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Hello all, I have a 550/ 750 conversion in an SX. Was curious what the best waterbox would be to run for performance? All stock ski.Thanks!

I do plan on putting a 750 pump in it soon I just wanted to see what difference the exhaust would make

550sx pump w/ 18.5 solas impeller

Hello all. Recently bought a 750/550 conversion all stock with stock 650 pipe and stock waterbox. Doesn’t have the power I would imagine it would have and am thinking it’s the restrictiveness from the exhaust system. What exhaust system would you recommend I run? And for the waterbox I just...

Holy sh*t u got to be kidding me. Why thank you

Howdy, I have a 99 superjet 701 that Was completely stock with dual carbs and a type 4 dry pipe compression read 145~150. I added a Blowsion head with 37cc domes(calls for 165~ Psi) TDR waterbox, 9/15 hooker. My compression reads exactly 130 PSI on each cylinder and I can’t figure out why it’s...

Awesome thank you. What pop off pressure should I be looking for with my setup? And can I buy a pop off reader at your local autozone?

Not Very good with carbs but I can tell you this. I just rebuilt my 701 and rebuilt the carbs and the tuning has been the biggest pain in my ass, still haven’t finished it. Plus a lot of times carbs have issues so half the carbs half the problems. I’m sure dual carbs have some sort of mechanical...

Ok thankyou! Does low pop off sound like the problem and what is the stock Mikuni needle size?

Hello all, I just recently went through my stock 1999 701 RN and added a few modifications. Those being hooker 9/15 impeller, TDR waterbox, Blowsion 1 piece head with 37cc domes, Speedwerx Dry pipe (until I can get my hands on a Bpipe). I also rebuilt the dual 38s and added 135 main jets and 95...