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Burnt up stihl 290 chain saw 4 months old
Kthompson,
My son-in-law just burned up his Husqvarna 455 Rancher. The dealer told him it wasn't worth fixing.
I asked a bunch of questions, and determined that the saw failure was caused by fuel that had been stored in the saw for a long period, causing the fuel-oil mixture to separate. The piston was broken and the cylinder had signs of very high heat and no lube.
New parts for the saw cost $49.00. (ebay) He replaced the piston and cylinder. Works like new.
2-stroke gas-oil mixtures will begin to separate after only a few hours. If the fuel isn't mixed up again before use, the saw will suffer badly from lack of lubrication.
Lesson learned.....but the saw works like brand new again.
You might want to try rebuilding it yourself. It's not a difficult project, and you'd be out nothing if you fail.
Joel
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Burnt up stihl 290 chain saw 4 months old
Kthompson,
I believe I've found a kit for you.
See link below.
Joel
Link:
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Burnt up stihl 290 chain saw 4 months old
Kthompson,
My son-in-law replaced his Husky parts with the same aftermarket version I provided in the link. Perfect fit, and no problems at all with the operation.
I was able to see the bad jug and piston when he was up to visit at Thanksgiving. The jug was badly scored, and the piston was melted around the top edge, before it finally broke. The wrist pin mounts snapped off in the piston. It was evident that the piston had seized in the cylinder while on the compression stroke.
I'm sure these replacement parts are imported, but he's very happy with the way the saw is running.
I think it would be worth trying. For 42 bucks and free shipping, you wouldn't be out much, and you could end up several hundred bucks ahead.
Joel
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Burnt up stihl 290 chain saw 4 months old
Kthompson,
Glad to hear you got the Stihl running again.
Treeman is correct. Any small air leak will cause your saw to run lean, but I believe the shop guys would have been able to determine if there was a leak, because the carb adjustment would have involved several turns on the adjustment screws to compensate, which would have set off a few alarm bells with them.
Keep us posted.
Joel
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