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Originally Posted by nutsnbolts
I had already invested in the 16-tooth sprocket, and have yet to throw it on, but I'll be doing that in the spring after the intake work is finished.
As far as any exhaust mod goes, do you guys think that it is necessary with the increase in airflow, and how crazy do I have to get, if at all?
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I have three thoughts:
While I am a strong advocate for the 16T front sprocket, YOU may not be a good candidate for it......because of your comment about loosing speed when climbing hills. Even with carb, intake, exhaust, whatever "performance" mods, the higher gearing will still be a problem under severe load. Since you have the sprocket already, the rest is easy and/or cheap so you might as well give it a try. I spend a LOT more time in 4th with it.
The main reason the little beasty doesn't run up to it's max. potential is that it is set on the LEAN side. You should do the carb. mods FIRST with the stock air filter (which will help tilt it over toward rich) BEFORE you tinker with changing anything else. Then try a less restrictive input. It may not help with the performance but it DOES make extra noise for the rider......which is barely noticeable for anybody else. The paper filter element DOES do a better job filtering than other types of filter media.......despite hype to the contrary.
Consider exhaust changes carefully. If you modify the stock exhaust instead of replacing it, going back can be VERY costly (ie. getting a new set of standard pipes).
Have you read the few posts burried on here somewhere from one or two owners who said after it is all said and done that the tiny performance gained was not worth all the trouble......for them, at least?