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Thread: Has anyone used BOTH the v-force and rad valve?

  1. #1
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    Has anyone used BOTH the v-force and rad valve?

    In the same bike? I'd like some real, informed feedback on these things. Planning to get one or the other.

    I asked the guy at Trinity about the v-force and the difference in power delivery versus the rad valve. His comment was the v-force hits a little lower in the powerband. About the same on the top end. He also said make sure to order it with the #7 material reeds (stronger). With the stronger reeds it runs about $148 so price is about the same I think.

  2. #2
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    I'll add to that and say I talked to the guys at ESR and they said the exact same thing.
    2007 YAMAHA YTZ450 went to a great home RIP Sam


  3. #3
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    Well at least we know they probably aren't just making that up then. Thanks for the verification.

  4. #4
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    Gonna order the V-force tomorrow unless someone convinces me otherwise.

  5. #5
    Quickonstep is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    buy the rad valve just because i said so SIR! hahahahahahahahahah

    WHAT ARE YOU DOING?!
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    WHAT FIRE?
    its already out dumba$$ HAHAHAHAHAHAHAHAH

    Jesse

  6. #6
    3leggeddog's Avatar
    3leggeddog is offline The sun shines on a dogs ass every now and then Got the holeshot
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    just picked up my v-force set up today and will be installing it this afternoon,i'll post up power differences as soon as i ride.our shop said that by far the v-force is a better set up,so we'll see.sure does look cool,can't wait no longer,i'm headin to the garage!!!!
    Full Walsh CRF 450 hybrid 250r

  7. #7
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    I am very anxious to hear a full report. I am going to similar setup. I would have sooner, but I keep getting distracted.....
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  8. #8
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    Quote Originally Posted by threeleggeddog
    just picked up my v-force set up today and will be installing it this afternoon,i'll post up power differences as soon as i ride.our shop said that by far the v-force is a better set up,so we'll see.sure does look cool,can't wait no longer,i'm headin to the garage!!!!
    I'll hold off on ordering until we get your full report. Hurry!

  9. #9
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    I tried both in my Old 85 R, and didnt like either. Between the 2, I left the Rad Valves in longer (maybe a whole day) I used the V Force 2, so I cant say for the new V Force 3's. The V Force didnt stay in my machine barley a day. I ended up going back with plain old Boysen carbon fibers, because they worked best for my setup.

  10. #10
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    Quote Originally Posted by threeleggeddog
    i'm headin to the garage!!!!
    So how'd it go?

  11. #11
    3leggeddog's Avatar
    3leggeddog is offline The sun shines on a dogs ass every now and then Got the holeshot
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    get this $h!#,got the v-force in no problems there.got the bike started up,and warmed up,pull in the clutch and the cable broke,ripped right off were it goes into the lever.looks like it will be tomorrow before i can go steal a cable off the parts bike,let you know then,sry
    Full Walsh CRF 450 hybrid 250r

  12. #12
    atczack's Avatar
    atczack is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    I used to have a '87 TRX 250 fourtrax back in the day and I got the Rad Valve and there was a very noticable increase in the bottom end. I kept it in there ever time I changed reed's. I wish I still had that quad.
    1985 Honda ATC 250 Big Red
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  13. #13
    3leggeddog's Avatar
    3leggeddog is offline The sun shines on a dogs ass every now and then Got the holeshot
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    well i didn't get the clutch cable fixed yet,but still took the bike for a ride around my yard,the v-force seemed to make the throttle response more crisp,and snappy.i only ran it through 2 gears but i am convinced it made a diffrence.the bike come onto the pipe early and pulled hard till i shifted,almost ended up in the neighbors living room,BUY IT DUDE!!!!!
    Full Walsh CRF 450 hybrid 250r

  14. #14
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    I put in a v-force II last year & it made the mid range come on more & a tad more throttle response. That over the stock with boysen 2 stage ones. I was told by a CR rider that you should move the adjustment on the v-force, losens the reeds, for optimal top end & I might try that later on. I'm happy with my bid sniped v-force IIs for $79!

  15. #15
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    Losening the reeds on the V-Force makes for more a lowend boost and wears out reed petals faster. I have a V-Force II in my T3, I'll compare it to stock when I get my jetting right.
    My Feedback 85 TECATE 500 08 Honda 450R

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