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Yachtwork
Yachtwork, Marine Engineer
Category: Boat
Satisfied Customers: 1043
Experience:  MEC3 and RYA Yachtmaster Ocean
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What is the ratio of gas and oil in a 40hp Mercury Outboard

Customer Question

What is the ratio of gas and oil in a 40hp Mercury Outboard motor?
Thanks!
Submitted: 5 years ago.
Category: Boat
Expert:  Yachtwork replied 5 years ago.
Lindamcb-I'm assuming you have a two stroke Merc 40, and the ratio would be 50-1 or about 2.6 onces of oil per gallon of fuel. Remember the 50-1 and when you add the fuel there will be a chart on the back of the oil can. Use the 50-1 colum.

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Scott
Yachtwork, Marine Engineer
Category: Boat
Satisfied Customers: 1043
Experience: MEC3 and RYA Yachtmaster Ocean
Yachtwork and other Boat Specialists are ready to help you
Customer: replied 5 years ago.
Thanks, XXXXX XXXXX for my father in law who hasn't used the boat in so long he had forgotten what to put in the motor! I appreciate your fast answer! Linda
Expert:  Yachtwork replied 5 years ago.
Glad we could help and good luck with the engine.

Scott

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