4th gear question.

just bought an 03 KLX 110 yesterday. my question is where is this 4th gear located? is it on the bottom, the top, or somewhere in between? i like the top speed in stock form but want to gear it down for a lil more acceleration. will this 4th gear mod give me more top speed with the change in sprockets?

to install the 4th gear you have to split the crank cases and install a new shift drum.

just change your gearing. and like swrider said you need to split the cases and at the point you might as well change the output shaft, shift star, 2nd gear.

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