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by Mad_scientist_MBP
Tue May 02, 2017 7:22 pm
Forum: Michael Bennett Performance LLC
Topic: 15 yz250f GYTR head
Replies: 4
Views: 1513

15 yz250f GYTR head

This is a GYTR head I did for a 15 yz250f. Cnc porting was cleaned up and improved as well as the dome being reshaped and polished. Previously had a 270 kit and u4.4, it's now stock bore, stock cams, stock piston, and pump gas. Racer is happier now than he was with the big bore. My personal opinion ...

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