Honda G100K2 Applications Manual page 13

FUEL SYSTEM
FUEL CONSUMPTION
Specific fuel consumption is generally expressed in g/kWh.
Specific fuel consumption of engines can be compared by this numerical value even if the horsepower or
displacement is different.
A fuel consumption of 313g/kW.h indicates that 313 grams of fuel are consumed per one kilowatt in one hour.
Sample calculation:
Fuel consumption changes with loading, temperature and altitude. Since loading and rpm change during operation,
actual fuel consumption may differ slightly from the calculated value.
Note
Contrary to gasoline engine, the fuel (propane gas) consumption of propane engines is generally expressed in g/h.
or kg/h.
Fuel consumption when GX160 rated output is 2.8 kW / 2600 min
As shown in the following graph, the fuel required for one hour of operation at 2600 min
is 313 g/kWh x 2.8 kW = 876 g/h, assuming the specific gravity of the gasoline to be
approximately 0.73 g/cm³ (diesel fuel is 0.835 g/cm³).
876 g/h = 1200 cm³/h = 1.2 l/h
0.73 g/cm³
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