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Wanted! Riva 760 8 port cylinder if you have one laying around let me know! Any condition is fine. Also interested in other riva parts let me know what u have Cheers

just scored my jetmaniac 735, getting bored and honed to 760 now. I have laying around a ported and epoxied crank case and dual 46mm mikuni carbs and manifold. I'm thinking of putting the jetmaniac ported cylinder with ported crank case and the dual 46's together to chase some more power...

So I got a new impeller finely. I had to bash the old one off the a cold chisel and heat. I spun the new one in but it hits up the top of the jet unit I tryed shimming it at the back of the jet unit. I can get it to spin a bit but it always hits somewhere. Do these things need to wear in? Or is...

I have a js440 it was compleatly stock and slow. I added a aftermarket dayjon exhoust and and air filter to try and get more power. It defiantly feels like it has. But after I fitted it I would get up on the plan and it felt like it was backing off then going again then backing off slightly. To...

I bought a js440 and I keep finding things wrong with it. The latest is the impeller is close and just hitting the top of the jet unit. The bottom of the jet unit and the impeller has about a 3 mill gap. I spun the motor and the gap didn't shift so it's not a bent shaft. What could cause this to...

Hi guys just bought my self my first stand up jetski really cheap. It's in good nic visually and starts first go every time. The problem I'm having is. I took it for its first ride today was going good and the pisser was flowing steady not crazy pressure but seemed fine. After a bit of a ride it...