Designed, developed and manufactured in-house, the naturally aspirated, 9.0 liter 860 sterndrive engine features Mercury Racing’s exclusive aluminum four-valve cylinder heads and dual overhead camshaft valve train. This proven valve train, which greatly enhances engine performance and durability over a standard two-valve design, enables the engine to produce 860 horsepower at 6800 rpm on 89 octane (Rec 90) pump fuel. The engine’s 6300-6800 rpm operating range offers unsurpassed acceleration for its power rating. The higher rev limits expand the range of propeller options available for a variety of applications.
MODEL DETAILS
Designed, developed and manufactured in-house, the naturally aspirated, 9.0 liter 860 sterndrive engine features Mercury Racing’s exclusive aluminum four-valve cylinder heads and dual overhead camshaft valve train. This proven valve train, which greatly enhances engine performance and durability over a standard two-valve design, enables the engine to produce 860 horsepower at 6800 rpm on 89 octane (Rec 90) pump fuel. The engine’s 6300-6800 rpm operating range offers unsurpassed acceleration for its power rating. The higher rev limits expand the range of propeller options available for a variety of applications.
Specifications
- Rated Power at Transmission860 (641 kW)
- Full Throttle RPM Range6300-6800
- Displacement Liter/CID9.0/552
FULL SPECS
- Bore (in/mm)4.57/116
- Stroke (in/mm)4.21/107
- Compression Ratio9.75:1
- Cylinder ArrangementV-8
- Alternator (amp/watt)95/1340
- ControllerDistributorless
- Fuel SystemSequential Fuel Injection
- Fuel Requirements89 Octane Pump Fuel
- TransmissionMercury Racinq Hydraulic
- Drive UnitM6, M8 Optional
- Gear RatioApplication dependent (contact Mercury Racing for additional information)
- Length (in/mm)31/791
- Width (in/mm)38.3/973
- Height (in/mm)26/664
- Weight (lbs/kg) 1420/644
- Warranty2-Year Limited for Recreational Boating
Designed, developed and manufactured in-house, the naturally aspirated, 9.0 liter 860 sterndrive engine features Mercury Racing’s exclusive aluminum four-valve cylinder heads and dual overhead camshaft valve train. This proven valve train, which greatly enhances engine performance and durability over a standard two-valve design, enables the engine to produce 860 horsepower at 6800 rpm on 89 octane (Rec 90) pump fuel. The engine’s 6300-6800 rpm operating range offers unsurpassed acceleration for its power rating. The higher rev limits expand the range of propeller options available for a variety of applications.
Specifications
- Rated Power at Transmission860 (641 kW)
- Full Throttle RPM Range6300-6800
- Displacement Liter/CID9.0/552
- Bore (in/mm)4.57/116
- Stroke (in/mm)4.21/107
- Compression Ratio9.75:1
- Cylinder ArrangementV-8
- Alternator (amp/watt)95/1340
- ControllerDistributorless
- Fuel SystemSequential Fuel Injection
- Fuel Requirements89 Octane Pump Fuel
- TransmissionMercury Racinq Hydraulic
- Drive UnitM6, M8 Optional
- Gear RatioApplication dependent (contact Mercury Racing for additional information)
- Length (in/mm)31/791
- Width (in/mm)38.3/973
- Height (in/mm)26/664
- Weight (lbs/kg)1420/644
- Warranty2-Year Limited for Recreational Boating
