Another handy tuning tool is the pressure spring. I mounted a set of WR450 forks on my 250 and was extremely happy after dropping the pressure spring rate and ditching the 0.47 mainsprings for 0.42s.
The SmartPerformance valving is very good - have not used his fluids.
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Steven Beane #275
PlusOnePerformance - Superior Service the World Over - Dearborn MI
AMA District 14 (Michigan) Officer
afterhourscycle.com
Michigan's Beta and TM Race Headquarters
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