Top End Time

3 replies to this topic
  • Zeak

Posted February 21, 2009 - 06:24 AM


It's time for a new top end on my 06' (it's making expensive metallic noises :worthy: ). Our mechanic is tearing it down today, but's 99% sure it's piston slap. What after market components have you used? Cylinder, piston, valves etc. Also, what's you opinion on after market vs OEM? Better, waste of money etc. I want to get the most bang for my buck. :lol:


  • zuch95701

Posted February 21, 2009 - 01:55 PM


athena is a good cylinder. JE is the best piston i have ever used. Stock valves hold up great if you want tougher you can get some from kibblewhite. As for gaskets go with stock for everything.

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  • brad the best

Posted February 21, 2009 - 09:37 PM


je pistons are good quality , i would choose them over wiseco . wiseco is a good second choice , oem is all top notch .

i would go with stock valves .

athena has a good reputation , oem cylinders are also of good quality . there is also ice cube , never herd anything bad about them . and they are supposed to make the bike run cooler because of larger water jackets .

i say try out the ice cube for us , plus you can get them in blue .

  • zuch95701

Posted February 22, 2009 - 10:38 AM


I have ran one of the ice cube big bore stroker kits on one of the many 250fs i have had. The bike pulled like a 450 but had the weight of a 250. very nice cylinder that held up very well.


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