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  1. R

    Assistance in identifying Yamaha 50HP 2 stroke

    Hi. Here are some of the pictures of the engine. The CDI has 6H4-21 on it. On the side of the block, just above the oil injection tank there is what appears to be a freeze plug with the number 383458 stamped on it. I wasn't able to see anything other than some writing about torque specs on...
  2. R

    Assistance in identifying Yamaha 50HP 2 stroke

    Hi. I'm trying to find another way to identify the Yamaha 2 stroke I have. I doesn't have a tag from the factory on it. It is a 50 hp, 3 cylinder with oil injection. My guess is it is from the early to mid 2000's. Any suggestions on what to look for so I can identify it? If you think a...
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