_JOE_

~SPONSOR~
May 10, 2007
4,697
3
The biggest difference is when you swap out some old, worn petals with new ones. If the ones you have in there now are old and sacked out you'll definitely notice a difference. As Indy said, the dual stage setup helps smooth out the power.
 

CR3999

Member
Feb 28, 2000
163
2
What kind of bike? I prefer the V-force reeds.
 
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_JOE_

~SPONSOR~
May 10, 2007
4,697
3
You'll never get "smooth" power out of an 1981 125cc mx bike. Maybe with porting and head mods but even at that it's not going to be "smooth".
 
Dec 17, 2005
35
0
I installed the reed valves in the yz yesterday and it seems to have picked up a couple of hp. The stock metal reeds looked to be in great condition but I noticed that the Boyesen reeds were much stiffer. It was a very good investment. Now I need to install them in my cr.
 
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