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Sorry if I didn't clarify before. Both engines are yellow. One SP(single carb oval cooling port no cooling barb on head) and the other is an XP (dual carb stick cooling port with coolant barb on head)

Hi all, I currently have a 1989 SP that burnt up a piston. Rather than ship my cylinders to SBT and risk my money on their "reputation" I have the chance to pick up a complete 1991 yellow XP engine with 150 psi in both cylinders for the same price. My 4 questions are -Can I swap my single carb...

Old ski exhaust cooling question. When the engine is running at any speed is there supposed to be water coming out of the hole in the picture I attached? The reason I ask is my exhaust manifold water exit tube runs out of this hole. Sometimes there's a solid stream when I'm cruising and...

Pictures

Thanks for the help everybody! I pulled the pump off, replaced the two big o ring seals as well as the little oil pipes to each cylinder. Everything is working properly and the oil tank isn't pressurizing anymore. I'm not exactly sure what is was but I would guess the little oil lines. They were...

Does anybody have comments on the pressurized oil tank?

Thanks I'll replace the lines. I don't think it's a check valve because the bubbles come from the pump end and work their way up to the manifold.

Hi all! I'm new here and completely new to PWCs as well. I picked up a running 89 SP and 76 JS440 with trailer for $1k so nothing special but at least I can get my toes wet! The JS440 is almost completely stock with factory faded paint. The 89 SP looks like something out of Waterworld in pretty...

New member and new PWC owner here. The last thing I want to do is post a thread on something that has been covered but I just searched for about an hour on my issues and it doesn't look like it was covered. I have an 89 SP with the Yellow 587 and intact oil injection pump. I really want to keep...