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View Full Version : so everyone has seen the yamaha tri z wrench report but...



TRI Z Racer
03-14-2004, 05:02 AM
Has anyone ever seen the phase III mods that they suggest? It metions it in the quadpit/dirtwheels article for the following month. Does anyone know them or heard about them?

TRI-Zbrian
03-15-2004, 02:48 PM
i would also like to know this i have herd of phase 2 mods but not phase 3/ sounds intresting :D

XFR_Dozer
03-15-2004, 02:54 PM
if memory serves .phase 3 was a little more radical porting. higher compression by milling the head more and higher compression piston . and the yz 250 cylinder with the powervalve. im sure there was some more as well but i dont recall from memory