600 twin big bore

Not exactly the answer to your question, but just my opinion. For the money, you are better off buying a used 700 tripple engine and putting that in there, if you get all used parts and sell off your stuff, you could do it for not too much money and much cheaper then that kit. That kit, I've heard, Makes an already touchy twin even worse. The 700 tripple is bullet proof and will make the same hp as that big bore kit. Just my opinion. I had contemplated the same thing at one time.
 


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