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Discussion Starter #1 (Edited)
I currently ride a 2012 WR450f and have been considering upgrading to the new 2016. My concern is that the motor is appears to be nearly identical to the based 2014-current YZ450f, with the exception of a wide ratio transmission. (I could be wrong on this) From the service manual the yz call out for a piston replacement every 12.5hrs. Does anyone have any experience with the Current YZ450f reliability?
 

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Discussion Starter #3 (Edited)
I doubt people are replacing the piston every 12hours. That's like two weekend riding trips worth. Maybe calls for that under professional racing.
Yeah that would be worse then my old two stoke. Wondering if it could make it 200hrs before a top end. That way it would make it through a season.
 
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