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Do these bikes make much power at higher revs. than that?
At what point does valve lash become a factor?
By the seat of my pants I would say that my peak power would be between 60 and 95 mph. in top gear. I don't know what that translates to in rpms.




my hp is still climbing when it hits the limiter at 8000 rpm. I don't know what the upper limit is. I suppose there is only one way to know for sure.


05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter