BoatBanter.com - View Single Post - Outboard stalls under load above around 14K RPM???

In article
. com,
says...
Hello,

I bought a used Whaler with a 2004 70 HP Yamaha outboard.

I took it out yesterday and ran it at around 14K RPM out of the local
harbor. I then accelerated up to around 40K RPM and it did fine.

That would be either 1.4 (4.0) K RPM, or 14 (40) C RPM.
Otherwise, you've got a jet engine mounted on that puppy.

So, someone suggested that I check my fuel filter to see if I had water
in it but it doesn't appear that I do.

Could be a fuel problem, but weak pump or clogged filter
rather than water. May also be ignition, possibly something
thermally sensitive.

Grant Schenck

--
Mark

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