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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 boats
  • 20% increase in horsepower

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 marine engine as well.

It boasts approximately 20% more horsepower than its predecessors, the G-23 Marine 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), 1.30 in (32.00 mm)
Carb Type: WT644/WT643, WT644/WT643
Crank Type: Ball Bearing
Crankshaft Threads: M8 x 1.25mm
Cylinder Type: Ring
Displacement: 1.37 cu. in. (22.50 cc), 1.37 cu. in. (22.50 cc)
Engine (Only) Weight: 54 oz, 54 oz
Fuel: Gas/Oil Mix
HP: 2.2, 2.2
Mounting Dimensions: 142 x 105 x 181mm
Prop Range: 65 - 75 mm
RPM Range: 3500 - 15000
Stroke: 1.10 in (28.00 mm), 1.10 in (28.00 mm)

Parts Listing

$0.99
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$0.99
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G23 Mount Screw ZEN026210516
$0.99
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$0.99
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G23 Screw ZEN026330414
$0.99
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$7.99
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$0.99
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Screw M5X55 ZEN026330555
$0.99
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$0.99
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O-Ring 07000 13040 ZEN0700013040
$0.99
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G23M Joint ZEN0785100515
$1.78
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Key: G20EI ZEN100043240
$0.99
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$3.37
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G23RC Piston ZENT207041110
$14.48
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Gasket, Case 23M ZENT207521140
$1.94
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$27.30
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Gasket, Carburetor ZENT207514120
$1.14
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G23RC Piston Ring ZENT207041210
$4.44
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$0.86
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Jacket G260m ZENT207612210
$51.99
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O-Ring ZENT207612320
 $0.99 $1.06
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Carburetor, WT-644 ZENT207681000
$67.21
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Cylinder ZENT207812110
$38.99
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Plug Cap/Red ZENT207572210
$2.95
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$59.86
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G23RC Wrench Tool ZENT303991310
$2.86
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Piston Pin: G20EI ZEN110141310
$1.63
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$1.32
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Shim: G20EI ZEN114043250
$0.99
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Insulator ZEN114813162
$8.82
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Spacer 5x10x1.6 ZEN114283110
$1.61
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G23 Plate Mount ZEN115574110
$15.93
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G23 New Rotor ZEN115571110
$43.30
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$0.99
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Recoil Assembly ZEN186175101
$27.04
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$1.61
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G23H/M Pulley ZEN116075210
$2.71
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$0.99
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$74.16
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$42.22
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G38 Rear Oil Seal ZEN216921210
$2.31
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Optional Accessories

 $32.99 $42.99
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Manuals

FAQs

Product Support Tips

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