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Old 03-26-2006   #1 (permalink)
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SuperStock
 
Join Date: Mar 2006
Location: Villa Ridge, Missouri
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Factory front for '05 Speedmaster is 16 teeth, right? Anyone running an 18-tooth front on their bike?

95% of time this bike will be running the two-lane roads at speeds between 50-65 mph.

- or is that 18-tooth front just for those wanting to run the interstate highways?

Thanks




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Old 03-26-2006   #2 (permalink)
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The 18t on my America was one of the most enjoyable mods I've made. Can't imagine going back the the 17t or living with the 16t on a Speedy. I ride two-up a good bit, no problems, only a much more relaxed riding pace.
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Old 03-26-2006   #3 (permalink)
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Al.....the 16 on a speedy isn't as low as you'd think because the speedy's gearbox ratios are different i believe. As to kballowe putting an 18 on his speedy, i wouldn't do it if you're running at 55-65 95% of the time. I find it just fine even at 85. These engines are made to run at high RPM, and at 55-65 in 5th you're about as low an RPM as you'd wanna be while still having some gunt when you twist it. these engines have a strage feel to them that makes them seem like they're working harder than they are at a given RPM. It's strange, but i can be putting along in 5th at 50 and feel like it's working pretty good, then get on the freewat and run it up to 75 and after a few minutes it actually seems like it's working no more or even less than it was at 50 in the same gear ! it's bizzare. But i'd say at the speeds your ride at most of the time i'd leave it at 16 because you'll be sacrificing accelleration just to get a lower RPM at cruising speeds that you say you only ride at 5% of the time. And if for some reason you DO decide to up the sprocket, i'd suggest going up only one tooth instead of 2. 2 is for those who spend the majority of thier time at high spped on freeways. Just my opinion...
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Old 03-26-2006   #4 (permalink)
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Put an 18 tooth on my America & promptly gave the 17 tooth away because there is "no way" I would ever put it back on. Love it. I ride alot of 2 up in SW Pennsylvania.

Jerry
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Old 03-26-2006   #5 (permalink)
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KB, the sprockets are cheap enough (about $22.00) that you can buy a 17t and 18t sprocket and try them both to see which one you like the best. You may not have enough chain to go to the 18t anyway. I suspect the 17t will give you what you are looking for, but if you can try the 18t without the need to buy a longer chain go and try it, what the heck. Vegas
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