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Old 03-26-2010 | 07:20 AM
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Hobbsy
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Default RE: Which 2 strokes have a ringed piston ?
I have a Webra .61 SilverLine that has a needle bearing at the top end of the rod. The needles in it are not caged but are loose fitting so it looks like there is room for one more needle. I assume that is deliberate so they won't crowd each other.
My OPS 30 Maxi had a needle bearing on both ends of the rod and could be run on 10% or less oil.
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