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I keep hearing that the timming can be adjusted to make more power on the 300sx but cant find any info on how to do it can someone please point me in the right direction. Ski has a 38 super b & n 650 gasket mod and two stage reeds. I'm trying to get as much free power as i can while I collect...

I would like to start by saying I'm VERY new to the jet ski world so bare with me. So here is what i got a fresh js 550 fully ported polished west coast head 44mm carb west coast pipe water box and some other stuff in a beat to crap bright pink 78 hull and a very clean bone stock 89 300sx. I...