Lehr 9.9hp Propane Powered Outboard Engine, Short Shaft, Manual Start. 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. Its also domestically produced, reducing our dependency on foreign oil. 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. 9.9hp and 15hp models connect only to remote tanks and are complete with a 10' hose assembly. Remote tanks are sold separately. Suggested Tank Options Composite Tanks Standard Aluminum Tanks Specifications Engine Type: 4-strokeSOHVHorsepower Rating: 9.9 hp (7.2 kW) Engine Displacement: 212cc /12.94 cu in Shaft Length: 15"Trim Positions: Five Weight: 88lb. Fuel: Propane (LPG) Fuel Tank Type: Remote tank (sold separately)Full Throttle RPM Range: 4500-5500rpm Running Time: 11lb. remote tank: Throttle @ 5000rpm: approx. 2 1/2 hours; Throttle @ 3000rpm: approx. 6 hours - 17lb. remote tank: Throttle @ 5000rpm: approx. 4 hours; Throttle @ 3000rpm: approx. 9 hours Exhaust System: Through propC.A.R.B. Rating: 3 Star Ultra Low Ignition System: CDI Start: Manual Gearing: Forward, Neutral, Reverse Gear Ratio: 2.08:1Standard Prop: 8" x 8 1/2" Three blade aluminum Warranty: Three years
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