Honda GX390 QAE2 Horizontal Engine with Electric Start

Digital CDI ignition system with variable timing Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency OHV design for increased efficiency and optimal power transfer Precision engineered components result in lower vibration Large capacity, multi-chamber exhaust system, Improved camshaft and muffler reduce overall engine noise by up to 5 dB Simple throttle control, large fuel tanks, dual oil drains and fill, and easily accessible spark plug Automatic mechanical de-compression system Electric & Recoil Start with 3 Amp Charging + Digital CDI with Variable Ignition Timing 1" x 3-31/64" Straight Crankshaft with 1/4" Keyway (3/8"-24UNF 2BTAP)