and can't find that wire. Early and late versions before and after serial number 1101301

Model 80. This one is just out of my reach in travel time, considering I should be thinning, not adding! Good deal for collector near U.P. MI. https://up.craigslist.org/grd/d/chainsaw/6610648879.html

If this was closer I'd be there https://up.craigslist.org/grd/d/chainsaw/6610648879.html

Knowing--56mm bore, thyrister ign. (2pc. mounting bracket) and w/de-comp, narrows it to R440T. R40 and R440 are point ign. P100 2pc. ign. module in handle, no de-comp. P100S one pc. ign., no de-comp.

If you have all the parts to build a runner,,do it! You can add a muffler brace from a 353 346 2152 2153 with an easy mod. Keep an eye out for 346 with bad cyl. for future build.

Wish I was closer, be all over this one. Good deal even if it didn't run. https://up.craigslist.org/grd/d/jonsered-chainsaw/6556155974.html