Chain Saw , Crapping out on me
 

Runs awesome untill it gets hot then it just dies and wont start up ,

Coil?

BTW its a Jonsered and it will out cut dads sthil ALL DAY LONG , (When it runs) :D

Might be vapor locking, spark plug fouling up, have you been fiddling with the carburator screws??

Its cranked to the gills , Runs like a Bat out of Hell but when it gets hot its DOA

:humm:

You didn't give it enough loving!!!:w2::w2::tttt:

Check the gas cap vent, make sure it's not plugged with mud or something. Had that happen on the riding tractor, would suck the tank in til i vented it.

lol

I'll check that but it runs about 1/2 tank out before it dies

JUST CHECK IT!!!! JEEZ:argh:








:lol88:

You say it's "cranked"? how long ago? Does it have a bigger slug in it?

The reason I ask is I have seen over time where they will get heated up and the piston will actually swell and start to seize. When it cools down again it will run fine.

its got good compression hot or cold , Its a Stock Engine with limiting tabs Broken off

OK, just a suggestion, next I would check the vent like suggested and check all the fuel lines.

O and when you get that one running good I will send you my 075 Stihl and you can work on that:w2:

I'm thinking along the same lines as 00' Quad Cab.
Dude, I think your saw needs a pyro. :rocking:

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Seriously though. About the coil.
Does it still have spark once it warms up and dies?

We have 2 Stihl's here i would rather use an axe :D

I pulled on this things crank until i seen bubbles , Im ordering a New Coil , will that come with the spark plug wire also ? anyone know ?

Need you to come down and hold the wire and ill pull it

IIRC the Jonsred should but don't quote me on that one, been a while since I slummed it with a lesser chainsaw:w2:

Where online can i get a coil ?

Yes the new coil will come with a plug wire.
You don't need me to hold your wire while
you tug on it. :D :D :D

First thing is if you can't remember the last time you
put a plug in it, replace it. Now you know for sure without
a doubt that the plug is good. Run the saw til it "craps out"
and then check for spark. Not just any old spark, but a good
spark. When you search for a new coil be sure you're sitting down.
The price of a new one will just about floor you. Sometimes it's
cheaper to just replace the whole saw.

I had the same problem with a husky (I believe jonsered comes out the same door as poulan and husky) I used (good cutting saws, higher rpms and when you hit a rock you dull the chain twice as fast as you would with a stihl).
when it got warm it would shut off and wouldnt run until it was cool. I mixed the fuel with a little more oil and never had a problem again

First off, why do you have the limiting tabs cut off? Do you have a ported jug or muffler? If you just richened up the mixture, you're gonna stall the saw when it gets up to temp and the air starts getting warm. Lean your mix up on your H screw and let it barely 4-stroke at WOT when its warm... 2 strokes can be hard to tune sometimes.

BTW, J-Reds are nice saws, but now that they are owned by E-Lux, they are the exact same thing as Husky, just without the bent handle, lol... My old 044 has never left me hanging, and it'll out cut a 372XP or 2171 any day of the week.

Had the same prob with my Jonsered, they are notorious for vapor locking. Try these tricks and see if helps,(it did mine) 1. Only shut it off with the choke,(over fueled condition) 2.When it is off unscrew the gas cap (lay it on it's side first) to allow it to vent. This helped mine alot. If it helps you can drill a small hole into the gas cap (1/8" or smaller) it leaks alittle but worlds better than dumping the fuel on you leg and losing the cap in the woods. Hope it helps ya out. Had an old cutter I worked with in the Big Horns tell me to try these tricks.:c:

GB, it sounds like your tank vent is blocked. It should have a vent on the side with a hose coming up around where the Carb is (at least thats what the Husky's do). You shouldn't need to drill a hole in the cap. The old saws ran better with one, but often thats because the old tanks vent was in the cap, so if you just drilled the vent hole our, it would unplug the varnish that built up in it.

DM, you just need one of these: