All New 150hp Four Stroke from MERCURY

[Robbie Diesel]

Just came accross this, New 150hp 4 stroke from Mercury, its a naturally aspirated (no super charger) 4 cyl in-line with a displacement of 3.0 litres, the largest in its class, produces 164.9hp it has a single over head cam with just 2 large valves per cylinder to save on weight. It has an timing chain that needs no maintenance and weighs in at only 205kgs. Its conventional control cables to keep costs down. Saw these early pre-order prices in america, which look promising

150L EFI 4S MERCURY$9,700
150XL EFI 4S MERCURY$9,750
150CXL EFI 4S MERCURY$10,125

Looks like it would have the potential to be tweaked to 200hp in the future, which would be lighter than any 200hp outboard in a long time! Heres the links i saw

First Look: Mercury 150 FourStroke Outboard - YouTube

Heres a link to a magazine article on the new engine---

New Mercury 150 FourStroke Outboard Debuts - features.boats.com

[Turbodiesel]

Yeap, Its was called Project Bedrock, was looking at this a few years ago with the Engineers from the states. It going to fill a hole for people who want a less complicated engine than the Verado. There will be more engines in the line up... Watch this space!

[Channel Ribs]

Simple, easy to keep and lightweight, frugal too I bet.

[Ian M]

Originally Posted by Robbie Diesel

weighs in at only 205kgs.....Looks like it would have the potential to be tweaked to 200hp in the future, which would be lighter than any 200hp outboard in a long time

Nice try, but the E-tec is still lighter

[m3mm0s rib]

Can someone answer me what speed PISTON revs per seconds

[Robbie Diesel]

Originally Posted by Ian M

Nice try, but the E-tec is still lighter

Sorry, the lightest 4 Stroke in a long while!

[Downhilldai]

Not dissimilar to the Yam F150 & Soozook DF150 motors

[m3mm0s rib]

Knows someone tell us the specifications;

[Leapy]

Originally Posted by m3mm0s rib

Knows someone tell us the specifications; what is piston speed?

If the specs are out there, it's not obvious.

[m3mm0s rib]

Originally Posted by Leapy

If the specs are out there, it's not obvious.

PISTON speed = the rotational speed of the piston per second