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Old 17-10-2014, 16:33   #16
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Re: Suzuki Outboard keeps dying, any genuises out there?

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Your oil can reminds me of driving home one night in a F250 truck with a bad fuel pump, my friend was under the hood with a Miller beer bottle full of gasoline dribbling it in the carburetor while I drove. You would be surprised how far you can get on one beer bottle full of gas
I know how far... I was the guy ON the hood!
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Old 17-10-2014, 16:35   #17
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Re: Suzuki Outboard keeps dying, any genuises out there?

Hi if your engine runs at half throttle continuous, and is OK but not at full throttle continuous then you have a fuel blockage, check your tank, hose and pay particular attention to filters, connectors and fittings and clean your tank out. Your fuel pump can't pump with **** partially blocking the flow at full throttle. Adamsteel40, Australia
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Old 17-10-2014, 17:32   #18
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Re: Suzuki Outboard keeps dying, any genuises out there?

Well now it's working and ran well at all throttle ranges for 3 hours. The guy removed the whole external tank linkage which was never used. Went straight from the internal tank to the filter and pump. Now it seems to be working fine. I still don't trust it entirely. The only real issue is that I have two days of beach motoring ahead. 2 canals and a river. But all seems well.


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Old 17-10-2014, 18:56   #19
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Re: Suzuki Outboard keeps dying, any genuises out there?

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Well now it's working and ran well at all throttle ranges for 3 hours. The guy removed the whole external tank linkage which was never used. Went straight from the internal tank to the filter and pump. Now it seems to be working fine. I still don't trust it entirely. The only real issue is that I have two days of beach motoring ahead. 2 canals and a river. But all seems well.


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You're lucky. You found the problem early. Be joyfull. Somewhere in that external tank valve and hose there was a problem, either leak, air leak or grit problem. Good luck.
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Old 17-10-2014, 19:58   #20
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Re: Suzuki Outboard keeps dying, any genuises out there?

I had a similar problem with a diesel engine, which turned out to be the plugged screen on the fuel line in the tank. My chainsaws have filters on the fuel lines in the tanks, which can give a problem like yours. It does seem that the corroded fuel valve is the culprit. Good luck
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Old 18-10-2014, 06:42   #21
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Re: Suzuki Outboard keeps dying, any genuises out there?

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(Not sure if your's has an internal tank. Our 5-hp Johnson is actually pretty much a Suzuki DF5...)


Oops, I mis-remembered. Ours is the DT5Y equivalent, a 2-stroke.

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Old 18-10-2014, 15:30   #22
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Re: Suzuki Outboard keeps dying, any genuises out there?

Had a Suzuki DF15 for 13 years that powered our 29' cat. It lived in a hole, was never flushed and was basically treated quite poorly. The only issue it ever had was that it used to suffer from spark plug issues resulting in total or partial engine stoppages (how can an engine partially stop ? ..... One of the two plugs would fail). So, I'd try new spark plug or two. For interest that engine may still be going strongly as it was sold with the boat 4 years ago and was running and starting flawlessly then.
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Old 23-10-2014, 09:46   #23
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Re: Suzuki Outboard keeps dying, any genuises out there?

Ran it for 2 days straight after this with no problem.

That said I'm thinking about buying a tohatsu


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