What restrictions are there?
Curious what resrtictions are on the 2009 sr50 r factory with purejet motor. My rpm's wont go passed 8,000 and I have a Leo vince exaust and clutck kit.It only goes 40mph on flat ground and 45mph down hill, stock I was told will go 52mph(WTH) you call these performance up grades( NOT ) any help would be appreciated.
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