Question about Boating
91 octane rating ( no e-mix fuels ) and proper outboard oil ( not normal engine oil)
outboard oil has a property that allows the oil residue to stick to the metal bits and helps prevent rust
e-mix fuels absorb moisture and and rusts out steel tanks , destroys rubber components and corrodes aluminium components
the model you have is not listed on any 7.5 hp engine from 1950 to 1958
model number starts at 4434 to 7512 to 7525 in 1958
for a better answer , talk with an evinrude service center who should have a chart listing your motor
units with oil injection are 50: 1 ratio and others are 6 gallons to 1 pint of oil which is around 45:1
I would seek advice from an evinrude service center for the correct fuel to oil ratio for your engine
to mix the fuel , put the oil in first then the flow from the bowser will effectively mix it up to start with
then fit the cap on the tank and shake it up yourself
Posted on Apr 20, 2017
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Posted on Jan 02, 2017
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