View Full Version : Yamaha 25 hp outboard engine
09-27-2006, 06:09 PM
Could you please let me know the average fuel consumption for this marine engine
09-27-2006, 07:56 PM
"Someone may have a more accurate method but I always go with the rule of thumb that says to move the decimal place on the HP one position to the left and that is how many gallons of gas it should take for 1 hours worth of use.
So a 25Hp should use 2.5gallon per hour. Obviously this will vary depending on the design of your boat and the load and whether you are running WOT or 3/4 throttle etc., but it should be close."
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