The Suzuki DF225 delivers big V6 power in a package focused on everyday efficiency and reliability. At 225 HP, this engine uses the same 4028cc V6 block shared with the DF250, meaning it offers plenty of torque and a reserve of power. The DF225 pushes boats onto plane quickly thanks to its two-stage gear reduction, which enables turning a larger prop for strong thrust. Top speed is impressive, yet acceleration remains smooth and controlled – ideal for scenarios that demand balanced performance, such as family cruising or recreational offshore fishing. The large V6 runs effortlessly, translating to less strain at cruising speeds and potentially longer engine life due to lower thermal and mechanical stress.
The DF225 inherits Suzuki’s high-tech features for efficiency and convenience. Its integrated Lean Burn system ensures optimal fuel economy – you’ll go further on every gallon, especially when running in the midrange. A dual water inlet cooling system keeps engine temperatures stable even during prolonged high-power operation, and the powerful 54A alternator makes sure all your onboard electronics stay powered. The DF225 is also compatible with Suzuki’s optional electronic throttle and shift system, allowing an upgrade to Precision Control for those who desire fly-by-wire smoothness in throttle and gear operation.
Reliability is a cornerstone of the DF225 as well: the engine’s timing chain is self-adjusting for minimal upkeep, and electronic ignition along with sensors continuously monitor performance to guard against knock or lean conditions. Like all Suzuki outboards, the DF225 is coated with an anti-corrosion finish to protect the engine in saltwater environments. With these features, the DF225 is an engine you can count on for years – delivering power when you need it and savings when you appreciate it most.
- Recommended for: Offshore and coastal boats of medium to large size (~20–26 ft) that require a strong, dependable engine for regular use – for example, cruising boats, offshore fishing vessels, and larger RIBs.
- Great choice for economical V6 power: Suited for owners who want the benefits of a big V6 (smooth operation, high torque) with slightly lower fuel consumption compared to the top-end 250 HP model.
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Engine hp:225 hp
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Engine type:V-6 [64°] with dual overhead camshafts [DOHC] and 24 valves
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Displacement:3614 cc (L)
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Max. RPM:5000 - 6000 RPM RPM
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Alternator Amp / Watt:54 A / W
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Reduction gear ratio:2.29:1
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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





