Honda Horizontal Engine: GX120-HX2 with 6:1 Gear Reduction

GX120-HX2 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: Cement Mixers and Water Pumps

View: GX120 Owner’s Manual

Product Features:

• Fuel efficient, high output operation – precision camshaft design offers precise valve timing, optimal valve overlap, and better fuel efficiency
  

• Smooth performance – ball bearing supported crankshaft for increased stability and lower vibration
  

• Exceptionally quiet – multi chamber exhaust; improved camshaft and muffler reduce overall engine noise by up to 5 dB
  

• Proven reliability – dual element air cleaner, cast iron cylinder sleeve, oil alert

• Emissions compliant – CARB and EPA certified

• Automatic decompression for easy starting

• 3 year limited manufacturer’s warranty included!

Product Specifications:

• Engine Type: Air-Cooled, 4-Stroke OHV
• Bore Stroke: 2.4″ X 1.7″
• Displacement: 118 cc
• Net Power Output: 3.5 HP @ 3600 RPM
• Net Torque: 5.4 @ 2500 RPM
• Crankshaft Diameter: 3/4″
• Crankshaft Length: 2-3/32″
• Crankshaft End Tapped Size: 
• Crankshaft Keyway Width: 1/4″
• Oil Capacity: 0.59 quarts
• Fuel Tank Capacity: 2.1 quarts
• PTO Shaft Rotation: Counterclockwise
• Compression Ratio: 8.5:1
• Carburetor: Float
• Max. RPM: 3600
• Starting system: Recoil
• Lubrication System: Splash
• Governor System: Mechanical
• Air Cleaner: Dual Element
• Muffler: Included
• Warranty: 3 year limited manufacturer’s warranty
• Shipping Weight: 40 lbs.

Alternate Model Numbers: 

• GX120UT2HX2

• GX120HX2