Saved from the metal recycling yard - Honda GX390 Startup

I saved this Honda GX390 from my local metal recycling yard. I paid $16 for this beauty. This is the first start-up. I did clean the carburetor and gave it some fresh oil.
Some specs for those who like it.
CYLINDER SLEEVE TYPE - Cast iron sleeve
BORE X STROKE - 88 x 64 mm
DISPLACEMENT - 389 cm³
COMPRESSION RATIO - 8.2 : 1
NET POWER - 8.7 kW ( 11.7 HP ) / 3600 rpm
CONT. RATED POWER - 6.4 kW ( 8.6 HP ) / 3000 rpm
7.0 kW ( 9.4 HP ) / 3600 rpm
MAX. NET TORQUE - 26.5 Nm ( 2.7 kgfm ) / 2500 rpm
IGNITION SYSTEM - Digital CDI with variable ignition timing
STARTER - Recoil (el. start optional)
FUEL TANK CAPACITY - 6.1 Liter
FUEL CONS. AT CONT. RATED POWER - 3.5 L/h - 3600 rpm
ENGINE OIL CAPACITY - 1.1 Liter
DIMENSIONS - (L X W X H)406 x 460 x 448 mm
DRY WEIGHT - 31.7 kg
www.honda.co.za/power/gx390

[@jamesagyei4357]

Bought my recently and my spark plugs got burnt after two days and it consumes too much fuel. Any reason or help

[@TheEngineGent]

The carburetor probably needs adjustment, its running rich. Most carburetors have adjustment screws to adjust fuel/air mixture.