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Honda Horizontal Engine: GX120-AR with Rammer Engine

A 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:edgers, pumps, small construction equipment, reel-type lawn mowers and rammers (compaction equipment).

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!

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Product Specifications:
Engine Type Air-Cooled, 4-Stroke OHV PTO Shaft Rotation Counterclockwise
Bore Stroke 2.4" X 1.7" Compression Ratio 8.5:1
Displacement 118 cc Carburetor Float
Net Power Output 3.5 HP @ 3600 RPM Max. RPM 3600
Net Torque 5.4 @ 2500 RPM Starting System Recoil
Crankshaft Diameter 3/4" Lubrication System Splash
Crankshaft Length 2-7/16" Governor System Mechanical
Crankshaft End Tapped Size tapped 5/16"-24 UNF Air Cleaner Dual Element
Crankshaft Keyway Width 1/4" Muffler Included
Oil Capacity 0.59 quarts 3 year limited manufacturer's warranty

Fuel Tank Capacity 2.1 quarts 30 lbs. shipping weight

Alternate Model Numbers:

  • GX120UT2AR
  • GX120AR
  • GX120UT1AR

No Sales Tax!

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