The dry weight of the Mercury outboard FourStroke 40 HP boat motor released in 2005 is approximately 250 pounds. Later versions of this motor are slightly lighter.
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.
A 40 hp Mercury outboard, serial number 5897057, would have been manufactured in late 1981.
I would say one per spark plug.
1970 40 HP Johnston outboard weighs 145 lbs.
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
yes