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  #1  
Old 03-23-2006, 11:04 PM
Weekend Warrior
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Default brute force clutch spring suggestions

what spring or springs should i use with a vdi cdi and 26" mudlite tires my buddies prairie 700 beat me he also has a vdi cdi.
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  #2  
Old 03-24-2006, 09:53 AM
Pro Rider
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Default brute force clutch spring suggestions

If you are drag racing and want that type of performance from your spring I would have to say epi red. I drag alot and have had good luck with it. I also trail ride and haven't had any trouble with the stall but then again I don't do extreme terrain. And I try not to get myself in really bad positions where the clutch stall could hurt you.
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  #3  
Old 03-24-2006, 06:29 PM
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Default brute force clutch spring suggestions

Fast, can you tell me what the spring ratings are on that EPI red? Anyone know what they are stock? Primary and secondary??
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  #4  
Old 03-24-2006, 06:34 PM
Range Rover
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Default brute force clutch spring suggestions

Check out this site. It will give you information on a bunch of different primaries. I have had success with the EPI maroon, but i might try the Dalton Orange/blue pring sometime in the near future.

http://www.700v.com/springchart.htm
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  #5  
Old 03-26-2006, 11:25 PM
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Default brute force clutch spring suggestions

do the fly weights make a big difference?
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  #6  
Old 03-27-2006, 12:12 PM
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Default brute force clutch spring suggestions

You just have to experiment with springs to see how they do for your machine. Sometimes it improves the performance, sometimes it isn't worth changing them out. However, you most likely won't lose performance by changing the weights. The springs are the most cost effective clutch upgrade. That is why a lot of guys have gone with changing just the springs out.
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  #7  
Old 03-27-2006, 04:18 PM
Pro Rider
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Default brute force clutch spring suggestions

EPI red on a BF750 is not the best choice for a drag I dont think. I blew my belt and just put a red on to keep the belt grabbing tight. It definitely grabs tight now, but it also tops out at 50mph. I just ordered up an EPI black to try and bring the speed up. Good luck.
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  #8  
Old 03-27-2006, 04:27 PM
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Default brute force clutch spring suggestions

You mentioned belt grip from a red spring which leads me to believe you are using a red secondary. The EPI red primary is a high stall spring for drag racers. Try the pink or maroon primary to get your speed back up. Also, dyno tests have proven that the stock secondary is almost exactly the same as the EPI black secondary.
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  #9  
Old 03-27-2006, 06:48 PM
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Default brute force clutch spring suggestions

My bad, didnt read enough. I do have the pink primary in as well, no change. I have the black ordered.
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  #10  
Old 03-27-2006, 10:39 PM
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Default brute force clutch spring suggestions

No matter what primary spring you've got if your only hitting 50 on a 750 brute then your either running semi truck wheels and tires or you've got something else bad wrong.
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Old 03-27-2006, 10:39 PM
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Tags
750, blue, brute, clutch, clutching, epi, force, forceatv, pink, primary, red, secondary, spring, springs, tool



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