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  1. RD250 R5 hybrid

    Custom 2-Stroke
    Hello, I inherited my Father's RD-250 that has been partially disassembled. The heads and cylinders are MIA. I also have a R5 engine that I would like to use to get the RD-250 running. What would be the recommended method to adapt the R5 to the RD-250. I would like to keep the 6 spd trans. that...