Originally Posted by Eivind E

Made the mistake of accidentally buying a Gen 1 version of this engine from ebay seller "atomrc" who conveniently neglected to mention that the case on Gen1 was a dud, and that the o-rings were the wrong size on the carb.

So question is now, how do I get the updated Gen 2 case and o-rings?

I feel a bit cheated, the seller made sure to write "2011 version" but conveniently neglected to mention the flaws.