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geezy
10-03-2008, 04:06 PM
a 505 big bore kit i see it on this 400ex for sale
drew416ex
10-03-2008, 05:06 PM
There is a 502 but im not sure about a 505.
Wheelie
10-03-2008, 08:39 PM
TC does a 505 kit. It's not just a Big bore, it a bore and stroke combo. I believe it's a +7 or +8mm crank with a 92mm piston.

+7 and 92mm piston is a 490. So it's either a +8 or a 92.5mm or 93mm piston now that I think about it.