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Discussion Starter · #1 ·
did anyone using the 15t front sprocket have any problems getting the case saver to fit, it seems i may have to grind some of it down to make it fit. if anyone has any solutions please let me know.
 

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thats odd, mine fit just fine too
 

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Mine was too close for me to feel comfortable. It did fit, but barely. I was worried that if it caught on the chain it would be more trouble than grindin it down a little. I ground mine back about a medium sharpy pen width. I drew a line with the pen on both sides to make sure it was even.

-Rob
 

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Discussion Starter · #5 ·
i got the kx450 dirtbike sprocket from rockymountain, it just seems like the fit will be way too close. what did you use to grind it down?
 

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QUOTE (wescaster @ Oct 10 2007, 05:42 PM) index.php?act=findpost&pid=3697
i got the kx450 dirtbike sprocket from rockymountain, it just seems like the fit will be way too close. what did you use to grind it down?
thats the one i have and it fits fine on mine. its been on there for over two months with no issues
 

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QUOTE (KFXrider1228 @ Oct 10 2007, 02:46 PM) index.php?act=findpost&pid=3699
thats the one i have and it fits fine on mine. its been on there for over two months with no issues

I just used a bench grinder to trim it up. You could use what ever you have, bench grinder/angle grinder with a vise. Just go slow and will look nice.
 
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There has been alot of talk about the gearing not being right on the kfx450. The latest dirtwheels said they solved it by going down a tooth to a 37 on the rear but I've always heard that 1 tooth on the front is about 3 on the rear. How does the front 15t affect the gearing? I race XC and while I don't get into many 5th gear situations, I don't want to lose the race because of something as simple as a sprocket change.
 

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I just added a 15 tooth renthal front. It fit good and did not rub, but i do have a pro design case saver installed. I will be running it this weekend. i will let you know how it does for me. Yes 3 in the back does about equal 1 in the front. Going to a 15 or going down on the rear sprocket will add top speed and also make each gear alittle longer too.
 

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The 15 was great ........ i was only looking for 6th a couple times in the big bowls. I will be going to a 15/36. I think that the 15/36 combo will be perfect for me.
 

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QUOTE (FUELATV @ Oct 23 2007, 03:45 AM) index.php?act=findpost&pid=3930
The 15 was great ........ i was only looking for 6th a couple times in the big bowls. I will be going to a 15/36. I think that the 15/36 combo will be perfect for me.
Good deal, I'll be doing the same.
 

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QUOTE (FUELATV @ Oct 19 2007, 10:08 AM) index.php?act=findpost&pid=3866
I just added a 15 tooth renthal front. It fit good and did not rub, but i do have a pro design case saver installed. I will be running it this weekend. i will let you know how it does for me. Yes 3 in the back does about equal 1 in the front. Going to a 15 or going down on the rear sprocket will add top speed and also make each gear alittle longer too.
Seems to me that it would just make first gear a little longer wouldn't it? All the rest would just be faster.
 

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Every gear will be longer by going up on the front or down on the rear. The 15/38 worked great with my current mods. The bike flies now no question, but i will have cams and a ported head. The bike will be PERFECT for me with the 15/36.

FUELATV
 
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