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sl175 engine oils

  1. Member Introductions
    Hi to all. I have embarked on a full resto on a KO SL175 and after trials and tribulations just starting to put back together. One big question: Engine OIL . Book states 10W-30 and I assume full mineral: What can I use that wont screw the engine .(can get 10w-40 semi) I have done new rings and...
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