The Light Weight Engine Houtekietstraat 11
B-8540 Deerlijk, Belgium
EFFECTIVITY page 12
ALL 19-3-2019
MAIN SECTION
Technical Sheet LF39 type D-Motor Engine
Producer D-Motor, Belgium
Construction 6 cylinder boxer motor, 4 stroke
Reduction gear Non
Cooling fully liquid cooled
Control unit ECU – 12 V
8A for ECU and fuel pump required
Intake Multipoint sequential fuel injection
Ignition Double CDI, controlled by ECU
Generator 300 W/25A integrated
Bore 103.5 mm
Stroke 80 mm
Displacement 3.900 cc
Compression 8.1/1
Starter 12V - 1.1 KW integrated
Fuel pressure 2.5 – 3.0 bar (36.2 – 43.5 PSI)
Fuel regulator 2.5 bar (36.2 PSI) opening pressure, in the back flow
Fuel MOGAS Super leadless 95 ROZ, or AVGAS
Fuel filter P/N 107201
Ultra-fine filter, pressure side operated
Fuel pump Pressure 3.0 bar (43.5 PSI) 130 L/h flow
Power 125 HP at 3.100 RPM
Torque 283 Nm at 2.500 RPM
Rage of use 800 to 3100 RPM
2100 u/min to 2800 u/min in Cruise
Lubrication Dry sump
Oil pump Pump driven by camshaft
Oil pressure 1.5 - 5.0 bar (21.7 – 72.5 PSI)
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