1. M

    Break In New 80cc break in weird noise + low performance?

    Hello all, So I am relatively new to the MB scene and to this forum but everyone here has been a great help. So I bought a new 80cc engine off eBay (just a basic kit engine). I know these engines require a break in period but i have a few questions. Here are my specs. 100:1 Opti2 C Clip is in...
  2. M

    New Engine Questions

    Just bought a new 80cc engine online. Bought it from ebay, its a basic 80cc/66cc (Jet) engine. Ill post a link to the engine on ebay. I Was wondering if you guys have any tips for me regarding break in or assembly. I was thinking about breaking in with Opti2 at 100:1 but open to suggestions...