Skip to content Skip to navigation menu

LEHR 15hp Propane Powered Outboard Engine, Short Shaft, Internal Electric Start

Model # 14996029Mfg # LP15.0ES-IB


Customer Reviews
In stock online.
Truck Freight

Product Description

Get One Year's Supply of Free Fuel with Purchase February 12 - June 30

The first propane-powered outboard engines, LEHR motors present an environmentally-friendly and cost-effective alternative to gasoline. Overhead-valve four-stroke engines run on 110-octane propane, and are eco-friendly with zero evaporative emissions, because propane, unlike gasoline, is not listed as a marine pollutant by the DOT. Propane is 50-times cleaner than gas, with 96% less carcinogenic compounds, 60-70% less smog-producing hydrocarbons and no Class I or II ozone-depleting chemicals. It’s also domestically produced, reducing our dependency on foreign oil.

Introducing LEHR technology video

LEHR outboards are easy starting with no choke and no priming, reliable with no carburetor gum-up or winterizing, economical because propane costs roughly half as much as gas. Connect to a standard LPG tank with the provided 4' hose assembly for longer run times. 9.9hp and 15hp models connect only to remote tanks and are complete with a 10' hose assembly. Remote tanks are sold separately.

Electric Start with Internal Battery

Electric Start portable 15hp motors with internal starter battery that recharges while the engine is running. Your portable outboard remains portable—no rigging or clutter in your boat!

  • Weighs less than two pounds, making it 70% to 80% lighter than a traditional lead acid battery
  • Lithium Iron Phosphate (LiFePo) batteries are able to hold an unloaded charge for an entire year without compromising service life
  • Lifespan is up to twice as long as a lead acid battery
  • Dry and sealed—no maintenance or hazardous materials to worry about
  • Extremely low discharge rate making it an ideal choice for seasonal use
  • Recharges while you are running your engine

Suggested Tank Options:

2.6 gallon composite tank (11lb.)
4 gallon composite tank (17lb.)
5 gallon standard tank (20lb.)
7.5 gallon liquid draw composite tank (31lb.)


    • Engine Type: 4-stroke OHV
    • Engine Displacement: 323cc
    • Shaft Length: 15"
    • Weight: 110lb.
    • Fuel: Propane (LPG)
    • Fuel Tank Type: Remote tank (sold separately)
    • Running Time: 11lb. remote tank: Throttle @ 5000rpm: approx. 1 hour 45 min; Throttle @ 3000rpm: approx. 4 hours - 17lb. remote tank: Throttle @ 5000rpm: approx. 2 hours 40 min hours; Throttle @ 3000rpm: approx. 6 hours
    • Exhaust System: Through prop
    • Ignition System: CDI
    • Gearing: Forward, Neutral, Reverse
    • Gear Ratio: 2.08:1
    • Warranty: Three years

LEHR 15 Owner's Manual

Advantages of Using Propane

Propane Run Time


West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.