only thing is you are either gonna have to block off the head breathers or modify your rocker boxes to use them , i did the modification but she tends to blow a little bit of oil out the aircleaner but i thought that less crankcase pressure is better so why not , have had the moter together now for 11000km and no problems other than the afor mentioned breather problem , on our SI trip in feb i was getting around the 50mpg so i am very happy , one thing i was told by Doug Hayes properly warm your engine before riding or you will crack your heads

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