V12 Model Engine | MCU

First working miniature V12 model engine in the world, 50CC displacement, four stroke, full supported crankshaft, auto-advancing ignition system, water cooled and splash oiling


* The prices do not include duties and taxes. They will be charged when goods arrive at your local customs.

This is the first working miniature V12 engine in the world created by Chuan Qi Precision. It is a four stroke model engine in single overhead camshaft structure, comes with full supported crankshaft and camshafts, and an electronic auto-advancing ignition system, no misfiring. This is a real gasoline engine, having powerful output, and could be used on rc applications like cars, trucks, boats and tanks.


  • Dimension: 216 (L) x 161 (W) x 159 (H) mm
  • Weight: 4.5kg
  • Type: Single Over Head Cam, 24 Valves, four stroke
  • Fuel: Gasoline
  • Stroke: 18mm
  • Bore: 16.68mm
  • Compression Ratio: 9.5
  • Displacement: 49.89CC
  • Rev Speed: 2000~12000rpm
  • Spark Plugs: Iridium Spark Plugs
  • Cooling: Water Cooling & Dry Sleeve, Gear Water Pump
  • Lubrication: Splash Oiling with oil passage
  • Starter: Brushless Start Motor
  • Piston: Aluminum Alloy, Dual Ring
  • Ring: 1 × Ductile Ring & 1 × Fluorine Rubber Ring
  • Firing Order: 1-9-4-11-2-7-6-10-3-8-5-12
  • Crankshaft & Camshaft: One-Piece, Alloy Steel, Fully Supported
  • Carburettor: Big Dint, four stroke type
  • Others: reserved ports for upgrading to independent lubrication


  • Gears, crankshaft, camshafts, cylinder sleeve are made of steel
  • Engine block, pistons, piston rods are made of aluminum alloy
  • Valve spring is made of spring steel


V12 Model Engine Structure


V12 Engine DiagramV12 Engine DiagramV12 Engine Diagram


Operation Instructions (MCU) Download
Engine Dimension Download
Water Inlets & Outlets Download


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