Need more top end!

5000 Views 12 Replies 8 Participants Last post by Rogue1970, Oct 8, 2007

grimreaper

Discussion Starter · Oct 6, 2007

Well I was drag racing yesterday and I used to beat my friend's YFZ450 before his cam mod. He has full exhaust and k & N. Now with his cam mod I still take him but untill 5th gear when he very slowly starts creeping on me. I was thinking of swaping my 36t for a 34t or would adding a 15t front be a better idea instead. Is a 15ft and 36t combo overkill? Thanks.

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grimreaper

Discussion Starter · #3 · Oct 6, 2007

QUOTE (450Duner @ Oct 6 2007, 12:56 PM) index.php?act=findpost&pid=3602

go with the 15t-36t combo you won't have to take a link out of the chain with that set up and you'll save some cash. running the 15t-36t combo i think gets the same results as running the 34t by its self.

Thanks man, just ordered the 15t here at the dealership where I work. Also ordered the KX450F exhaust cam but don't know if that's even gonna be any help.

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grimreaper

Discussion Starter · #5 · Oct 6, 2007

QUOTE (BLU82 @ Oct 6 2007, 03:30 PM) index.php?act=findpost&pid=3606

I don't mean to sound like a a$$ or anything, but Why does it seem like everyone buys 450s for drag racing? If you want to drag race buy a can-am 800 or raptor 700 or somthing of the sort. 450s are really meant to handle well and accelerate hard for motocross. Don't take this the wrong way though, if you want to drag your 450 go for it.

Don't get me wrong I do lots and lots of trail riding on my 450 during the week but it's just that on Sundays here where I live everyone gets together and drag races and my KFX450 has been doing real good and I want to keep it that way. My intentions weren't to drag race when I bought it but I've been doing it alot lol.

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grimreaper

Discussion Starter · #7 · Oct 6, 2007

QUOTE (Atving4Christ @ Oct 6 2007, 04:07 PM) index.php?act=findpost&pid=3609

Grimreaper, Moto1 on this site is running the kx450 exhaust cam with no problems, pm him for more info.

Larry

Thanks for the heads up man, will do.

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grimreaper

Discussion Starter · #9 · Oct 7, 2007

QUOTE (FUELATV @ Oct 6 2007, 09:08 PM) index.php?act=findpost&pid=3613

Just got back from glamis and DAMN the bike runs hard, but the gearing is way to low with my mods. The bike was WRUNG OUT 5th fast. It will need a 15 front forsure. As far as drag racing goes my KFX did pretty well. I beat 2 raptor 700's both had HMF pipes. Not sure what other mods they had, but i weigh alot more then they did and i beat them by about 2 bike lengths. A few simple mods and the KFX will run hard.

No doubt! I've been beating full bolton Raptors, Banshee's, YFZ450's and even the mighty LTR450! I love my KFX.

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