LEHR offers the World’s First propane-powered line of marine outboard engines. As the most awarded propane company in the world, LEHR utilizes a patented technology, which ensures that it’s marine products are the cleanest, greenest and most reliable engines on the market today.


5.0hp Technical Specifications


Engine Type Propane Powered 4 Stroke OHV
Horsepower Rating 5hp (3.6kW)
Displacement 6.83cu in / 112cc
Bore X Stroke 2.32″ X 1.61″ / 59mm X 41mm
Cylinders 1
Full Throttle RPM Range 4000 – 4500 RPM
Ignition System CDI Ignition
Starting System Manual
Fuel Propane (110 Octane)
Carburetion No Choke / No Priming
Lubrication Wet Sump
Control System Tiller Handle
Exhaust System Above Propeller
Cooling System Water / Thermostatic Control
Trim Positions 5
Gear Shift F – N – R
Gear Ratio 2.08
Shaft Length LP5.0S 15″
LPS5.0L 20″
Standard Prop 7.5″ x 7″ 3 Blade Aluminium
Weight 48.4lbs / 21.8kg
Fuel Tank Type  
On Board Twist ‘n Go 16.4oz Propane Canister
Remote (Optional) 10lbs and 20 lbs composite tanks
Recommended Oil 4 Stroke 10W-30
Engine Oil Capacity 0.53US qt (0.5l)
Warranty 3 Year Limited Warranty
C.A.R.B. Rating 3 Star Ultra Low

LEHR 5hp