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what prop are you guys running with the 550 pump and the 750 motor We put a 650 yamaha in my 550 and cant get it to hook up and gets no holeshot wanting something more like a freestyle prop or one that will accully make the ski go faster and have not as much cavaitaion Thanks

i have some kind of 4 blade skat trak impellor in my ski i am wondering what pitch it might be or if anybody else is running a prop with 4 blades im putting a 650 yamaha in my ski and wondering if it will hook up

Has anyone ever heard of of Team Savage Racing? I just bought one of there old 300 Kawi Skis and was curious of who they were.

I seen in one of the posts that somebody had built a stroker 300 and was wondering where to get the stuff to do it and if it just had a longer rod and some kind of stroker crank or what? Thanks

how do i make a stock js550 pipe a dry pipe do i just pull the fittings and put plugs in them or what do i do.Also does anybody have an ignition box for a js550 or know if i can wire a yamaha 650 ignition to it.Thanks

I have been building a golf cart for awhile now and i have put airbag suspension on it and 13" wheels so it lays frame but am trying to find a motor. I have located a js550 motor but am wondering how to cool it weather a radiator and electric water pump or what? I have a elactric water pump and...