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    Merc runs on one tank and starves out at idle on the other tank

    Well, I bypassed the two tank valve and it idled for 20 minutes. So I think that is the problem. I am going to replace the valve and all my fuel lines just to be safe. I will report back after all that.
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    Merc runs on one tank and starves out at idle on the other tank

    Is it possible that the anti-siphon valve is not opening at low RPMs and that is causing the fuel starvation at idle??
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    Merc runs on one tank and starves out at idle on the other tank

    I tightened all the hose clamps (2 on each connection) from the two tank fuel valve to the tank. Tried again and same issue. I may have to bypass the valve to eliminate that. Then a new length of hose.
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    Merc runs on one tank and starves out at idle on the other tank

    The fuel in that tank is brand new non alcohol midgrade. And it runs fine at 4000 RPM.
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    Merc runs on one tank and starves out at idle on the other tank

    I was thinking about it maybe having an issue with the vent so I ran it with the fuel cap off and it had the same issue. I have tightened all the hose clamps but have not tested since. I dont think it can be anything from the switch to the motor or it would have the same issues on both tanks...
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    Merc runs on one tank and starves out at idle on the other tank

    I have a 2000 200 HP merc efi and my boat has 2 internal tanks. I call them the front and rear tanks. I have developed an issue with the front tank. When running on the rear tank all is well. It will continue to run at any RPM for as long as there is gas. On the front tank it will starve of...
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    2000 merc 200 efi warning horn beeps when hitting a wave

    Just this year I have had a problem with my warning horn(the one attached to the ignition switch) beeping when I hit a wave hard. Does not do it on flat water. Did not do it at the end of last year. Any thoughts would be deeply appreciated. The beep is just a quick beep when you hit a wave...
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    Propeller with only TS 1070 19 stamping on it

    I have a 3 blade stainless propeller on my merc 200efi and the only thing stamped on it is TS 1070 19. I know it is a 19P prop but I cannot for the life of me remember what manufacture or model it is. Anybody got a thought on this? Thanks
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    2000 15 hp 4 stroke takes forever to warm up so it can idle

    I have a 15 hp 4 stroke (Year 2000) that sometimes takes as long as 15 minutes to warm up so it will idle. Is there a thermostat on these things? What might be wrong? Thanks Bruce
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    2000 200 efi smoking bad and running rough

    I have a 2000 200 EFI that starts great but runs rough through all rpm ranges and smokes something fierce at all rpm ranges. Plugs have less than 200(a guess) hours on them and look o.k. After running the engine the plugs are not fouled but are a bit oily. Smoke does not go away after...
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    propeller rental

    Is there anyplace on the web where a person can rent a prop so it does not cost so much to try several? There used to be a site called propswap but I cannot find that any more. Thanks Bruce
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    boat is porposing

    I have a 20 ft center console with a merc 200 efi pushing it around. I also have a 15 hp 4 stroke on the transome and that makes her a little fat in the ***. At over 3/4 throttle all she wants to do is porpoise untill I lower the trim tabs quite a bit. That holds her flat through WOT but at a...
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    15 hp 4 stroke water in engine oil

    I have a year 2000 15 hp 4 stroke that overheated due to a broken impeller some years ago. I have since had a problem with what I think is water in the engine oil. After running it for 2 hours trolling the engine oil developes a butterscotchy yellow color. I don't use it a lot or I would have...
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