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