Author Topic: Stihl 066 Repair/Teardown/Reaasembly  (Read 3810 times)

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Offline 660magnum

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Re: Stihl 066 Repair/Teardown/Reaasembly
« Reply #10 on: June 22, 2012, 10:53:35 am »
Got the O ring (which is more of a short piece of tube) amend the oil flows correctly now. 

Had to replace the entire fuel cap.   I could not get the gasket alone, but at $8 I can be a sport. 

Can the ring that the chain goes into that slides over the sprocket (?name) be placed on either way?   I placed it with the numbers designating pitch on the outside, but the owners manual shows it the other way-the clover leaf pattern is facing out.  Is this reversible, or should I disassemble and turn it around?

This saw is ONE MEAN MOFO by the way.  I have the factory 20" bar on it that seems ridiculous.
My Rim sprokets are mounted with the numbers out

I have several bars but the 24/25" or maybe a 32" seems pretty good for the wood you would be using this chainsaw on?

With the 066, they made a lot of changes to this chainsaw model during the 90's. There are several technical bulletins describing the differences and for example what coils match what flywheels to maintain the correct timing etc. I have a 066 and it is a Duke's mixture of different year parts that span the whole flat top era. The last 066 version wasn't much different than the first 660 version.
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