what should the fuel economy be on a 150hp force outboard motor?
most 150hp engines running at full throttle burn apx30-35 gal an hour cut the throttle back to around 3500rpm and it`ll burn apx 15-25 gal an hour.
10 Responses to “what should the fuel economy be on a 150hp force outboard motor?”
depends…v6? v8? or I6? need more detail.
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Depends on what it's pushing. What the wind is like. Do you troll with it? How many passengers. What prop is on it.
Too many variables to answer that question.
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most 150hp engines running at full throttle burn apx30-35 gal an hour cut the throttle back to around 3500rpm and it`ll burn apx 15-25 gal an hour.
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mechanic 24 yrs
the way i see it is if I add up:
truck fuel,boat gas,bait,fishing license,tackle
boat maintenace, beverages and snacks
and it comes to less than 100 times the cost of buying fish at the store, Im doing pretty good.
Be warned though,
if you add the cost of the boat and trailer you will be too depressed to muster the energy to leave the house
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That idiot Me Too hasn't a clue what he's talking about. Some mechanic.
The fuel consumption of an outboard motor depends on many things.
Weight of the boat and it's passengers.
Hull type
Propeller size and pitch
Age of the engine.
Two stroke or four stroke?
Gearing
With a skier or without?
All engines use more fuel when driven flat out.
To put it into perspective try to think about when you are driving a car.
Here are some figures for your perusal taken from Yamaha Motors website.
150-HP outboard motors consume fair but not outrageous amounts of fuel. At full throttle, all burn over 50 l/h, but only the Mercury reached the 60 l/h mark, albeit only just (60.6). However, the gap to the Evinrude (51.8 l/h) was considerable. The Yamaha Z150, the third engine with direct injection, consumed 54.9 l/h, i.e. it was the second least thirsty.
There are 4.54 litres to a UK gallon so the worst one only consumed 13 gallons per hour not what that idiot Me Too has quoted.
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The answer above is good.
This should be your last concern on a motor of this age and reputation.
Just be happy it runs and keep your tank full.
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For all you guys out there, the 150 force is a L5 motor. At WOT it can brun 18-22 gph depending on load.
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Hi, I just purchased a 91 Bayliner with the 150 hp Force L5 Outboard referenced above. On the maiden voyage it proceeded to burn through 32 gallons on a 4 hour trip with 4 adults and a Yellow Lab in the boat. We ran at half throttle all day with occassional bursts up to 3/4 throttle. We never pulled any skiiers either. It ran out of gas, then after a 5 gallon refill and idling for 2 miles back to the closest landing it ran out of gas again. Does this sound like excessive consumption? I thought so! The previous owner said it was running rich, but could it be running that rich????
I own a 19ft cobra with a 1990 force 150. Best running engine I’ve ever owned… And I have owned a johnson 140 and a merc 150. However, the force uses far more fuel then the other 2 mentioned. My average use 2-5 people, crusing, skiing, and wot fun yeilds around 22-25 gallons an hour! It’s a gas guzzler and it’s not running rich as mentioned in a previous post. Don’t believe all the force bad mouthing. Proper matenience = long engine life. My 2 cents.
Rule of thumb for two cycle engines:
7 gal per 100 hp. per hour, so 150 = 10.5 gal.
Running a 150 flat out ain’t wise, but if “flat-out” it’s conceivable
you might burn slightly more….as much as say….11-12 gal.
30 or more…??..guy’s in Palooka-ville, sniffing too much gasoline.
Diesel….4 gal. per 100 hp. per hr. hhmmmm ?