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G231 Marine Engine
  • Overview
  • Specs
  • Reviews
  • Parts & Accessories
  • Manuals & Support

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
HP: 2.2,2.2
Mounting Dimensions: 142 x 105 x 181mm
Prop Range: 65 - 75 mm
RPM Range: 3500 - 15000
Recommended Fuel: Gasoline/Oil Mix
Stroke: 1.10 in (28.00 mm),1.10 in (28.00 mm)

Parts Listing

$2.49
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$2.49
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G23 Mount Screw ZEN026210516
$2.49
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$2.49
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G23 Screw ZEN026330414
$2.49
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$7.99
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$2.49
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Screw M5X55 ZEN026330555
$2.49
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$2.49
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O-Ring 07000 13040 ZEN0700013040
$2.49
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G23M Joint ZEN0785100515
$3.49
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Key: G20EI ZEN100043240
$2.49
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$3.37
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G23RC Piston ZENT207041110
$14.48
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Spark Plug RZ7C:G26 ZENT207073110
$7.41
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Gasket, Case 23M ZENT207521140
$3.29
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$34.99
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Gasket, Carburetor ZENT207514120
$2.49
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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
$2.99
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Carburetor, WT-644 ZENT207681000
$69.99
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Cylinder ZENT207812110
$39.99  $38.99
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Plug Cap/Red ZENT207572210
$4.99
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$74.99
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G23RC Wrench Tool ZENT303991310
$4.49
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Piston Pin: G20EI ZEN110141310
$2.49
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$2.49
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Shim: G20EI ZEN114043250
$2.49
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Insulator ZEN114813162
$13.99
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Spacer 5x10x1.6 ZEN114283110
$2.49
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G23 Plate Mount ZEN115574110
$15.99
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G23 New Rotor ZEN115571110
$43.30
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$2.49
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Recoil Assembly ZEN186175101
$36.99
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$2.99
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G23H/M Pulley ZEN116075210
$3.99
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$2.49
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$89.99
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$52.99
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G38 Rear Oil Seal ZEN216921210
$3.99
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Optional Accessories

$49.49  $42.07
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Manuals

FAQs

Product Support Tips

Product Support

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

Horizon Hobby, LLC.
ATTN: Product Support

2904 Research 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

2904 Research Road
Champaign, IL 61822
Email: Sales Phone:(800) 338-4639
Fax:(217) 355-1552