Quote:
Originally Posted by gmq09281
Hello I am wondering what the best sprocket setup would be to get a boost in speed as first gear is really short and my top speed is 55mph. Looking to get top speed around 70-75 so I'm not pushing it riding around town where the speed limits of the major roads I take is 45-50MPH
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I'm assuming a Hawk?
If Yes: The best you will do with no engine mods other than jetting the stock carb properly is about 62-ish MPH, no matter what sprockets you have.
With a full exhaust you then push that limit up to about 65-68mph.
If you want any more than that you will be entering the realm of rapidly diminishing returns looking at big engine upgrades. Ported head and a cam at a minimum. Which will get you to, and a bit past, that 70mph barrier. On flat ground with no wind fighting you. You WILL need at least a 17 front and 45 rear sprocket to even have a chance of turning the RPM needed to hit 75 - which will happen right at 8000rpm.