The dry weight of a 1983 model, 40hp Mercury outboard, is 156lbs.
The dry weight of a 1992 40hp Johnson is between 180 and 190lbs. depending on the model.
The serial number 6362532 for a 40HP Mercury outboard indicates that it was manufactured in 1982. Mercury outboard motors have serial numbers that can be traced back to their production year using specific resources or databases. To confirm the exact production date, it's often best to consult the manufacturer's documentation or a Mercury dealer.
A 40 hp Mercury outboard, serial number 5897057, would have been manufactured in late 1981.
1970 40 HP Johnston outboard weighs 145 lbs.
I would say one per spark plug.
Need to know if its 2 or 4 cycle.
The plug gap for a 1995 model, 40 hp Mercury is .035 in.
An Oil Injected motor will have a separate Oil Resevoir, so mixing Oil and Gas is not required, and in fact inadvisable.
The dry weight of a 1984 model, 40hp Yamaha longshaft w/ electric start, is 165 lbs.
50:1
how do u check timing in a 40 hp yamaha 2 stroke