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Build an amazing sprayer system with this four-stroke 13 HP Honda engine. Ready to handle some of the best performing pumps out there, use this motor as the base of your own custom agricultural or forestry-ready rig. Simple throttle control and an easily accessible spark plug make maintenance a breeze.

The Honda 390cc GX Series OHV commercial-grade engine is designed for the most demanding commercial applications. It has set an industry standard for reliability and durability. Overhead Valve design offers cooler, fuel-efficient operation and cast iron cylinder sleeve provides longer service life. The GX is reliable, easy starting and quiet running. Meets EPA and CARB emission levels standards. This legendary engine has earned the reputation as the preferred engine for construction equipment. Common applications include pressure washers, compressors, go-karts, log splitters and chipper/shredders. 

FUEL EFFICIENT, HIGH OUTPUT OPERATION: 
-Digital CDI ignition system with variable timing 
-Increased compression ratio 
-Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency 
-OHV design for increased efficiency and optimal power transfer 
SMOOTH PERFORMANCE:
-Precision engineered components result in lower vibration 
-Ball bearing supported crankshaft for greater stability 
-Heavy duty balancer shaft 
-Improved piston design 
EXCEPTIONALLY QUIET: 
-Large capacity, multi-chamber exhaust system 
-Improved camshaft and muffler reduce overall engine noise by up to 5 dB 
-Forged steel crankshaft and rigid crankcase 
-Helical cut gears 
-Sophisticated air intake system 
PROVEN RELIABILITY: 
-Oil Alert 
-Cast iron cylinder sleeve 
-High quality materials, fit, and finish 
-Dual element air cleaner 
-Fuel Valve 
EASY TO USE AND MAINTAIN: 
-Simple throttle control 
-Large fuel tanks and automotive type fuel cap 
-Dual oil drains and fill 
-Easy, convenient, heavy duty control box 
-Easily accessible spark plug 
EASY STARTING: 
-Heavy duty recoil starter 
-Automatic mechanical de-compression system 
-Variable ignition timing 
EMISSIONS COMPLIANT: 
-CARB and EPA certified 
-No catalyst necessary

• Engine type: Air-cooled 4-stroke OHV
• Starting system: Recoil starter
• Bore x stroke: 88 X 64 mm
• Displacement: 389 cm3
• Net power output: 11.7 HP (8.7 kW) @ 3,600 rpm
• Net torque: 19.5 lb-ft (26.4 Nm) @ 2,500 rpm
• PTO shaft rotation: Counterclockwise (from PTO shaft side)
• Compression ratio: 8.2:1
• Lamp/Charge coil options: 25W, 50W / 1A, 3A, 10A, 18A
• Carburetor: Butterfly float type
• Ignition system: Digital CDI with variable timing
• Lubrication system: Splash
• Governor system: Centrifugal mass type
• Air cleaner: Dual element
• Oil capacity: 1.16 US qt (1.1 L)
• Fuel tank capacity: 6.4 U.S. qts (6.1 liters)
• Fuel: Unleaded 86 octane or higher
• Dry weight: 69 lb (31.5 kg)
• Dimensions: 16.0" L (407 mm) x 19.1" W (485 mm) x 17.7" H (449 mm)
• Warranty: 3 year commercial warranty (limited to manufacturer defects)