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Chainsaw parts
By Demetri, Section Classifieds Posted on Sun Jul 27, 2003 at 09:46:48 PM MST
Takers, anyone?

GREAT magneto, jumps a bright blue spark 1/4 inch. I rebuilt the carb, I replaced the spark plug, and the thing won't even cough. Had fuel, had spark, checked the compression. 15 psi. Put oil in the cylinder, came up to 25 psi. I was forced to come to the conclusion that the saw was dead. It's a Craftsman/Paulan model 358. Everything's in good shape, the bar and chain are already spoken for. I can post carb numbers if anyone's interested(maybe to cross reference to a different engine), but I'll let the whole thing, or pieces, go for the cost of shipping.
Demetri

Chainsaw parts | 5 comments (5 topical)

Re: Chainsaw parts (none / 0) (#1)
by RobD on Mon Jul 28, 2003 at 06:13:46 PM MST

Two things. Check the reed valve, usually these things have them. Sounds like rings to me. Easy job and cheap.
2 cycle engines are mean little varmints if you ask me. That's why I like the new Honda 1.5 hp 4 cycle. Small, quiet, dependable and it doesn't shake like the diesels.
RobD

Re: Chainsaw parts (none / 0) (#2)
by pearl on Mon Jul 28, 2003 at 10:35:11 PM MST

Make sure that the key that holds the fly wheel to the crank shaft has not sheared off,this will through the timimg off and it will NOT fire at the right time, . Just a thought.

[ Parent ]

Re: Chainsaw parts (none / 0) (#3)
by Demetri on Mon Jul 28, 2003 at 10:38:58 PM MST

Thanks for the response, RobD. There's no reed valve in this engine, just a port. The way I understand it, a faulty reed valve would allow the charge to flow back out of the carburetor from the crank case when the piston is on it's down stroke, but the compression would still be fine(correct me if I'm wrong). The cylinder walls are pretty scored up, not worth the hassle or expense to have it bored(we're talking .080" here), get oversized rings and piston, all that. If you think it's worth it to you, you know the offer. Carrying case comes too.

Demetri
Uncommon sense required.

Re: Chainsaw parts (none / 0) (#4)
by Gorilla Boy on Sun Aug 03, 2003 at 09:48:38 PM MST

Demetri, One thing you can try (which I have to do on just about every 2 Cycle I do a carb rebuild on)is - take an oil can (you know the type you put oil in and squeze a handle on when you want oil) and put some gas in it with a little bit of oil (or some of your mixed Gas/oil). Remove the breather and open the choke with the throttle wide open squirt a little of the mixed gas down the carb (one to two is plenty). Now try to crank it (with throttle open full and choke closed). You will probably have to do this a couple of times before it will run for more than a few seconds at a time. When it seems it may have warmed up a little you can then try to adjust the high side adjustment screw while it is running (for those brief seconds and make sure throttle is open full). 2 cycles can be tricky after a carb clean and rebuild. If you still don't want it or just don't want to mess with it, could you get me a quote for shipping to 75474.
Good Luck!

Re: Chainsaw parts (none / 0) (#5)
by Demetri on Wed Aug 27, 2003 at 10:38:05 AM MST

Sorry Gorrilla, I know about priming the engine to get it to crank up. Fuel was dripping off the spark plug. I already yanked the carb and the flywheel and the magneto and tossed the rest. If any of you have a saw like this, come up with a better air cleaner. The unoiled foam is junk. And no, it's not supposed to be oiled. I tried, and the saw got warmer than I like it to, and I shut it down before it over heated. That was also the case after I'd readjusted the air/fuel mix to match the lower air flow. The manufacturer does not recomend oil either.

Demetri
Uncommon sense required.

Chainsaw parts | 5 comments (5 topical)

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