I measured my fuel consumption in recent trip
Odometer distance: 591km
GPS distance: 560km
Fuel consumption (Pertamax 92 RON): 23.98L
Bike was fully loaded with pillion (88kg + 65kg). Ridden quite hard but with absolute mechanical sympathy.
Calculated fuel economy:
24.6 km/L (odometer)
23.3 km/L (GPS)