Tohatsu 25HP MFS25DS 4-Stroke Outboard – 15″ Shaft, Tiller Handle, Manual Start

Tohatsu MFS25DS 25HP Outboard Motor

In order to resolve the complexities of mechanical reliability on short-transom utility boats, the Tohatsu 25 MFS25DS utilizes a 3-cylinder SOHC architecture with a 526cc displacement. This engineering configuration features a battery-less Electronic Fuel Injection system and a 2.17 to 1 gear ratio to maximize rotational efficiency on aluminum vessels. By optimizing the torque curve through this specialized gearset, the motor achieves superior hydrodynamic efficiency when paired with 15-inch transom hulls requiring a manual start system to reduce vessel weight and a high-leverage tiller for direct operator control in remote maritime environments.

Maintaining structural integrity ensures the Tohatsu 25 MFS25DS remains impervious to degradation through YDC-30 alloy construction and high-grade sacrificial anodes for extreme saltwater protection. This marine propulsion platform integrates a 17.5-amp alternator charging system to support onboard electronics while the freshwater flushing port simplifies maintenance during extended service intervals. The 4-stroke platform utilizes advanced thermal management circuits to ensure full regulatory compliance with EPA Tier 3 standards for low-emission transit while delivering the structural stability required for long-term service as a robust offshore propulsion system.

Key Features of Tohatsu 25 MFS25DS

• Output delivers 25HP of consistent 3-cylinder propulsive torque
• Electronic Fuel Injection ensures 15 percent fuel saving efficiency
• Total weight is 128 lbs for balanced hull mounting
• Transom mount fits 15 inch short shaft applications
• Manual start system provides reliable ignition without battery power
• YDC-30 alloy housing protects internal drive components from salt
• Commercial and private use includes 5 year limited warranty