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Image for 125GX 125cc Twin-Cylinder Gas Engine from HorizonHobby
125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine 125GX 125cc Twin-Cylinder Gas Engine

Key Features

  • Genuine Walbro® carburetor
  • Precision manufactured with quality parts for smooth performance
  • CNC-machined crankcase offers a smooth finish and high-quality feel
  • Common mounting pattern for firewall, propeller and muffler installation
  • Dual ball-bearing cantilevered crankshaft
  • Tremendous power-to-weight ratio
  • Purpose-built for ease of use and reliability
  • CM6 spark plug provides reliability and small footprint
  • Lightweight, 2S Li-Po compatible ignition
  • Swings up to a 29-inch, two-blade propeller

Overview

The Evolution® 125GX, 125cc twin-cylinder gasoline engine is ideal for 100cc- to 125cc-class airframes. Precision manufacturing with high-quality materials allows this engine to offer years of maintenance-free operation. Its standard dimensions make it possible to drop this impressive twin into extreme aerobatic performance airplanes such as the Hangar 9® Extra 300X 120cc ARF. Beautiful from prop hub to backplate bolt, the CNC-machined crankcase features tight-tolerances and a stunning natural finish. A genuine Walbro® carburetor provides a premium-level of reliability and optimum performance. The dual ball bearing cantilevered crankshaft helps keep engine operation smooth. The engine mount, muffler and propeller bolt patterns match a host of other popular engines in its class which means it will easily accept a wide range of aftermarket accessory solutions. The included 2S LiPo compatible ignition allows you to fit a variety of power options. When you combine its quality construction and its ability to work with your favorite accessories, the Evolution 125GX twin-cylinder gas engine has the means to make your giant scale airplane one smooth character.

Benchmark Prop: Xoar 27x12 @ 6100 RPM
Bore: 1.80 in (46.0mm)
Carb Type: Walbro
Crankshaft Threads: 6xM5x0.8mm
Cylinder Type: Nikasil plated, ringed piston
Cylinders: Twin
Displacement: 7.63 cu in (123cc)
Engine (Only) Weight: 94.6 oz (2682g)
Ignition Weight: 6.60 oz (187g)
Oil Type & Content: 32:1 Conventional or Synthetic
Plug Type: CM-6
Prop Range: 26x10 - 29x10
RPM Range: 1,000 - 7,000
Recommended Fuel: 87-93 Octane
Stroke: 1.50 in (37.0mm)
Total Weight: 101.2 oz (2869g)
Type: 2-Stroke Airplane

Parts Listing

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Optional Accessories

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FAQs

Product Support Tips

Product Support

Technical questions about this Evolution Engines product should be directed to Horizon Hobby's Product Support Department:

Horizon Hobby, LLC.
ATTN: Product Support

4105 Fieldstone Road
Champaign, IL 61822


To place a Horizon Hobby Support Inquiry please visit our Inquiry Form Support Phone:(877) 504-0233
Fax:(217) 355-1552

Sales Support

If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:

Horizon Hobby, LLC.
ATTN: Consumer Sales

4105 Fieldstone Road
Champaign, IL 61822
Email: Sales Phone:(800) 338-4639
Fax:(217) 355-1552