MJM Yachts offers Yanmar engines on two models

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MJM 40.

MJM 40.

MJM Yachts is offering Yanmar propulsion on the 36z and 40z models.

The MJM 40z is one of two 40-foot vessels certified as ISO Category A Ocean, the highest rating possible for seaworthiness. It comes standard with twin 370-hp Yanmar 8LV diesel sterndrives. The 4.46-liter, 8-cylinder engine goes from 550 rpm at idle to 3,800 rpm at the top end.

The Yanmar 8LV-370 has a dry weight of 959 pounds without gear and 272 cubic inches of displacement. Cooled by a centrifugal freshwater pump and lubricated by an enclosed forced system, it meets U.S. EPA Tier 3 standards.

Buyers of the 36z can opt for twin Yanmar 6BY3, 260-hp diesels. The inline 6-cylinder engine achieves its rated speed at 4,000 rpm. Weighing 723 pounds without gear, it has a displacement of 183 cubic inches. It features a direct-injection combustion system, a 12 V electric starting system and alternator and enclosed lubrication system. The 6BY3 meets U.S. EPA Tier 3 standards.

MJM 36.

MJM 36.

"The Yanmar sterndrive's hydraulic multi-disc clutch is a big step forward," MJM founder Bob Johnstone said in a statement. "When docking with a joystick, there's much changing of gears from forward to reverse and back again, as the computer operates the drives independently to move the boat sideways, forward or aft. The hydraulic multi-disc clutch eliminates the gear clunking for much smoother operation. Furthermore, the Yanmar drive offers superior control in joystick docking mode without need for a supplementary bow thruster.”

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