After a weekend trip to Drummond Island I noticed both clutch faces were covered with rubber. I’m running stage 3 tune and with stock tires I had the clutch tuned perfect. Currently running EVO high engagement primary spring and OSP secondary spring with adjustable bikeman weights. Started with the weights before any spring was avaliable, then the EVO, and finally the OSP. Also running shims. I threw on a set of 31s before the trip with no test and tune. I guess my first step would be going with a stiffer secondary spring. What say the clutch tuners?
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