Yamaha Raptor Forum - View Single Post - Gearing, speed, and the like
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post #12 of (permalink) Old 11-13-2006, 10:53 PM
ChuckZilla
 
Join Date: Oct 2006
Posts: 14
Re: Gearing, speed, and the like

Hit the rev limiter on a stock 660?? Yeah right!!! Even with the airbox lid off and rejetted ON A DRY LAKE BED my best speed to date has been 69.4 MPH on my Trail Tech computer which is +- 1 MPH of my GPS. Someone do the math and tell us what 9000 RPM would give us in MPH on a 660 with stock rear tires. I would do it myself but I can't find a chart showing the drive ratio of 5th gear. That's not the rev limiter bud, it's water in the fuel, or a dirty air filter, or shorted wire, etc......................
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