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Yes, thank you E350 for your reply and the links. A torn diaphragm is what I was wondering on too after looking at a video about rebuilding with the carb kit, and seeing the diaphragm is seated right there. I live in Canada so the jetski is covered on a trailer outside through every winter...

Hello, I have a 96 superjet with a mikuna SBN carburetor. It has been running awful. I changed the plugs and fresh gas and made sure the gas is flowing ok. I cannot seem to get a low idle setting that is ok, and which then will be ok giving throttle and getting off throttle. If i try to...

Hi - My question regards what are likely ways water is getting into the back chamber under the deck. Some info as context for my question: Please see the attached picture of the back of my superjet (sj700 roundnose circa 1994-1996). I got it a few years back. I believe all the foam was...

Thank you for telling me about this Did you get the extended plate with the concave part? Which model intake did you use? Sent from my SM-T813 using Tapatalk

I tried to pm you but didnt seem to be allowed to start convo. Maybe pm me and i can reply with pics of what i have? Sent from my SM-T813 using Tapatalk

rushford_ripper - no, i do not mean cavitation. In fact pump and impeller etc. seem to be working great. I mean a porpoising action whereby the ski, particularly the front part first moves lower in the water then moves or pops back up. The down / up motions occur with quite rapid frequency...

The following text belongs with the pics above: I have a 1996 SJ700. This was my first stand up jet ski and I have had it for a few years - i traded a motorcycle for it. It had been modified for freestyle. I can get up and ride it around but i find that i can never go very fast as it seems...