Honda 250 DUCRA 30"

Overview

• Engine Type: 4-Stroke SOHC, 60° V6, 24 Valves

• Rated Power: 250 HP @ 5,800 rpm

• Displacement: 3,583 cc (219 cu in) – Large Displacement V6

• Design Highlights: Compact, narrow V6 design for top performance, durability, and fuel economy. Balanced 60° firing every 60° for smooth operation.

Performance and Efficiency

• BLAST® System: Boosted Low Speed Torque improves acceleration at low speeds. Quick throttle movement advances the ignition curve aggressively for vastly improved "hole shot" and quicker planing.

• Large Displacement V6: Powerful, compact 24-valve SOHC design without bulky long intake runners or multi-camshafts. Delivers excellent performance, durability, and fuel economy.

• VTEC® (Variable Valve Timing & Lift Electronic Control): Provides power when needed with a broader, flatter torque curve and smooth delivery. Superior combination of power, torque, and fuel economy.

• Lean Burn Control®: Allows leaner air/fuel mixture at cruising speeds, using up to 20% less fuel than others in its class (EPA Specific Fuel Consumption Mode).

• Dual Stage Induction: Variable intake system optimizes airflow to match engine speed for maximized combustion efficiency, increased torque, and superb fuel economy.

• Direct Air Intake System with Separate Dual Air Circuits: Industry-first design — one circuit cools critical engine components and alternator; the second draws cool, moisture-separated air into the throttle body for cooler, denser air and better combustion.

• Four-Stroke Design: Proven Honda reliability with superior fuel efficiency and no oil mixing.

• Large Air Intake Silencer: Reduces noise through a chamber that causes sound wave interference.

• Advanced ECU: Predicts operator shifting and adjusts ignition timing to reduce shifting load and modify torque.

• Oxygen (O2) and Knock Sensors: Optimize fuel flow and ignition curve for maximum performance and efficiency.

• Balanced Engine: 60° V6 provides excellent balance and smooth operation across the RPM range.

• Tuned Dual Exhaust: Headers wrap around the outside of the oil pan to reduce heat build-up, improving efficiency and performance.

• Multi-Port Programmed Fuel Injection (PGM-FI®): Precise fuel/air delivery for easy starts, instant throttle response, and superior fuel efficiency.

• Non-Linear Mounting System: Patented rubber mounts for smoother operation at all speeds.

• Counter Rotation: Improves efficiency, hull maneuverability, and reduces driver fatigue.

• Extreme Duty Gearcase: High-performance gear case for demanding use (law enforcement/military). New 2.00:1 gear ratio and support for large propellers (up to 16-inch diameter).

Full Throttle RPM Range: 5,300–6,300 rpm

Bore & Stroke: 89 x 96 mm (3.5 x 3.8 in.)Reliability and Durability

• Engine Alert System: Monitors and alerts for Overheating, Water in Fuel, Low Oil Pressure, Battery condition, Over-Rev, and critical functions (via visual, audio, and rpm reduction).

• Saltwater Protection: Painted interior cooling passages for prolonged life in harsh environments.

• Two-Pass Cooling System: Unique design circulates water through exhaust manifolds and cylinder heads twice for even temperatures and increased cooling efficiency.

• Positive Lubrication: Crankshaft-driven, automotive-style trochoid oil pump for long-term durability.

• Single Latch Cowl: Front-mounted latch with 4 securing points for a water-tight seal.

• Sealed Starter: Inverted sealed chamber protects the starter from elements.

• Four-Front Corrosion Protection: Patented "Double Sealed" multi-layered paint process, sacrificial anodes, stainless steel technology, and waterproof connectors.

• Fresh Water Flushport: Flushes debris and saltwater to extend engine life.

• Stainless Steel Components: Steering arm, tilt tube, and all shafts for superior corrosion resistance.

• Warranty: True 5-year non-declining non-commercial warranty or 1-year commercial warranty.

Convenience and Ease of Use

• NMEA 2000 Protocols: Allows engine data integration with onboard systems (sonar, GPS, etc.).

• High-Output Charging: 90 amp "On Demand" belt-driven alternator with 60 charging amps. Reduces heat build-up and provides strong charging across RPM range.

• AMP+®: Industry-first idle boost — automatically increases RPM by 100 when extra amperage is needed, adding 9 amps to prevent battery drain.

• Slim Profile: 60° V6 design fits industry-standard 26 in. (66 cm) center-to-center for dual engine setups without transom modifications.

• Spark Plug Maintenance Cover: Easy access window for spark plugs without full cowl removal.

• Built-in Pitot Tube: Eliminates need to drill holes in the boat for speedometer installation.

• Power Trim & Tilt: Standard

• Tilt Limit Setting: Standard

Specifications

• Type: 4-Stroke SOHC, 60° V6

• Displacement: 3,583 cc (219 cu in)

• Bore & Stroke: 89 x 96 mm (3.5 x 3.8 in.)

• Full Throttle RPM Range: 5,300–6,300 rpm

• Rated Power: 250 HP @ 5,800 rpm

• Cooling System: Water Cooled (Two-Pass)

• Fuel Delivery: PGM-FI

• Ignition System: Microcomputer Programmed

• Starting System: Electric

• Exhaust: Through Hub

• Recommended Fuel: 86 Octane

Drive

• Gear Ratio: 2.00:1

• Gear Shift: F-N-R

Equipment / Features

• Alternator: 90A (60A charging) with AMP+®

• Propeller: Optional

• VTEC®: Standard

• BLAST™: Standard

• Lean Burn Control: Standard

• iST® (drive-by-wire): —

• Troll Control: —

• Power Trim & Tilt: Standard

• Tilt Limit Setting: Standard

Dimensions & Weight

• Overall Width: 666 mm / 26 in.

• Recommended Transom Height:

  • L-type: 508 mm / 20 in.

  • X-type: 635 mm / 25 in.

  • U-type: 762 mm / 30 in.

• Dry Weight:

  • L-type: 276 kg / 609 lbs.

  • X-type: 284 kg / 626 lbs.

  • U-type: 289 kg / 637 lbs.