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Dirt Bike Brands - Other
Straight talk on valves. Builder vs Builder, SS vs Ti
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[QUOTE="whenfoxforks-ruled, post: 1304318, member: 73147"] Here again, have you ever seen a fatigued spring on a dirtbike? All you have to do is measure the free length. Take Joe's bike, for kibbles: 120 for the valves, 210 for the springs and what not. Faction(wow, they have the black coating?) 130 valves and 265. CNC machined ti: 700( if they even set them all up with ti?) and 355 for the rest of the parts. OEM: 174 valves and 90 for the rest. The only kibble set up that I have seen wear out, was a bad seat to begin with. And that was over 50 hours on a 450. There are applications that supposedly ti shows dyno increase, not dirtbikes. The only advantage that I see, is they cup out and run crappy when they are shot, the ss merely fall off into the head. As far as I know the service is about the same, they are both good to the 3rd or 4th reshim. Everyone that I have met, and has a problem with Forward Motion, usually falls into the eye candy porting, or a c class guy figuring his issue is his motor. The 450 stock is too fast for mx, and is already shut down in ax. The 250, you must have some deep pockets to go messing with an engine that puts the rering at 15 hours stock! [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Straight talk on valves. Builder vs Builder, SS vs Ti
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