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new top-end on an SMR510

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i hope someone can advise me here!

bike is 2005 SMR510. i fitted a 2006 cylinder head, it dropped a valve (now i know about the piston cut-out sizes for valves!) and the piston went through the barrel. original parts are really expensive in New Zealand, so i'm looking at halls cycles and others for the necessary bits, as i can't find any second-hand (maybe looking in the wrong places?).

i'm going to need a head, barrel, piston, rod and probably crank as i think the ones on there are beyond repair (according to the guy doing the work for me).

what model year bits can i use? the part numbers for the cylinder head are the same from 2006-2009, but from 2008 the cylinder and piston part numbers change, and there are lots of variations between model (TC/TXC/TE/SMR). does anyone know what the differences are, and which ones would be best to choose? i mainly use the bike to race, and i can manage simple maintenance (and i know not to meddle with the bigger stuff now!).


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