Buy a 32oz bottle and a pump to go on it, you will use almost close to half.
The maker points on the 4.5 hp Mercury outboard, are set at 0.020 in.
The plug gap for the 1990 model, 100 hp Mercury outboard is .040 in.
An 8 hp Mercury outboard, serial number OD140284 would be a 1992 model.
A 90 hp Mercury, serial number 4849632, is a 1978 year model outboard.
The serial # would appear to be post 1986 according to Seloc Merc outboard manual I have.
The correct spark plug gap for the 1982 model, 9.8 hp Mercury outboard is .040 in.
i have a 7.5 merc outboard ser.no.7678203 what jear is it vern o.
Merc's use a 50:1 mix
The points gap on a Merc 40 4hp is .020
a 75 hp merc goes 19 mph
Merc 850 854590512 thru 4831998 1977
It could be the wire is disconnected that's attached to your break peddle...My 1994 merc sable wouldn't go into gear from park and there were two wire connected to my brake peddle and one was disconnected. when i connected it again, the vehicle went into gear. Hope this helps