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FJR Motorcycle Forums
FJR Specific Discussion
Yamaha Announces 2011 FJR
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<blockquote data-quote="MCRIDER007" data-source="post: 784703" data-attributes="member: 329"><p>I would not change the C14's final drive, I would add teeth to 6th gear so the overall gear ratio for 6th gear would be around 3.7-3.8 instead of 3.4. Currently there is a 20 percent gearing change between 5th and 6th and that is too big of gap, especially since there doesn't seem to be any real benefit from such tall gearing. I have read comments that extra tall gearing results in the engine running well below its max fuel efficiency level but have never seen any hard data where the max efficiency level is.... but the BMWs seem to get very good fuel mileage even though they are turning a lot of rpms at highway speeds.</p></blockquote><p></p>
[QUOTE="MCRIDER007, post: 784703, member: 329"] I would not change the C14's final drive, I would add teeth to 6th gear so the overall gear ratio for 6th gear would be around 3.7-3.8 instead of 3.4. Currently there is a 20 percent gearing change between 5th and 6th and that is too big of gap, especially since there doesn't seem to be any real benefit from such tall gearing. I have read comments that extra tall gearing results in the engine running well below its max fuel efficiency level but have never seen any hard data where the max efficiency level is.... but the BMWs seem to get very good fuel mileage even though they are turning a lot of rpms at highway speeds. [/QUOTE]
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FJR Motorcycle Forums
FJR Specific Discussion
Yamaha Announces 2011 FJR
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