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YZ 250 Power Valve?

Joined
Aug 22, 2004
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#1
2003 YZ250, looking at a DSP Power Now Valve. Anyone have any experience with these?
Ordering the Fatty Moto and weighted flywheel, just wondered for the money if they were noticable. Thanks for any help.
 
Joined
Mar 30, 2006
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#2
No don't buy one. I head they're pretty much un-noticable. Get a reedblock and carbon fibre reeds, or invest in some porting if your looking for noticable power gains. Also with porting you can get the power where you want it.
 

_JOE_

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May 10, 2007
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#3
For what you'll spend on those bolt-ons, you could have Eric set up your motor for whatever you want, and it will work. Not that a pipe and flywheel weight(or a good set of dual-stage reeds) aren't good mods.