44mm Big Bore Cylinder Kit with 12mm Piston Pin for 2-Stroke 43cc 47cc 49cc Mini Pocket Bike

Product Overview

Revitalize your mini scooter's engine with the GOOFIT 44mm Big Bore Cylinder Assembly. Specifically engineered for 2-stroke 43cc, 47cc, and 49cc engines, this kit is the ideal choice for riders seeking a reliable top-end replacement. Featuring a robust 12mm wrist pin and precision-machined components, it ensures a perfect seal and enhanced combustion efficiency, bringing your engine back to life with improved stability.

Product Compatibility

This 44mm kit is a direct replacement for 2-stroke small engines using a 12mm piston pin.

Vehicle Category	Compatibility	Engine Note
Mini Scooters	Gas Scooters, Stand-up Scooters	Fits 43cc-49cc Motors
Pocket Bikes	Mini Superbikes & Pit Bikes	Must verify 12mm Pin
Mini Quads / ATV	Kids ATVs & 4-Wheelers	High-Durability Materials

Specifications

Attribute	Details
Cylinder Bore	44mm / 1.7"
Piston Pin Outer Diameter	12mm / 0.47" (Critical Size)
Engine Type	2-Stroke Air-Cooled
Displacement Range	43cc, 47cc, 49cc
Included Components	Cylinder, Piston, Rings, 12mm Pin, Clips, Gasket

Key Features

• Optimized 12mm Pin Fitment: Specifically designed for engines requiring a 12mm wrist pin, ensuring high-strength connectivity and reduced mechanical vibration.
• Precision Machined Durability: Each component undergoes strict quality testing and precision machining to ensure consistency, significantly reducing the failure rate under high-speed operation.
• Enhanced Combustion Efficiency: The cylinder and piston ring geometry are engineered to optimize fuel-air mixing, resulting in better fuel economy and consistent power delivery.
• Leak-Proof Gasket Seal: Includes a precise-density gasket kit that provides a reliable, airtight seal with minimal tightening effort, preventing power-robbing air leaks.
• Extended Service Life: Crafted from high-strength alloys that resist wear and thermal stress, effectively extending the interval between engine overhauls.