Hey guys im looking for what cylinder port timings work well with the sip performance 2.0 exhaust for px125 with a 177kit. Currently running a polini 177 with gs piston and racing crank but thinking of going for a parmakit 177 so id like to modify the new kit to suit the exhaust. If anyone could give me ballpark jetting with a phbh28 too that would be a great help.
Thanks in advance.