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Author Topic: Gearing Calculator  (Read 513 times)

Offline Dirtzilla

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Gearing Calculator
« on: April 30, 2013, 11:06:58 pm »
Mods, it would be good if we could have a gearing calculator on here like some of the other sites have.
So if your planning to change your  tire size or gearing, you could have a general idea of what to expect.

thanks
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87  LT500R
98  sporstman500

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Offline Nekrofilliak

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Re: gearing calculator
« Reply #1 on: May 01, 2013, 06:47:18 am »
http://www.apexgarage.com/tech/gear_ratios.shtml

gear ratio must be calculated in decimal

gear ratio is calculated for a lt250r 87 first gear  primary reduction 2.681 x first gear ratio 2.384 = 6.392 this is the first gear ratio, you must calculate each gear ratio using the service manual spec.

final drive  is your chain sprocket ratio in decimal ex: 42/13 = 3.23

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88 Lt250r.
79 Lawnboy 21" ;-P
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