2025 Mercury Marine® FourStroke 5 hp Propane Base
- Year 2025
- Make Mercury Marine®
- Model FourStroke 5 hp Propane
2025 Mercury Marine® FourStroke 5 hp Propane
Reliability, Portability, and PowerMercury’s 5hp FourStroke Propane outboard provides more convenience and less hassle. Now you can power your boat with the same propane used for your grill and eliminate the need to haul gasoline. The 5hp FourStroke Propane outboard with a large 123cc displacement offers best-in-class power by delivering a true 5hp.
Mercury’s all-new 5hp FourStroke Propane outboard provides more convenience and less hassle. With a large 123cc displacement, it offers best-in-class power by delivering a true 5 horsepower. Ideal for aluminum tiller, inflatable or jon / utility boats.
Engine
							Engine Power
							5 hp (3.7 kW)
						
						
							Engine Type
							1 cylinder
						
						
							Displacement
							7.5 CID (123 CC)
						
						
							Throttle
							Full: 5000-6000 RPM
						
						
							Oil Type
							Recommended: Mercury FourStroke Oil 10W-30
						
						
							Gear Ratio (Primary)
							2.15:1 | Shift: F-N-R
						
						
							Emissions
							CARB star rating: 3
						
						
							Bore
							2.32" (59 mm)
						
						
							Stroke
							1.77" (45 mm)
						
						
							Ignition
							CDI w/electronic spark advance
						
						
							Cooling
							Water-cooled with thermostat
						
						
							Steering
							Tiller
						
						
							Exhaust
							Through prop
						
						Operational
							Operating Conditions
							Shallow water trim range: 16°
						
						Electric
							Starter
							Manual
						
						Fuel System
							Fuel System
							Propane Mixer | Induction: 2-valve pushrod (overhead valve)
						
						Dimensions
							Length
							Shaft: 15" (381 mm) | 20" (508 mm)
						
						Capacities
							Fuel Capacity
							Not included
						
						Weights
							Dry Weight
							Lightest model available: 59.5 lbs (21.2 kg)
						
						Features
							Features
							Engine protection operator warning system: Low oil pressure/Over-rev | Trim positions: 6 | Shallow water drive: Yes | Propane Tolerance: HD-5 (65% or greater propane)
						
						Color
							Colors
							Phantom Black
						
					 
			