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Dirt Bike Brands - Other
CRF 450 Valves
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[QUOTE="DEANSFASTWAY, post: 635964, member: 31309"] Hi Mike : That would probably be a good way to sell the valves : Buy each valve with a spring. What do you think about YZF 400s which originally has steel valves Id like to switch to TI Exh valves and go with the 03 exh cam but am wondering if the 400s stock springs may be too much for the Ti valves and may pound the valves into the seats too hard. Any Ideas on this or should I just buy new 426 springs. Or maybe KW has a set .Its a relatively new 400 motor with very very little time on it if any. If it was really used up Id just buy new springs . I probably should anyway as theyre cheap. I havent yet checked the closed and compressed seat pressures but was wondering if any of you folks have. Any help would be greatly appreciated . Let us know . Thanks DEAN [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
CRF 450 Valves
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