I have a set of 200's on my boat, one of the motors is running like it is in shut down. The other engine will help it along to reach over 4000 rpm. at higher speeds it is shaking a little bit.it will not plane the boat by itself, not even close. It also farts a bit at idle and has the tendency to stall when idling. then sometimes it will not start after it has run and it stalls. I have drained the fuel thinking water may have got in, but the other engine is fine. Any suggestions???
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2000 200 hpdi with no balls
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Start with a compression test. Check low med and high fuel pressure. The high fuel pressure can only be checked with the diagnostic computer system at your dealer.
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What color is the primary fuel filter under the hood of that motor? Should be yellow, if it is brown it's old and dirty and needs to be replaced. Fuel starvation will cause what you describe. Plug it into a Yamaha Diagnostic System and see what it says.
-Mike
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