On Mon, 23 Jun 2008 08:59:00 -0700, "Capt. JG" <jganz@[EMAIL PROTECTED]
>
wrote:
>"Dave" <Dave@[EMAIL PROTECTED]
> wrote in message
>news:k8ev54dsrfkvfu8pnnh57kf26l3s5vj9tp@[EMAIL PROTECTED]
>> My 2 1/2 hp 2 cycle dinghy motor, a Mariner (Mercury under a different
>> name
>> I believe), has begun to exhibit some strange behavior. It starts
>> perfectly
>> fine, generally on the first or second pull, runs normally for about 4
or
>> 5
>> minutes, and then gradually slows and stops. Pull the starter cord, and
it
>> starts right up and repeats the behavior.
>>
>> At first I thought it might be the vent partially plugged, creating a
>> vacuum
>> in the tank as the motor ran, but running the engine with an unscrewed
>> filler cap didn't change the behavior.
>>
>> Any thoughts as to what might be causing the problem? This is the first
>> time
>> I've run it since last season, and at that time it wasn't exhibiting
this
>> behavior. Another point of reference: while I filled the tank with
fresh
>> fuel before starting this year, I hadn't run the engine dry before
storing
>> it for the winter, so some fuel probably remained in the fuel system
over
>> the winter.
>
>
>I had a similar problem with a 4-stroke. The connection between the bulb
and
>the engine had a very small air leak somewhere. The temp fix was to make
>sure the bulb was filled with fuel every few minutes. The engine would
perk
>right up, run fine for five-ten, then start to slow. You might try that.
If
>it's a behavior match, all you have to do is replace the line from the
tank
>and bulb to the engine.
Maybe a clogged filter in the tank?
OzOne of the three twins
I welcome you to Crackerbox Palace.
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