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whilst perusing on the onda thread i saw a good topic.

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what kind of pistons are you guys putting back in your bikes when you rebuild them, i was just going to go with a wiseco but they are saying that some of the pistons sizes are just a tad off, i was also thinking about going up one on my compresion, do i have to put stiffer valve springs in for that?

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It doesnt neccessarily mean you need new valves. However, i would contact them and see what the changes are for higher compression ratio. They may have just slighly changed the cut outs or made the piston taller which incase you may need change your valve clearances. Call and ask htey will be ahppy to help!

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