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Image for G231 Heli Engine with WT-643 carburetor from HorizonHobby
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Key Features

  • Single-cylinder 2-stroke gas engine
  • Better power and performance with no increase in cylinder volume
  • User-friendly and easy to start and adjust
  • Easy conversion for existing helis
  • 20% increase in horsepower
  • Displacement: 22.5cc
  • Magneto-driven CDI ignition system

Overview

Zenoah aircraft engines are famous throughout the modeling world for their outstanding power and exceptional reliability. These same qualities can be found in their new G-231, 23cc heli engine as well.

It boasts approximately 20% more horsepower than its predecessor, the G-23 Heli, and is simple to start and adjust. It shares the same overall mounting dimensions as the older version, as well, so upgrading is easy.

Bore: 1.30 in (32.00 mm)
Carb Type: WT644/WT643
Crank Type: Ball Bearing
Crankshaft Threads: M8 x 1.25mm
Cylinder Type: Ring
Displacement: 1.37 cu. in. (22.50 cc)
Engine (Only) Weight: 56 oz
Engine Type: 2-Stroke
HP: 2.2
Muffler Type: Can
RPM Range: 3000 - 11000
Stroke: 1.10 in (28.00 mm)

Parts Listing

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Zenoah Insulator ZEN114813162
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Zenoah Plug Cap/Red ZENT207572210
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Zenoah G23RC Piston ZENT207041110
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Zenoah Key: G20EI ZEN100043240
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Optional Accessories

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Warranty Period:

What this Warranty Covers:
Horizon Hobby, Inc., (Horizon) warrants to the original purchaser that the product purchased (the "Product") will be free from defects in materials and workmanship for a period of 3 years from the date of purchase.

 

Limited Warranty:

What is Not Covered:
This warranty is not transferable and does not cover (i) cosmetic damage, (ii) damage due to acts of God, accident, misuse, abuse, negligence, commercial use, or due to improper use, installation, operation or maintenance, (iii) modification of or to any part of the Product, (iv) attempted service by anyone other than a Horizon Hobby authorized service center, or (v) Products not purchased from an authorized Horizon dealer.

OTHER THAN THE EXPRESS WARRANTY ABOVE, HORIZON MAKES NO OTHER WARRANTY OR REPRESENTATION, AND HEREBY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER’S INTENDED USE.

Purchaser’s Remedy:
Horizon’s sole obligation and purchaser’s sole and exclusive remedy shall be that Horizon will, at its option, either (i) service, or (ii) replace, any Product determined by Horizon to be defective. Horizon reserves the right to inspect any and all Product(s) involved in a warranty claim. Service or replacement decisions are at the sole discretion of Horizon. Proof of purchase is required for all warranty claims. SERVICE OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY.

Limitation of Liability:
HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY, REGARDLESS OF WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY OR ANY OTHER THEORY OF LIABILITY, EVEN IF HORIZON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Further, in no event shall the liability of Horizon exceed the individual price of the Product on which liability is asserted. As Horizon has no control over use, setup, final assembly, modification or misuse, no liability shall be assumed nor accepted for any resulting damage or injury. By the act of use, setup or assembly, the user accepts all resulting liability. If you as the purchaser or user are not prepared to accept the liability associated with the use of the Product, purchaser is advised to return the Product immediately in new and unused condition to the place of purchase.

Law:
These terms are governed by Illinois law (without regard to conflict of law principals). This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Horizon reserves the right to change or modify this warranty at any time without notice.


WARRANTY SERVICES

Questions, Assistance, and Services:
Your local hobby store and/or place of purchase cannot provide warranty support or service. Once assembly, setup or use of the Product has been started, you must contact your local distributor or Horizon directly. This will enable Horizon to better answer your questions and service you in the event that you may need any assistance. For questions or assistance, please fill out our inquiry form, or call 877.504.0233 toll free to speak to a Product Support representative. You may also find information on our website at www.horizonhobby.com.  

Inspection or Services:
If this Product needs to be inspected or serviced, please use the Horizon Online Service Request submission process found on our website or call Horizon to obtain a Return Merchandise Authorization (RMA) number. Pack the Product securely using a shipping carton. Please note that original boxes may be included, but are not designed to withstand the rigors of shipping without additional protection. Ship via a carrier that provides tracking and insurance for lost or damaged parcels, as Horizon is not responsible for merchandise until it arrives and is accepted at our facility. An Online Service Request is available at http://www.horizonhobby.com under the Support tab. If you do not have internet access, please contact Horizon Product Support to obtain a RMA number along with instructions for submitting your product for service. When calling Horizon, you will be asked to provide your complete name, street address, email address and phone number where you can be reached during business hours. When sending product into Horizon, please include your RMA number, a list of the included items, and a brief summary of the problem. A copy of your original sales receipt must be included for warranty consideration. Be sure your name, address, and RMA number are clearly written on the outside of the shipping carton.

NOTICE: Do not ship LiPo batteries to Horizon. If you have any issue with a LiPo battery, please contact the appropriate Horizon Product Support office.

Warranty Requirements:
For Warranty consideration, you must include your original sales receipt verifying the proof-of-purchase date. Provided warranty conditions have been met, your Product will be serviced or replaced free of charge. Service or replacement decisions are at the sole discretion of Horizon.

Non-Warranty Service:
Should your service not be covered by warranty service will be completed and payment will be required without notification or estimate of the expense unless the expense exceeds 50% of the retail purchase cost. By submitting the item for service you are agreeing to payment of the service without notification. Service estimates are available upon request. You must include this request with your item submitted for service. Non-warranty service estimates will be billed a minimum of ½ hour of labor. In addition you will be billed for return freight. Horizon accepts money orders and cashiers checks, as well as Visa, MasterCard, American Express, and Discover cards. By submitting any item to Horizon for service, you are agreeing to Horizon’s Terms and Conditions found on our website http://www.horizonhobby.com/Service/Request.



United States:
Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Service Center
4105 Fieldstone Road
Champaign, Illinois 61822

All other Products requiring warranty inspection or repair should be shipped to the following address:

Horizon Product Support
4105 Fieldstone Road
Champaign, Illinois 61822


Please call 877-504-0233 or fill out our inquiry form with any questions or concerns regarding this product or warranty.

Product Support

Zenoah Support Tab

Zenoah Product Support

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

Horizon Hobby, Inc.
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, Inc.
ATTN: Consumer Sales

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