Honda Marine 350 Hp V8 BF350AXDA 2025

The Honda BF350 is praised as Honda's first production V8 outboard, offering excellent fuel economy, smooth and quiet operation, strong mid-range torque, and user-friendly features like VTEC and the IST digital throttle and shift system. Reviewers highlight its 5-year non-declining warranty, self-balancing crankshaft for reduced vibration, and suitability for a wide range of boats. While it is heavier than some competitors, it delivers powerful performance and is considered a benchmark in the 350 hp category.

Key Specifications (2025 Honda BF350 Outboard)

Spec Detail
Engine type 4-Stroke, SOHC, 60° V8, 32 valves
Displacement 4,952 cc (≈ 302 cu in)
Bore x Stroke 89 mm × 99.5 mm / ~3.5 in × 3.9 in
Full throttle RPM range 5,000 – 6,000 rpm
Rated power output 350 HP at ~5,500 rpm
Cooling system Water cooled
Fuel delivery Programmed Fuel Injection
Ignition Computer-programmed system
Starting Electric
Alternator / Charge 70 Amp charging system
Gear ratio 1.79:1
Tilt range ~68°
Transom heights available (shaft lengths) XL (~25 in) and XXL (~30 in) type service transom heights; counter-rotating and normal options.
Dry weight • X Type (≈25') ~347 kg (≈765 lbs)
• U Type (≈30') ~352 kg (≈776 lbs)

Warranty & Other Features:

5-year non-declining warranty in recreational usage.
Safety & monitoring features: oil pressure alert, engine alert systems, temperature alert, etc.

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