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yzfrider46

valves

4 posts in this topic

i have a 99 yzf400 and i am looking for any information i can find about possible switching out the valves for a 2001 426 titanium valves? wondering if it was possible and also if you just need to pick up the 5 valves or a whole new assembly? risers, valves, springs, etc... again any information you can give me would be greatly appreciated. thanx alot

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If they are dimensionaly the same (head diameter, stem size ,overall length) then all you'll need is the corresponding valve springs to go with the lighter weight ti valves.

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i have a 99 yzf400 and i am looking for any information i can find about possible switching out the valves for a 2001 426 titanium valves?

Just curious, why would you want to change them?

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i am wanting to change them to get better snap off the bottom. the same reason they started using them on the 426's it gives you more of a 2 stroke snap.

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