40mm Cylinder Rebuild Kit with Piston for 2-Stroke 43cc Scooter Pocket Bike Mini

Product Overview

Boost your mini bike's performance with the GOOFIT 40mm Cylinder Rebuild Kit. Engineered specifically for 2-stroke 43cc engines, this complete kit features a precision-forged piston designed to increase compression and power output. Whether you're replacing a worn-out cylinder or looking for a speed upgrade, this kit provides the durability and acceleration you need for peak performance.

Product Compatibility

This kit is a standard replacement for most Chinese-manufactured 2-stroke 43cc small engines.

Vehicle Category	Common Applications	Compatible Brands
Pocket Bikes	43cc Mini Gas Scooters	TaoTao, Motovox, Razor (Gas models)
Mini Dirt Bikes	43cc Pit Bikes / Mini MX	Coolster, SSR, Apollo
Utility / Fun	Stand-up Scooters, Mini Quads	Various unbranded 2-stroke models

Specifications

Attribute	Details
Engine Type	2-Stroke
Displacement	43cc
Cylinder Bore	40mm / 1.58"
Cylinder Height	95mm / 3.74"
Piston Pin Size	Diameter: 10mm / 0.4"; Length: 33mm / 1.3"
Material	High-Grade Aluminum Alloy & Forged Steel

Key Features

• Precision 40mm Bore: Perfectly honed to 40mm to ensure maximum airtightness and optimal compression for 43cc 2-stroke engines.
• Enhanced Power Output: Features a precision-forged piston that improves the compression ratio, leading to noticeably faster acceleration and higher top speeds.
• Superior Durability: Constructed from high-strength materials designed to withstand the high temperatures and high RPMs of 2-stroke racing.
• Complete Rebuild Solution: Includes the cylinder block, piston, rings, wrist pin, and clips—everything needed for a top-end engine overhaul.
• Standardized Fitment: Designed as a direct bolt-on replacement for common gas scooters and pocket bikes, ensuring a straightforward installation process.