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Gytr piston

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Hey guys I am about to do a top end on my 2015 yz250f. Thinking about going for the gytr hi compression piston has any one used it and is it worth the extra cost over the stock kit. Cheers

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Yes you will feel a difference all though the powerband.  You do have to run at least 100 octane.   I have a low hour high comp. procircuit piston if interested.  I would put new stock rings on it

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Cheers man. Could you run a mix of av gas and pump our highest octane fuel is 95 and race fuel is about 200 a gallon and pay 60 bucks for av. 

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