Unleash the Power: RETROL R29 4.2CC Miniature V-Twin OHV Engine for Mini Choppers & Motorcycles

Title: RETROL R29 4.2CC Miniature V-Twin OHV Engine - Ready-to-Run for Mini Chopper Bikes & Motorcycles (1/5 Scale)

Availability: In Stock. Orders ship within 2 working day.

Description:

Bring your miniature motorcycle or mini chopper project to life with the stunning RETROL R29 4.2cc Miniature V-Twin Engine. Inspired by the iconic Knucklehead motorcycle engines of the 1970s, this 1/5 scale model beautifully captures the spirit of vintage power in intricate detail.

Featuring classic V-Twin architecture and an efficient OverHead Valve (OHV) design, this engine isn't just for display. It's a fully functional, ready-to-run miniature powerhouse crafted from premium brass and stainless steel. Admire the authentic details, from the retro body lines and air-cooling fins to the new carburetor and functioning throttle linkage.

Mounted on a sturdy wooden base for easy operation and display, this engine includes the necessary electronic ignition system, making it accessible even for novice model enthusiasts. Simply add fuel (Gasoline/Oil Mix) and power (3x AA batteries - not included), and prepare to be amazed by the smooth operation and satisfying rumble of this miniature V-Twin.

Whether you're a dedicated model engine collector, a DIY builder, or looking for an exceptional high-end gift, the RETROL R29 V-Twin offers a unique blend of mechanical beauty and functional performance.

Key Features:

• Authentic V-Twin Design: Based on the classic 1970s Knucklehead engine, it is scaled down to 1/5.
  
• OHV Functionality: Features an OverHead Valve (OHV) structure for efficient performance.
  
• Ready-to-Run: Comes fully assembled with electronic ignition – just add fuel and batteries (3x AA, not included).
  
• High-Quality Materials: Precision crafted from durable brass and stainless steel.
  
• Detailed Replication: Features realistic air-cooling, carburetor, and throttle linkage.
  
• Easy Operation & Display: Includes a stable wooden base for running and showcasing.
  
• Powerful Miniature: 4.2cc displacement delivers impressive performance for its size.
  
• Perfect for Projects & Collectors: Ideal for mini chopper/motorcycle builds or as a collectible masterpiece.
  

Important Notes:

1. Starting: If the engine doesn't start with normal ignition and compression, a slight adjustment of the carburetor needle may be required.
   
2. Carburetor Tuning: Tighten the main fuel needle, then loosen it by 1/4 turn. Start the flywheel. Repeat pulling the flywheel several times to achieve the optimal fuel-air mixture.
   
3. Shutdown: Always turn off the power switch when the engine stops.
   

Specifications:

• Material: Brass + Stainless Steel
  
• Item No: R29
  
• Color: Silver
  
• Scale: 1/5
  
• Form: Ready to Run
  
• Type: V-Twin Four-Stroke Gasoline Engine (OHV)
  
• Displacement: 4.2cc
  
• Cylinder Diameter: 13mm
  
• Stroke: 16mm
  
• Cooling Mode: Air Cooling
  
• Starting Mode: Manual Pull Start / Electric Drill Start Compatible
  
• Ignition Method: Electronic Ignition Module (CDI)
  
• Spark Plug Type: 1/4-32 Thread ME8 Spark Plug
  
• Lubrication Method: Mixed Lubrication (Gasoline/Oil Ratio = 25:1)
  
• Fuel Type: 95# Grade Gasoline or higher
  
• Engine Oil Type: 2T (2-Stroke) Engine Oil
  
• Starting Power: 4.5V (3 x AA Batteries, Not Included)
  
• Engine Dimensions: 120 x 80 x 110mm
  
• Wooden Base Dimensions: 150 x 120 x 30mm
  
• Product Dimensions (Total): 15 x 12 x 14cm
  
• Product Weight: 1650g
  
• Package Dimensions: 20 x 20 x 20cm
  
• Package Weight: 1850g
  
• Packing: Carton Box
  
• Suitable Age: 14+