Build your dream mini chopper or motorcycle with the RETROL R29 4.2cc V-Twin engine! This meticulously crafted engine features an OverHead Valve (OHV) design, delivering impressive power and efficiency in a compact size. Ideal for hobbyists, DIY enthusiasts, and anyone looking to add a touch of classic V-Twin performance to their miniature builds. Experience the rumble and thrill of a V-Twin in a smaller package.

• Compact & Powerful: 4.2cc V-Twin Engine delivers surprising power.
  
• OHV Design: Improved efficiency and performance.
  
• Classic V-Twin Sound: Enjoy the iconic V-Twin rumble.
  
• Perfect for Mini Builds: Ideal for mini choppers, motorcycles, and other small projects.
  
• Durable Construction: Built to last with quality materials.