Product Review
GX390-QA2 is an OHV horizontal shaft lightweight engine. Overhead Valve design offers cooler, fuel-efficient operation and cast iron cylinder sleeve provides longer service life. Common uses include: powering air compressors, water pumps, pressure washers, and medium sized construction equipment. Specifications: 389cc 1" diameter crankshaft 3.5" X 2.5" bore stroke 8.2:1 compression ratio Recoil starting system 6.4 quart fuel tank



