[DarkMatter]

I have the 50 horse, like the outboard, is quick, from what I have been told it has the same power head as the 40, but must be tweaked for higher performance, rpm, whatever I digress.

[HopeFlynn7x]

when on plane at full speed pull it back 1/4 throttle, might lose 2-3 mph, but it will help A LOT, with fuel consumption. Talking 20 gallons for a week on a Canada trip, or a fall week at the Chip.

[laszlo]

like someone else said, you can buy a lot of gas for what a new motor costs, and for my 2 cents, watching my only two friends in the whole world, you couldn't give me a 4-stroke motor (talking 50 HP range) am always waiting for those guys. [links]

[venom]

But what does that mean in hard numbers?

[tentative]

Well, now you can find out with Mercury launching a new Fuel Savings Calculator which allows you to easily compare FourStroke fuel efficiency to similar TwoStroke engines.

[adavid]

For example, the calculator will quickly tell you that replacing a recreational 15hp TwoStroke with a 15hp FourStroke will provide; more

[kahealani]

Significantly improved fuel efficiency – it’s one of the big advantages FourStroke engines can give you compared to their TwoStroke counterparts.

[Truth Prevails]

0-10 knots. Average 4.4 seconds here

[preventhrtattack1]

I've been a member on this forum for almost 10 years, posting very little, but rather reading and absorbing as much knowledge as possible. I have a passion for semi-rigids and have had one for the last 10 years, in conjunction with my fibreglass boats.

[ellyka118]

Total Weight of Boat, Engine and Crew: 552kg's here

[ggs]

Honda 40hp 4 stroke outboard here

[sjaak]

Boat: 5.0m Gemini Semi Rigid
Weight: 180kg's
Fuel: 25kg's
Safety Kit: 20kg's
Battery: Deltec 60amp 15kg's here