im going to the dyno next week and make a before run and try to make one after TB bore.

Where did you get the 11,5 piston for stock bore? i can only find 11:1..

probably it will be a big bore cylinder in the future but right now I have difficulty getting my wife to think that it is something essential just as she was planning for the winter holiday.

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XTX 2011. Yamaha Hand Guards, Akrapovic slipon mufflers, Snorkel removed, Airbox drilled, AIS Blocked, PCV, Dynojet Autotune, Kev O2 Controller, Dna Stage 2, KN air filter, mini indicators, steel sprocket cover, cnc levers, cnc mirrors.