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fordrocks150

piston break-in with yoshi?

3 posts in this topic

i have just replaced the piston and rings in my 2009 yz450f. and i have also just bought a yoshimura slip on. should wait and break-in this piston with the stock pipe or does it even matter?

thank you.

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as long as its a tube that directs the exhaust to the back and somewhat dampens the sound you should be good to go :thumbsup: Just make sure you change your oil after the first hour or two.

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