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mine has the big square jet power exhaust setup, and the top line from the elbow is to the pisser and the lower line goes to the head.

well, mine is an 89. but the exhaust is what you are talking about I bet. anyways, in the pic, at the rear of the headpipe you can see the grey line- that goes to the pisser on the left of my ski. if you dont have the pisser I dont know if youd drill a hole and pop one in, or just plug this...

well, I just got my 550 running today, and I have the stock starter but it stays engaged well past the point required to start the thing. I would bet if the engine is firing/turning over fast enough to freewheel the starter instead of having the starter turning the engine, and it still isnt...

alright, I took the plugs out and just cranked it for a while. with the plugs in when it would finally sputter I noticed water coming out of the exhaust, and when I pulled the plugs they were kinda looking like that creamy brown from mixing water and oil. so there must have been some water in...

alright well I took the starter apart, cleaned the ends of the brushes (one looks worn kinda funny so I wanted to get it out and reshape it a little, but my damn impact screwdrivers tip just broke trying o get the endbell off, so I just reached in with a rag and some solvent.) and sanded the...

as I was typing I even told myself I had to throw that info in there. its a 89 js550. carb is 44mm so I assume its a Bn44. about changing the jetting, I pulled all the fuel screws to replace the o-rings and I didnt count the turns figuring I would use the initial settings to get it running. the...

ok, I made my own pressure tester and will go to home depot tomorrow to get what I need to make it work to test pop of pressure, or make a complete new tester. I am still confused as to what port from the carb I pressurize? and I need to plug the remaining ports? from reading though it sounds...

ok, my brother in law got this thing years ago on ebay and picked it up in phoenix on the way to mexico. it then was never ran(or started so who knows if it ran). it sat there for years and then maybe 3 years ago I brought it back to my house with the intent to get it running, and I looked it...