Originally posted by spanky250
Moof the blown YZ-F's I have seen have been big-bores. I don't think that particular engine design lends itself to overboring very well.
Originally posted by weimedog
But those old KX500 keep tearing up the deserts...less stress on those big monsters I guess.
Originally posted by weimedog
Exactly.
The point is guys like you and me can buy a KX500 and with a fraction of the effort and cost Ty puts into Yamaha's and Yoshimura puts into DR; have a competitive race bike in the desert. Thats also brutaly fast and reliable. Cheaper than a VOR, KTM, Husaberg, and YZF. What a deal!:D
When Ty tries to build a motor that will run at high speeds all day, trying to keep up with the 500's. It makes his motors very unreliable. He doesn't have this trouble in hare scramble type events. The 426 is not designed to be a open class desert machine.
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