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Please contact Andy Jr. with questions or to
place an order at 920-264-0873 or by e-mail at andyjr@shipyardisland.com.
Yamaha outboard engines, pressure washers and generators have their own freight
policies that are directed by Yamaha and SIM. Contact us for those details.
Included with engine:
Gear Lube Level Check
Fuel Hose Assembly
Yamaha Engine Owner’s Manual Packet
Yamaha Yamalube 4M Engine Oil
Yamaha Standard 3-Year Warranty
*** Does not include fuel tank.
F20LMHB Specifications
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Engine Type
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2 Cylinder
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Displacement
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432 CC
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Bore x Stroke
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65 x 65.1mm (2.554 x
2.558 in)
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Prop Shaft Horsepower
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20hp @ 5500 rpm
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Full Throttle RPM
Range
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5000 ~ 6000 rpm
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Compression Ratio
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9.3:1
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Fuel Induction
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EFI
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Exhaust
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Through Propeller
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Intake
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4
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Ignition
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CDI
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Spark Plug
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DPR-6EB90-00-00
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Alternator Output (at
WOT)
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16 Amp
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Starting System
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Manual or Electric
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Lubrication
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Wet Sump
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Engine Oil Capacity
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1.1L/1.0L w/without
filter
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Cooling
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Thermostatic Control
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Recommended Engine Oil
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Yamalube® 4M
(See owner's manual)
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Recommended Fuel
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Regular Unleaded
(Minimum Pump Octane 87)
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External Fuel
Filtration
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Yamaha Mini 10-Micron
Fuel/Water Separating Filter
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Ethanol Blend Limit
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10% Maximum
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Gear Ratio
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2.00:1
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Gear Shift
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Forward, Neutral,
Reverse
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Shaft Length
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L=20"
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Degree of Tilt
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62°- 63°
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Degree of Trim
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-3° through +16°
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C.A.R.B. Rating
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3-Star
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Dry Weight
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F20LMHB 65kg (143 lbs)
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Steering Angle
(maximum)
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45° from center,
either direction
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Warranty
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3-Year Limited
Pleasure Boat/1-Year Limited Commercial
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