🏷️ Basic Information Identification Make: Mercury Marine Model: 9.9 / 15 Bigfoot Year: Not Specified (Covers a range of model years) Generation: Not Specified Classification Vehicle Type: Outboard Motor Engine Configuration: 4-Stroke 📋 Manual Details Content Manual Type: Repair Manual Manual Type Alt: Workshop Manual / Owner's Manuals / Parts Catalogs Language: English Format: PDF Download Delivery Download Availability: Instant after payment Shipping Cost: None Support Support Policy: Lifetime protection policy for lost or damaged downloads Scope Covered Topics: General Information, Routine Maintenance, Engine Removal and Installation, Fuel System, Lubrication and Cooling System, Engine Specifications, Transmission, Drive Chain & Sprockets, Steering System, Shocks, Body Work, Intake & Exhaust, Electrical System, Advanced Troubleshooting, and much more. ⚙️ Engine Specifications General Engine Type: 4-Stroke Power Horsepower 9.9: 9.9 HP Horsepower 15: 15 HP Displacement Engine Displacement: Not Specified in description Cooling Cooling System: Liquid Cooled (Implied for 4-stroke outboards) 🔧 Transmission Drive Drive System: Bigfoot Gearcase (implies specific gear ratio for torque) Drive Chain Sprockets: Covered in manual 🔧 Maintenance Routine Routine Maintenance Coverage: Yes Oil Oil Type Recommendation: Covered in manual Oil Capacity: Not Specified in description Service Interval Service Interval Recommendation: Covered in manual 📄 Systems Fuel Fuel System Coverage: Yes Lubrication Lubrication System Coverage: Yes Steering Steering System Coverage: Yes Electrical Electrical System Coverage: Yes Intake Exhaust Intake Exhaust Coverage: Yes 📄 Troubleshooting Advanced Advanced Troubleshooting Coverage: Yes