52.4mm Aluminum Cylinder & Piston Kit for Lifan 125cc LF125 Horizontal Engine (14mm Pin)

Product Overview

Restore the legendary power of your Lifan engine with the GOOFIT 52.4mm Premium Aluminum Cylinder Rebuild Kit. Specifically engineered for the Lifan 125cc LF125 horizontal engine series, this kit is not a universal 125cc part—it is a precision-match component. Featuring a lightweight aluminum cylinder for superior cooling and a 14mm flat-top piston with a wear-resistant coating, this kit ensures your pit bike or ATV maintains peak performance under the most demanding conditions.

Product Compatibility

⚠️ CRITICAL FITMENT NOTE: > * ONLY compatible with Lifan 125cc (LF125) engines. > * NOT compatible with other brands of 125cc engines (Zongshen, Loncin, etc.).

14mm PIN: Verify your piston pin diameter is exactly 14mm before ordering.

Engine Brand	Model	Fitment Status
Lifan	125cc LF125	Perfect Fit
Other Brands	Generic 125cc	Not Compatible
Piston Style	52.4mm Flat Top	Check Original

Specifications

Attribute	Details
Cylinder Bore	52.4mm / 2.06"
Piston Pin Diameter	14mm / 0.55" (Special Size)
Bolt Hole Spacing	50mm / 1.97"
Piston Type	Flat Top
Material	Premium Aluminum Alloy
Engine Layout	Horizontal

Key Features

• Lifan-Specific Engineering: Tailor-made for the LF125 series to ensure perfect port alignment and compression ratios, eliminating the performance issues of "universal" kits.
• Premium Aluminum Construction: Crafted from high-grade aluminum alloy which provides significant weight reduction and vastly superior heat dissipation compared to traditional cast-iron cylinders.
• Wear-Resistant Coated Piston: The included flat-top piston features a specialized anti-friction coating, allowing it to withstand extreme temperatures and prolonging the engine's service life.
• Stable High-Load Performance: The precision-honed cylinder walls and perfectly matched rings provide an exceptional seal, ensuring reliable power delivery during high-speed off-road riding.
• Complete Top-End Gaskets: Includes all necessary gaskets to ensure a leak-proof rebuild, allowing for a professional-grade installation right out of the box.