SEA MAXX 7.4 H0 390HP

Product Specification Listing: SEA MAXX 7.4 HO 390HP Marine Engine

General Information

• Product Name: SEA MAXX 7.4 HO Marine Engine
• Model: 7.4 HO
• Horsepower: 390HP
• Engine Type: Marine Engine
• Brand: SEA MAXX

Technical Specifications

Engine Details

• Engine Type: V8, Four-Stroke Marine Engine
• Displacement: 7.4 liters (454 cubic inches)
• Bore x Stroke: 4.25 inches x 4.0 inches
• Compression Ratio: 8.7:1
• Fuel Type: Gasoline (Premium Unleaded Recommended)
• Aspiration: Naturally Aspirated
• Cooling System: Closed-Loop Freshwater Cooling System
• Induction System: Multi-Point Fuel Injection (MPI)
• Ignition System: Electronic
• Lubrication System: Wet Sump with High-Volume Oil Pump

Performance

• Horsepower Rating: 390HP at 4400 RPM
• Torque: 480 lb-ft at 3200 RPM
• Maximum RPM: 5000 RPM
• Alternator Output: 70 Amp

Dimensions & Weight

• Length: Approx. 34 inches
• Width: Approx. 30 inches
• Height: Approx. 24 inches
• Weight: Approx. 1,150 lbs

Fuel System

• Fuel Delivery: Multi-Point Electronic Fuel Injection
• Fuel Pump Type: Electric
• Fuel Filter: Spin-on Type

Exhaust System

• Exhaust Type: Water-Cooled Manifolds with Risers
• Exhaust Material: Cast Iron

Electrical System

• Battery Requirements: 12 Volt Marine Battery, Minimum 800 CCA
• Starter: Electric Start
• Instrument Panel: Integrated Gauges and Warning System

Operational Features

• Starting System: Electric Start with Key Ignition
• Throttle & Shift: Electronic Throttle Control (ETC)
• Steering Compatibility: Power-Assisted and Mechanical Steering Systems
• Instrumentation: Integrated Digital Display for RPM, Oil Pressure, Coolant Temperature, and Battery Voltage
• Safety Features: Overheat Protection, Low Oil Pressure Warning, Diagnostic Trouble Code (DTC) Memory

Compliance & Certifications

• EPA Emissions Certified: Yes
• CARB Emissions Certified: Yes (3-Star Ultra-Low Emission)
• USCG Approved: Yes

Package Contents

• Engine Assembly
• Alternator
• Exhaust Manifolds and Risers
• Starter Motor
• Owner's Manual
• Installation Guide
• Warranty Information

Warranty

• Warranty Period: 2 Years Limited Warranty
• Coverage: Parts and Labor for Defective Components (Terms and Conditions Apply)

Additional Information

• Service Network: Authorized Service Centers Worldwide
• Optional Accessories: Engine Mounting Kit, Remote Command Module, Performance Upgrades

For purchasing inquiries, installation services, or additional product information, please contact your local SEA MAXX authorized dealer or visit our website at www.seamaxxmarine.com.

Note:

Specifications are subject to change without notice. Please refer to the official SEA MAXX documentation for the most accurate and up-to-date information.