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2011 ninja 250 upgrades

4954 Views 4 Replies 3 Participants Last post by  Easy Rider
I just got a 2011 ninja 250r to ride but the gas millage is not the best. Im getting 40 miles to the gallon. I have to ride 15 miles at 70mph and im wanting to get better gas millage. I re geared the front sprocket to a 15 tooth but what else can I do??
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im 6'2" 205 but the rpm run kinda high. I have done maintence on it so Idk where to go. I though about putting a 42 tooth back sprocket and new twin brothers exust system and new air filters.
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