Join Date: Sep 2011
Location: Rhinelander WI
Thanked 356 Times in 178 Posts
I don't want to change the bore but If I knew JE made a higher compression piston I would have went that route. I emailed them a while back and they told me they wernt going to do anything with the 250. I wonder how much the piston kit is.
2011 CBR250R, Modded 84 honda spree, 2013 CBR500R 2014 Grom
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