KFX 450 Front & Rear Sprockets combination - Kawasaki KFX450 Forum - KFX450Central
 
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post #1 of 5 (permalink) Old 01-14-2008, 05:54 PM Thread Starter
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Hi Guys:

I do a lot of trails, hill climbings etc, etc... but I want to replace the existing sprocket combination 14-38, to make shifts shorter and rev up faster for hill climbings Actually I have a 15T front sprocket (not installed yet) but I need to get rear, 36 or 37t, Can anyone help with this desicion.

Thanks
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post #2 of 5 (permalink) Old 01-14-2008, 06:36 PM
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I have the 34t rear and it works great for me with the stock front. I know others have used 15t front and 36 rear. You will have to do some searching to see their posts. I dont remember what their results were.


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post #3 of 5 (permalink) Old 01-14-2008, 06:44 PM Thread Starter
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I heard it too, I just want to validate it.
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post #4 of 5 (permalink) Old 01-14-2008, 07:43 PM
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Now I'm just making sure. You said you want shorter shifts and want to rev up faster, wouldn't you need to increase the gear ratio? Not decrease it? Going from a stock 2.71 (14/38) ratio to a 2.92 (13/38) would give you shorter shifts and rev like crazy..

Larry

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post #5 of 5 (permalink) Old 01-14-2008, 11:13 PM
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QUOTE (jorge64 @ Jan 14 2008, 02:55 PM)
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Hi Guys:

I do a lot of trails, hill climbings etc, etc... but I want to replace the existing sprocket combination 14-38, to make shifts shorter and rev up faster for hill climbings Actually I have a 15T front sprocket (not installed yet) but I need to get rear, 36 or 37t, Can anyone help with this desicion.

Thanks

This is the gears I have been running on my kfx 14 tooth and 37 tooth it works great for all around riding
I ride in oregon most of the time at Windchester bay dunes, I have a web cam dasa exhaust and a custom intake and a 44mm throttle body and it rips on the best of the quads. I have found the 14-36 is too tall for the hill climbs. for a mild stock engine.

2008 KFX450R
478cc=62.3HP
PORTED HEAD (LEDEngines)
Big Bore 12.8.1 C/P Piston
DASA EXHAUST
Kibble White Valve springs
WEB CAMS 242/216
Direct Drive Lockout Clutch
PC3 PROGRAMER
44MM BORED THROTTLE BODY
CUSTOM INTAKE TUBE
AC RACING NERF BARS AND GRAB BAR
POWER MADD HAND GAURDS
TRAIL TECH BAR CLAMP WITH VAPOR COMPUTER
Custom oil cooler
Monster Enegry Graphics
Skat trak 9 paddle Extreme Hualer 21x12x8
Custom Swing Arm +3"
IMS FUEL TANK


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