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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
KX250 Wide Ratio Option
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[QUOTE="dtsviper, post: 501803, member: 18670"] Well, I have been doing some research on the gearing. Haven't looked at the KDX250 yet. That is a good idea! I have read that the '03 KX250 has the same lower unit, but BuyKawasaki shows new case numbers. Internals look the same, but part numbers are different. For what it is worth, the review I read on the '03 KX250 said gearing was the same as the previous bikes ('01, '00, etc.), but that 4th and 5th had been spaced farther out for a wider ratio tranny. This is where I got the initial idea to do a gear swap. If the KDX-250 were to work, to get six gears would require a LOT of changing - drums, shift star, input shaft, output shaft, etc... FYI: I priced 5th gear for a '03 KX250 and it runs about $65!!!! So, 4 gears to change out 4th and 5th could be an expensive option. I am not sure what the old IMS WR kits cost. Wish I could get a hold of them for some feedback. Their website is currently being destructed (reconstructed). Thanks for all the good information! The shift star fix is on my list of things to do! DTSViper [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
KX250 Wide Ratio Option
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