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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
# of teeth needed to move up 1 gear
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[QUOTE="MX-727, post: 971885, member: 19400"] OK, I checked on Kawasaki's website, the specs are not listed before 96, but here are the 96 KX250 Specs for the transmission: Transmission Clutch Type Wet, Multi-disc, Manual Transmission 5-speed, Constant mesh, Return shift Shift Pattern (Bottom up) 1-N-2-3-4-5 Gear Ratios —1st 2.13 (32/15) —2nd 1.69 (27/16) —3rd 1.39 (25/18) —4th 1.14 (25/22) —5th 1.00 (24/24) Primary Ratio 2.75 (55/20) Final Ratio 3.50 (49/14) Overall Ratio (Top Gear) 9.62 gear ratio*primary ratio*final ratio = overall ratio for each gear. Overall ratios 1st - 20.49 2nd - 16.26 3rd - 13.37 4th - 10.97 5th - 9.62 With that info we can figure out (3.5*20.49/16.26) that we need a final drive ratio of 4.41 to make the move you want. If you do the math (rear sprocket/front sprocket = 4.41) you can plug in the various front spocket sizes to come up with the rear sprocket. Hear are the answers: 14/62 13/57 12/53 Now, you may wonder why I didn't just give you the answers. I hope by explaining it you will understand how to figure it out next time. The only viable option is going to be the 12/53, so you probably should compromise and go with something like a 13/52. You should be able to now figure out what kind of ratio that will give you. Good luck. [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
# of teeth needed to move up 1 gear
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