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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Motor differences between CRF450vsCRFX450??
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[QUOTE="AJ Waggoner, post: 1040448, member: 16665"] X to R - valve and valve springs, cam timing is different,, exhaust different from header to silencer.. and the airbox is vastly different.. carb jetting is different, stator/rotor , wiring harness, CDI, susp is differtent, susp linkage rates and linkage are different actually therte is quite a long list. all add up to quite a bit of difference in performance as one is geared at a completely different set of riding conditions than the other. one isnt "better" than another? just manufactured and designed specifically for different markets and applications? as posted - to make an R into an X , is a VERY long long away around..towards a specific goal. it's much more common to want an X to have a bit mote "umph" ?? and to add in some R engine components, as well as and modify the airbox,carb jetting and exhaust for improved (or mote R like hp) performance. and yes the mentiuoned wire mod.. this direction isnt so difficult,and an X can be livened up fairly easily.. with just the airbox mod ,electrical mod, and jetting etc. but honestly to completely change either model ,truly into the other, is very pricey , and not cost effective. (easier to sell one and buy the one you want) [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Motor differences between CRF450vsCRFX450??
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