yes Mercury made a 260hp engine. it is a 2.5 ltr v6 2 stroke, the early carby models made 245hp, then went efi which made 260hp at the prop, 7500rpm redline. then they bought out the same block with different porting and electrics around 1999ish.
this engine made 280hp @ the prop. these engine are race engines. not your normal fishing outboard
my mercury 2.5 260hp ROS outboard is 170kg
1966-67
What is the weight of a 1966 45 hp mercury outboard motor
The dry weight of a 1985 model, 40 hp Mercury outboard is 152 lbs.
An 50 hp Mercury outboard, serial number 6276691, is a 1983 year model.
what year is my mercury outboard 4.5 hp serial number A104461
A 20 hp Mercury outboard, serial number OB268004 would be a 1988 model.
The dry weight of a 1988 model, 115 hp Mercury outboard is 312 lbs.
A 9.8 hp Mercury outboard, serial number 2850905, is a 1970 year model.
A 25 hp Mercury, serial number OB283551, is a 1988 year model outboard.
An 40 hp Mercury outboard, serial number 7197998 would be a 1983 year model.
The listed dry weight for a 1994 model, 200 hp Mercury outboard is 395 lbs.