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3 rings vs 2 rings, 25 hp Evinrude

alundstrom

New member
Tore my 1975 Evinrude 25 apart, honed it, want to replace rings. All I can find are 2 ring sets; mine has 3 identical rings, no taper. Anyone know where to find the correct part number? Thanks
 
Facts for you ---------The last ?? year for the 3 ring piston is 1968 20 hp I believe.---------So it is possible that your motor has been worked on.--------How wide are the rings ?------What ignition is on your motor ?
 
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