Named the “Ultimate 4-Stroke Outboard” at its introduction, the Suzuki DF300AP set a new benchmark for marine engine technology. This 300 HP V6 is packed with features that make it stand out as a true flagship. At its core is a 4.0-liter V6 powerplant that delivers formidable power and torque, enough to confidently drive performance offshore boats, luxury pontoons, or even mid-sized yachts. One of the hallmark innovations of the DF300AP is Suzuki Selective Rotation – it’s the world’s first outboard that can operate in either standard or counter-rotation simply by changing a connector (and using a counter-rotating propeller). This means a single model can be used for either side of a twin-engine installation, greatly simplifying maintenance and inventory for twin/triple engine boats. Coupled with that is the Suzuki Precision Control system, a fly-by-wire throttle and shift setup that offers silky smooth, immediate response. With drive-by-wire, shifting is crisp and effortless, and throttle adjustments are incredibly precise, which is most evident when maneuvering at low RPM around marinas or when docking a large boat – you have absolute control. The DF300AP also incorporates a two-way low water pickup on its gear case, allowing increased water flow to the engine for better cooling, especially at high speeds or in aerated conditions; this helps the engine run cool and safe even when it’s pushed to its limits. Overall, Suzuki designed the DF300AP not just to be powerful, but to also be exceptionally versatile and user-friendly for a big engine, with innovations that make installation and operation more flexible than ever.
In terms of performance and efficiency, the DF300AP doesn’t disappoint. It utilizes Suzuki’s Lean Burn Control to keep fuel consumption optimized across different speeds, meaning this big 300HP engine can be surprisingly efficient when cruising – saving fuel and extending your range. Furthermore, Suzuki gave the DF300AP a unique fuel cooling system: before the fuel reaches the cylinders, it is chilled and densified, resulting in more potent combustion for stronger acceleration and improved fuel economy. This, combined with a high-performance air intake and cooling system, ensures the engine breathes well and stays thermally efficient even on hot days. To maximize reliability, the DF300AP is built with a self-adjusting timing chain and topped with Suzuki’s anti-corrosion finish, so it can endure continuous saltwater use while retaining its like-new dependability. Routine maintenance points are made accessible – important for engines on larger boats where service access can be tight. From a user perspective, despite its size and power, this engine runs with remarkable smoothness and relatively low noise, a result of Suzuki’s decades of refinement in V6 design. And for added peace of mind, the DF300AP is available in Suzuki’s Pearl Nebular Black or Cool White finishes to match your boat’s style. Whether for a tournament fishing rig or a high-end cruiser, the DF300AP delivers the full package of power, technology, and reliability, making it a proven winner and a go-to choice in the 300 HP class.
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Engine hp:300 hp
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Engine type:V-6 [64°] with dual overhead camshafts [DOHC] and 24 valves
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Displacement:4028 cc (L)
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Max. RPM:5700 - 6200 RPM RPM
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Alternator Amp / Watt:54 A / W
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Reduction gear ratio:2.08:1
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Ignition type:Electronic FTIS
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Fuel system:EFI
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Cooling system:Water cooling + thermostat
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Gears:F-N-R
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Exhaust system:Through the propeller
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Oil tank capacity:8 L.
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Propeller:Yes