Wouldn't it be nice to be able to order the CP cylinders with any port timings u want? When I say this I mean even lower than a serval for mx/trail riding (not saying serval isn't good for mx/trail so please no flaming)
I agree with whitbread. On a single the needle used is crucial!! Wrong needle and it will never run worth a shit. I'm at 600ft. 33mm pwk. EEK needle, middle clip 165 main, 48 pilot.