engine model

  1. J

    What Engine model Do I Have?

    I was here a while ago talking about how I ruined my engine & needed a top end rebuild - the ebay vendor f*ed up & I'm just going to buy another 'nother one. The thought came though about how to know what model engine I have? I'm seeing stuff on eBay marked Set H CK19, 66-80cc and 47mm...