does anyone no how good on gas this engine is

johnbates

Petty Officer 3rd Class
Joined
Apr 14, 2004
Messages
89
I just bought a mercury 65 hp engine The only model # I found was on the coil pack..Model # 4D is this the model # I have the serial # 1623793 also..I only paid $300 for it..runs great.. Does anyone no the oil mixer also
 

Hooty

Rear Admiral
Joined
Oct 2, 2001
Messages
4,496
Re: does anyone no how good on gas this engine is

Is it a four cylinder? If so, it looks like it's a 1964 model and it was around 1964 when fuel/oil ratios went from 24:1 to 50:1.I'd get a manual just to be sure. At wfo that engine will burn about 6.5 gph of fuel.
 

mellowyellow

Vice Admiral
Joined
Jun 8, 2002
Messages
5,327
Re: does anyone no how good on gas this engine is

best to see 4 yurself since several factors can<br />effect consumtion... be safe and use 1/3 rule.<br />(1/3 out, 1/3 back, 1/3 reserve)<br />cuz u never know...<br />safe boating,<br />M.Y.
 

johnbates

Petty Officer 3rd Class
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Apr 14, 2004
Messages
89
Re: does anyone no how good on gas this engine is

50:1 thats sounds like alot
 

johnbates

Petty Officer 3rd Class
Joined
Apr 14, 2004
Messages
89
Re: does anyone no how good on gas this engine is

so someone said that it burns 6.5 gallons of gas an hour that cant be right
 

LubeDude

Admiral
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Oct 8, 2003
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Re: does anyone no how good on gas this engine is

Originally posted by johnbates:<br /> so someone said that it burns 6.5 gallons of gas an hour that cant be right
Thats great compared to my Merc 150 that gets about 1/3 of that at about 2.5 Gal per hour.
 

LubeDude

Admiral
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Oct 8, 2003
Messages
6,945
Re: does anyone no how good on gas this engine is

Originally posted by johnbates:<br /> 50:1 thats sounds like alot
Compared to what, thats the most widely accepted mix ratio for premix on any modern outboard.
 

johnbates

Petty Officer 3rd Class
Joined
Apr 14, 2004
Messages
89
Re: does anyone no how good on gas this engine is

sorry i dont no to much about boats
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: does anyone no how good on gas this engine is

Easy formula for fuel consumption for 2 stroke outboards is :<br /><br />HP/10 = gallon per hour at WOT.
 
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