LPG Marine Outboard Engines

Propel Marine brings you the world’s first and the only LPG Outboard with models ranging from 2.5 HP to 25 HP. Field trials in India have shown savings ranging from 50% to 70% over Petrol Outboard Engines. Propel LPG Marine Outboards are powered by Four Stroke LPG Engines, which are more efficient and environmentally friendly.



  • LPG Power 4 Stroke Engine Design: Clean, efficient, eco-friendly LPG power
  • Electric Start Models (Optional): Easy, fingertip starting (9.9HP)
  • Shallow Water Drive: Ability to run in shallow water
  • Tiller Handle with Twist Grip Throttle: Precise throttle control and steering
  • Throttle Friction Adjustment: Minimizes driver fatigue, Steering Friction Adjustment, Adjust steering tension to set and maintain direction
  • Auto Reverse Lock: User-friendly & safer to operate
  • Easy Starting: No choking or priming
  • Lightweight Compact Design: Rear Mounted Carrying Handle
  • Stainless Steel Drive, Shift & Prop Shafts: User-friendly maintenance and corrosion protection
  • Emergency Stop Lanyard: User safety

Technical Specifications

Model 9.9HP

Engine type LPG Powered 4 Stroke OHV

Horsepower Rating 9.9 HP (7.4 kW)

Displacement 19.7 cu in/323 cc

Bore X Stroke 2.32” x 2.32” / 50mm x 59mm

Cylinders 2

Full Throttle RPM Range 4500 – 5500 RPM

Ignition System CDI Ignition

Starting System Manual or Electric (Optional)

Fuel LPG

Carburetion No Choke / No Priming

Lubrication Wet Sump/Pressure Lubricated

Control System Tiller Handle

Exhaust System Through Prop

Cooling System Water / Thermostatic Control

Trim Positions 5

Gear Shift F-N-R

Gear Ratio 2.08

Shaft Length 20” (L)

Standard Prop 9.5” X 11” 3 Blade Aluminum

Recommended Oil 4 Stroke 10W-30

Engine Oil Capacity 1.0 L

Comments are closed.