600 twin clutching- anyone try either thundershift or heelclickers?

94vmax6

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Joined
Feb 8, 2014
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28
Location
ny
anyone try either or best sticking to one from one of the yamaha performance vendors?
 

I was going to try any available option, then I realized my primary needed a full rebuild after 8500 miles. I reused the stock weights, but put a new spring in, with new bushings, pins, rollers etc, and it's like a clutch kit right there. Very snappy, and I'm happy.
 


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