1994 Merc 200 xri dies when given throttle

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ajc549ff

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Jun 6, 2015
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Hey all,

I have a 1994 Mercury 200xri on my Nitro bass boat. Last weekend during a tournament began to run outta gas while heading to weigh in. Boat would die I would start ot back up, floor it and get onto plane for 15-30 seconds then the speed would gradually vome down and not move. So long story short I had to do that like 8 times to get back with 2 minutes to spare:) Got it on the trailer just fine then went straight to the gas station and put 4.5 gallons. Took it out yesterday and it started just fine, idles just fine, gets into gear just fine at a low no wake speed then when you give it gas to get going the engine just bogs down and sounds like crap not moving us anywhere.

Stopped by a local Merc mechanic and he told me sounded like a fuel issue and to replace the fuel line with the pump ball and the fuel/water seperator. So today I did and just pumped up the ball until it was hard, cranked it over just see it would start before driving to the lake.

After launching it, the engine started just fine, idled just fine. Died once at idle speed but started right back up. Continued to the end no wake and had the same exact thinh happened! Only had it running for 10 minutes. So briught it back home hooked up the muffs and ran it for 25 minutes at idle just fine.

Ideas?
 

Dukedog

Captain
Joined
Oct 6, 2009
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3,496
sounds like mechanical fuel pump has gone south with first computer guess.......
 

Dukedog

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Oct 6, 2009
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3,496
there are a coupla other filters... screen in tha round thing above tha pump and a tiny cone shaped filter in tha "U' shaped hose close to tha pump....
 

ajc549ff

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Jun 6, 2015
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New fuel line, rebuilt fuel pump, took it to mechanic they said i had bent prop shaft and they wouldnt do a water test until that was fixed. Found out i have a bent prop shaft and drive shaft. Insurance would only cover 10% due to depreciation. So i replaced lower unit myself. Took it out to the lake today same thing! I have a fishing trip planned for friday too :(
 

Masonmoore

Seaman Apprentice
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Jul 30, 2015
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37
Have you taken the carbs apart and had a look at them? You have a fuel problem for sure, and that would be the next place to look.
 

Pressleplbg

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Mar 17, 2019
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Cadet, I have 94 200 xri doing the same thing, I’ve changed all the fuel lines, bulb, stator. Compression is perfect. It is the same symptoms as yours. Starts and idles every time but when you start giving a little throddle, it dies. Did you ever figure yours out? I know it been a few years.
 

GA_Boater

Honorary Moderator Emeritus
Joined
May 24, 2011
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Cadet, I have 94 200 xri doing the same thing, I’ve changed all the fuel lines, bulb, stator. Compression is perfect. It is the same symptoms as yours. Starts and idles every time but when you start giving a little throddle, it dies. Did you ever figure yours out? I know it been a few years.

ajc last visited in September 2015 after making these few posts, so it has been a few years. And he left before letting us know how it turned out.

You are better off starting a new thread with your questions so current visiting members can take a shot at helping you fix your XRI.

Closed.
 
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