Mercury MerCruiser 8.1S Horizon (370-hp)
This is the big-gun in the Mercury MerCruiser line of recreational powerplants. It's designed to put real performance into mid-size express cruisers.
Key Features
- Mercury-exclusive PCM 555 high-speed microprocessor that optimizes fuel mixture, knock control and ignition timing independently for each cylinder, re
- Distributorless ignition system that improves timing accuracy and eliminates mechanical timing adjustments.
- Closed cooling with 5-year coolant.
- Redesigned exhaust system with aluminum manifolds and stainless steel elbows that is 65 percent lighter and more corrosion-resistant.
- Exclusive Engine Guardian protection senses potential problems and virtually eliminates the chance for engine damage due to overheating, low oil press
- Long individual runner intake manifold design provides optimum torque and horsepower for demanding marine applications
- Sequential fuel and spark control maximizes performance from every engine cylinder
- Convenient remote oil filter location makes oil changes cleaner and makes periodic service simple and less work
- Cartridge-type water-separating fuel filter helps protect fuel system and engine against damage
Mercury MerCruiser 8.1S Horizon (370-hp) (Inboard) Specifications
Horsepower |
370-hp |
Warranty |
3 Years |
Displacement (cu/cc) |
496.00 cu / 8,127.98 cc |
Number of Cylinders |
8 Cylinders |
Configuration |
V8 |
Fuel Delivery |
Fuel Injected |
Cooling System |
Raw Water |
Weight (lbs/kg) |
1,130.00 lbs / 512.56 kg |
Charging System |
65 A |
Length/width/height |
47 in / 33 in / 24 in |
Full Throttle RPM |
4600 |