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Old 08 September 2016, 08:37   #1
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Running an outboard dry after use

On the instructions on my Mariner 4 stroke it recommends turning the fuel cock off and allowing the engine to run out of fuel to empty the carb bowl. Would it not be damaging to the fuel pump to be pumping fuel from a closed off fuel line on a regular basis?
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Old 08 September 2016, 08:58   #2
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On the instructions on my Mariner 4 stroke it recommends turning the fuel cock off and allowing the engine to run out of fuel to empty the carb bowl. Would it not be damaging to the fuel pump to be pumping fuel from a closed off fuel line on a regular basis?
Nope run it dry, I always have and no issues.
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Old 08 September 2016, 09:49   #3
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I always run mine dry
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Old 08 September 2016, 10:24   #4
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Me too - never a problem
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Old 08 September 2016, 11:00   #5
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dry its a diaphragm pump
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Old 08 September 2016, 12:41   #6
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religiously run them dry stale fuel is a pain in the backside I've seen so many engines in with fuel left in them from the previous year fresh fuel and a new plug away they go
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Old 08 September 2016, 13:59   #7
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Never ran any outboard dry unless I was transporting it in the car and never had any issues with old fuel
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Old 08 September 2016, 15:09   #8
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Never ran any outboard dry unless I was transporting it in the car and never had any issues with old fuel
Same as...Had various carbed engines over the years
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Old 08 September 2016, 15:31   #9
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the point here is Mariner themselves say do it so if under warranty you best follow it.

either way, running it dry won't be an issue.
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Old 08 September 2016, 17:51   #10
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Run my Tohatsu 2-stroke dry especially if it's going to be laid up for a couple of weeks. Doesn't do it any harm. If Mariner recommend it - then I'd do it.
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