2003 YZ250, Sprocket Gearing. I don't understand the renthal chart.?

Question:
Stock gearing is 50 teeth in the back, 14 teeth in the front
Which equals to 110 KM/H, This is fact. I tested it.

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I understand making the sprocket in the back smaller gives me more speed and less acceleration, but i don’t understand how it works in the front.

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I want to make my bike faster but do not want to sacrifice to much acceleration.

Is Hyosung related to Kawasaki?


I was thinking 40 teeth in the back but witch one for the front?

Does anyone know of any motorcycle-specific pogies?


Im looking for somebody who geared their bike for speed, and their feedback.

Hearing loss from riding motorcycles?


Thanks
The chart is at
http://www.renthal.com/features/ratio.as...

Answers:

Road racing terms??

the chart you are referring to basically says fitting a larger front sprocket will increase your top speed so will fitting a smaller rear sprocket.The opposite is also true fitting a smaller front sprocket will increase acceleration so will fitting a larger rear.the trick is to find a combination of both to suit your riding style.The front sprocket size is usually governed by the space around it and you might need a longer chain if you increase the rear by more the 2 or 3 teeth. One tooth off the front is equivalent to three off the back,if you take ten off you will almost certainly waste top gear as it will not pull change a little at a time.
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