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Jonsered MK70 cutoff saw

Tugg

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Does anyone have any experience with these? It is jonsered version of a demolition/cutoff saw. It is the same power head as the jonsered 70/70e. Does the jonsered 70/70e run well? Picked one up needing a piston and maybe a cylinder if it will not clean up. Was wondering if it was worth it or if there is a reason that there are so few of these around. May be Spike60 has some info.
 

sixonetonoffun

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70e has 2 cylinders:
Early with no coil mounting bosses.
Late with coil mounting bosses.
The late ones are a little harder to come by. AM pistons are vec quality. They work ok.

Fly wheel same deal early plastic fins internal magnets..
Late all aluminum. External magnets.

Early used a potted ignition module under the fly wheel. Unobtatium almost but 52e will also work.

Late uses a coil and chip simular to a nova/atom module.

No clue on MK specific stuff.

Tons of info on AS Jred thread but pix are all missing from the best posts.
 
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