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Oh nice, 91 has rear exhaust. I have a clean 85, Im almost hesitant to swap it actually. Unfortunately I will have the noise coming out a big ole hose on the left haha

I appreciate the input. What year js550 are you building? Do you think the 19 will have enough pop off idle? Did you get an impros? I'm not as concerned about top speed as I enjoy the torque from idle.

I pulled the 650 6m6 from my 92 superjet and am going to put it in my js550. I got the kit from rhaas. What prop do you guys recommend? Stock pipe, stock 650 yamaha engine. I see 19 or 20 straight pitch is common, does it have good bottom end with that? Any body out there run a 650 with a...

I hate to thread jack, and would rather PM someone here, but I am new and it won't let me PM until I post enough. Anyway, I have a stock wetjet kraze setup with the 46 mikuni, WPP intake and Wetjet pipe with tailcone flipped in my budget build 1992 SN. Stock jetting on a wetjet is 117.5p and...

Thanks for the help, I think you were right, I pumped too much grease and it seeped out. Bearings felt good, have ridden it 3 times since then and no more grease on bottom of the hull.

What pipe are you running?

Thanks for your help! Here are a few pics, the seal has some grease seeping out, but looks ok to me.

Hello, I recently did a 61x swap on my 92 square nose. And while I was in there I noticed that the intake had a grease zerk fitting on it. After I did the engine swap I figured I should add some grease since I had never done that, so I gave it a few good pumps and didn't think about it again...