Author Topic: 346 OE Piston  (Read 4195 times)

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Re: 346 OE Piston
« on: February 27, 2011, 08:31:58 am »
I've never seen a 346 with 2 piston rings; either OE or NE. Could it be an aftermarket piston in there?

You just never know what's been done to a saw before you get it. I had a 670 that ran so-so. Just never had much snort to it. Would get toasted by my 630. Rebuilt the carb; no better. Decided to tear it down and have a look. Someone had been in there before and put an aftermarket open port style, non-windowed piston in it. Replaced it with a proper OEM windowed piston and it's a night and day difference.
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