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I've got a 1990 Yamaha 40sd-jd I'm losing spark to my number 2 cylinder intermittently carbs are good fees rebuild checked fuel pump with vacuum gauge all good checking spark with a spark tester it comes and goes no rhyme or reason it will always be ok on initial start up then next time it will...

Took my jet apart to clean and inspect the impeller and sleeve and noticed the po sharpened the top and bottom of the the impeller which from reading is no good. So my question is can file the impeler down on the face of the leading edge flat and then sharpen correctly or do I need to get a new...

Just got this boat had it out a few times at first the foot was about an inch below the tunnel extension and got a lot of spray and drag so I raised it up even with extension and got some heavy cavitation and still spray up into the boat so now I moved down just below the extension and tucked it...

I'm converting my 1990 Yamaha 40/28 over to remote steering I have the steering and throttle cables but my question is what do I need to replace the cable that operates the forward/reverse gate looks like I'll have to get bracket that attaches to throttle cable so it works off throttle control...

Just picked up a 1448 G3 with a 40/28 outboard jet and want to install a bilge pump already have a 1250 gph pump. Question is how do you guys mount them I was thinking some 5200 silicone or an epoxy to hold it down or will the piping hold it since i will be hard piping it out the side. One other...

Have a question on what size shaft just want to make sure I got this right before I get a new motor. Measured from top of transom straight down to the top of a level laid flat on bottom of boat 15 inches was the measurement. So if I'm correct I want to get a motor with a 15 inch shaft or should...