Paul wrote:
A good rule of thumb is 10% of HP at full throttle for a carburated two
stroke outboards.

Paul

I'm not sure I understand what you wrote. Does that mean my 2-stroke 250
outboard should be burning 25 gallons per hour at full throttle. That
doesn't sound right. Can you restate your formula in English?

--
Stan

RB wrote:
What approximate fuel consumption gph should I be experiencing with my '77
115hp on an 18' c/c running around on the bay, a fair amount of wide open
throttle?