Yanmar KM3A Marine Transmission Ratio 2.61:1

FOR SALE Yanmar KM3A Marine Transmission Ratio 2.61:1. Like new, excellent condition. Very Low hours. Turns Fine Shifts correctly, Tested.

The Yanmar KM3A (manufactured by Kanzaki) is a durable, constant-mesh marine gearbox widely used with smaller Yanmar inboard diesel engines. The 2.61:1 forward ratio provides excellent low-end torque for heavier displacement hulls, though this specific configuration is considered obsolete.

Quick Specs

• Forward Ratio : 2.61:1 (also written as 2.62:1 in some documentation)
• Reverse Ratio : 3.06:1 or 3.04:1
• Clutch Type : Wet-type servo cone clutch
• Lubrication : SAE 20/30 Engine Oil