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Author Topic: Stihl 090 has squeak in engine.  (Read 3120 times)

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Offline acco1840

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Stihl 090 has squeak in engine.
« on: July 05, 2011, 02:27:34 AM »
My old 090 has developed an internal squeak that gets worse with engine revs, but doesnt go away on idle. Have taken off clutch to tryu that, and made no different. Tried the same with the starter. Any ideas?? I took off the muffler, and it (the squeak) became louder.....

Offline ladylake

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Re: Stihl 090 has squeak in engine.
« Reply #1 on: July 05, 2011, 06:40:20 AM »
 Could be a bearing going out, time to pull the jug and look.    steve
Timberking B20 15000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

Offline clww

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Re: Stihl 090 has squeak in engine.
« Reply #2 on: July 05, 2011, 08:51:06 AM »
I would guess a bearing, too. Especially since you pulled the muffler and it got louder.
Many Stihl Saws-16"-60"
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Offline SwampDonkey

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Re: Stihl 090 has squeak in engine.
« Reply #3 on: July 05, 2011, 04:01:49 PM »
Bearing, it'll soon make a nice rattle. :D
Move'n on.

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Re: Stihl 090 has squeak in engine.
« Reply #4 on: July 16, 2011, 02:40:26 AM »
Found out what it was.........She broke a piston. :(

Offline ladylake

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Re: Stihl 090 has squeak in engine.
« Reply #5 on: July 16, 2011, 05:43:59 AM »

 Good to find that out before it grenaded, check those bearings while you have it apart.  Also make sure there's no broken piston parts hiding in the crankcase.    Steve
Timberking B20 15000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

Offline SwampDonkey

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Re: Stihl 090 has squeak in engine.
« Reply #6 on: July 16, 2011, 05:54:08 AM »
Just speculative here, but musta been a bad ring(s) or bearing to eh?
Move'n on.

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Re: Stihl 090 has squeak in engine.
« Reply #7 on: July 17, 2011, 04:28:26 AM »
yeah, rings were loose in the groove.

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Re: Stihl 090 has squeak in engine.
« Reply #8 on: July 31, 2011, 03:58:16 AM »
Pulled her down and discovered it had let go the big end bearing that holds the Conrod to the crank and it drove bits of it through the piston. Not happy. Luckily, the conrod is the old un-Boltable type, but sadly, it buggered the crankshaft. Am in the process of bolting all of my bits (Coil, clutch, Carb, Handles etc), to another 070. Got new set of genuine 070 rings from local Stihl dealer- $28 each!!
Will be firing her up tomorrow.

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Re: Stihl 090 has squeak in engine.
« Reply #9 on: July 31, 2011, 06:55:54 AM »
Figured a bearing went. ;D
Move'n on.

Offline sharkey

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Re: Stihl 090 has squeak in engine.
« Reply #10 on: August 02, 2011, 07:07:00 PM »
>>Got new set of genuine 070 rings from local Stihl dealer- $28 each!!<<

Wowie!  Gold plated?


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