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Carb Spring


I have heard of that before too...I would order a new spring before I did it...I went back to the stock spring after I tried a kit with a softer spring and it dint work to good for me...but it might have been to much.
 
I TIED MY SPRING WITH THREAD TO SEE WHAT IT WOULD DO, TIED UP ENOUGH SO IT WAS A INCH SHORTER THAN STOCK . SEEMS A BIT QUICKER TO REV, HAVE TO RIDE IT THOUGH
 
it will work different with the spring cut.... if you like it, then cut it and I bet you will be surprised.
 
I CUT ABOUT A INCH OUT OF MINE,,,, SEEMS TO REV SOONER. NO SO MUCH HESATATION BUT I ALSO WENT TO A 150 MAIN TOO,.... SEEMS TO RUN A GOOD BIT BETTER
 
i have a 09 big bear 400 with jet kit and k&n air filter but no jet kit spring ok if i cut my spring what main jet do i need to run right now i'm on 110 need input from pros and cons thanks.
 
this mod is a must holy crap killer azz throttle response now i'm always smiling every time i jab the throttle smile so big it reach behind my head this mod is a must.
 


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