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Boyesen

Rad Valve - RAD-12C

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Boyesen

Rad Valve - RAD-12C

MSRP Price: $179.95

Our Price: $151.88
Ships Free
You Save $28.07 (16%)
Email Me When in Stock
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MSRP Price: $179.95

Our Price: $151.88
Ships Free
You Save $28.07 (16%)
Item is Out of Stock
Make sure this fits your ride
Email Me When in Stock
Boyesen Rad Valve - RAD-12C
  • Now delivered with carbon fiber reeds for even greater performance gains
  • Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports
  • Sharper, quicker throttle response
  • Added torque improves performance on hills, through corners and over technical jumps
  • Increases horsepower in low-, middle- and especially the top-end ranges
  • One-piece aluminum casting, no trimming or plastic inserts required
Specifications
Part #: 180640
Mfg #: RAD-12C
Type Rad Valve
Type Reed Valve Assembly
Units Each
Weight 0.12 lbs
Alternate/OEM Part Number(s):
RAD12C
UPC Code:
804429500734
Resources & Manuals
Fitment for Boyesen Rad Valve - RAD-12C

Part 180640 fits the following machines

Kawasaki
  • KX250 1997-1998
Reviews & Questions
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4.8 / 5.0
19 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
16
3
0
0
0
Finish
5.0 / 5
Fit
4.9 / 5
Quality
4.9 / 5
Style
4.9 / 5
Value
4.6 / 5
Would you recommend this product?
Yes (1)
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
4 / 5
Get redy to feel the TORQUE !!!!
I was deciding between the V-force2 or Boyeyen .so i got em both ..after trying em i fond that the Boyesen rad valve is better if ur a trail rider b-cuz it give way more torque than the v-force . but if u are only concerned about top end speed , then the V-force is better b-cuz it gave alot better top end speed, but the boyesen has duel stage reeds..so she gave better throttle responce. so there you go the best of both and it all comes down to are you a trail rider or a racer . :) your welcome
March 2, 2010
New York, NY
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
4 / 5
BEST VALUE
AWESOME REED CAGE GREAT LOW END GRUNT EASY TO INSTALL AND A CHEAP BUT NOTICABLE POWER INCREASE VERY IMPRESSED THANK'S
January 22, 2010
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
Excelent value
Installed it on my CR-125 and what a difference....
I jetted down from the stock 172 main jet to the recommended 165 and the bike runs better than it ever did...plenty of low end now, I can come out of a berm in 2nd gear now instead of having to grab 1st to get the jump on the dude next to me..:)

Pull hard in the mid range also ...no change in top end for me... but I didn't really expect any there
worth every penny I paid
January 10, 2011
Finish
5 / 5
Fit
5 / 5
Quality
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
Nice, tons of mid and high end power
March 21, 2019
Pleasantville , IA
Purchased
5 months ago
Ride:
97’ Kx250
best addition to any 2-stroke!
I put one of these boyesen rad valves on all of my 2-strokes. great fit, easy install, great quality, and noticeable improvement throughout r.p.m. range. And as always, great service, and fast shipping, thanks Dennis Kirk!
March 1, 2016
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
No Review Title Entered By User
No Review Text Entered By User
February 23, 2010
oceana, WV
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
great buy
Awsome and instant power, when u compare this valve to the stock veed cage it just looks like it has better flow. then when u put it on.. instant power. need to lean out the jets 1-3 sizes but other then that it fit perfect for my 01 cr250, all aluminium means it replaces that cheezy plastic stock reed cage which is prone to cracking and sucking in sand and dirt and killing your engine. great but looks great and performs better. Fast shipping and great service on this hard to find part for my bike thanks denniskirk and boyesen
March 23, 2013
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
No Review Title Entered By User
made a big difference in throttle response and power and it installed with no trimming
April 25, 2011
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
AMAZED AT QUALITY
This is how parts should be made! This product is better than I could have expected. Now if only stock products were made with this quality. Solid piece of gear that fits perfect. Dual reeds was an added plus also. This is wayyyyy better then the multi piece stock part. I would not only recommend this product and company but its the only place I will buy from because of the bad a** quality and price of products! THANKS DINNIS KIRK!!!!!!!
March 1, 2013
CO SPRINGS, CO
Fit
5 / 5
Quality
5 / 5
Style
5 / 5
Value
5 / 5
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No Review Text Entered By User
May 10, 2013