Have been disassembling and cleaning up one of my OMC 45 hp snowmobile Wankels – The first is disassembled and the die-cast aluminum side plates have a band of very hard material embedded just in the area  where the apex of the rotor traverses – It’s about 3/4 inch wide and an oval shape – Does anyone have information on what this material is and the process used to embed it into the softer aluminum ? – Can send photos if anyone is interested -

Roland Friestad

Could be a repair. Always interested in photos.

Paul Lamar

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