RCU Forums - View Single Post - Need thread size and pitch for the prop nut on a Ryobi 31cc engine
Old 07-09-2011 | 07:26 PM
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w8ye
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Default RE: Need thread size and pitch for the prop nut on a Ryobi 31cc engine

For the old inverted Ryobi's, the long shaft ones were 3/8-24 and the short shafts are 5/16-24