GOOFIT
52.4mm Iron Cylinder & Piston Rebuild Kit (14mm Pin) for Lifan 125cc LF125 Horizontal Engine Dirt Pit Bike ATV
52.4mm Iron Cylinder & Piston Rebuild Kit (14mm Pin) for Lifan 125cc LF125 Horizontal Engine Dirt Pit Bike ATV
5.0 / 5.0
(2) 2 total reviews
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Product Overview
Restore the legendary reliability of your Lifan motor with the GOOFIT Heavy-Duty Iron Cylinder Rebuild Kit. Specifically engineered for the Lifan 125cc LF125 horizontal engine, this kit features a high-strength cast-iron block for superior wear resistance. Unlike universal 125cc kits, this set includes a 14mm flat-top piston, providing a precision match for Lifan's unique specifications. It is the ultimate "one-time solution" for fixing low compression, oil burning, and power loss.
Product Compatibility
⚠️ CRITICAL FITMENT CHECK: > * ONLY fits Lifan 125cc (LF125) horizontal engines. > * NOT compatible with standard 110cc engines (which use 13mm pins) or other 125cc brands.
- Please verify your original piston pin is 14mm before purchasing.
Specifications
| Attribute | Technical Details & Measurements |
| Engine Model | Lifan 125cc LF125 (Horizontal) |
| Cylinder Bore | 52.4mm / 2.06" |
| Piston Pin (Wrist Pin) | OD: 14mm / 0.55" |
| Piston Type | Flat Top (Precision Forged) |
| Cylinder Material | High-Strength Cast Iron |
| Bolt Hole Spacing | 50mm / 1.97" |
| Kit Includes | Iron Cylinder, Forged Piston, Rings, 14mm Pin, Clips, Gaskets |
Key Features
- Heavy-Duty Iron Construction: The cylinder block is crafted from high-density cast iron, offering exceptional durability and resistance to deformation under prolonged high-load and high-pressure operation.
- Precision Forged Piston: Features a high-temperature resistant forged piston that handles extreme combustion chamber heat better than standard cast alternatives.
- Restore Strong Power: Designed to eliminate common issues like oil burning and pressure loss, helping your engine regain its original torque and smooth idling characteristics.
- Lifan-Specific 14mm Fitment: Tailor-made for the LF125's larger pin requirement, ensuring a perfect connection with the crankshaft without excess vibration or play.
- All-In-One Solution: Comes as a complete set including gaskets and hardware, eliminating the need for separate parts procurement and ensuring a faster, leak-free installation.
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Fitment FAQ
Will this part fit my specific model and year?
This cylinder piston kit is intended for ⚠️ CRITICAL FITMENT CHECK: > * ONLY fits Lifan 125cc (LF125) horizontal engines. > * NOT compatible with standard 110cc engines (which use 13mm pins) or other 125cc brands.; Please verify your original piston pin is 14mm before purchasing.. Key physical/spec details from the product data include Please verify your original piston pin is 14mm before purchasing., Cylinder Bore: 52.4mm / 2.06", Piston Pin (Wrist Pin): OD: 14mm / 0.55". Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this cylinder piston kit, also compare the bore diameter, piston-pin size, gasket pattern, stud spacing, engine code, stroke type, and cylinder height. This is especially important for Lifan LF125 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this cylinder piston kit for machines outside the listed compatibility, or for units with different bore sizes, piston-pin diameters, stroke lengths, stud spacing, or gasket patterns. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the bore diameter, piston-pin size, gasket pattern, stud spacing, engine code, stroke type, and cylinder height. Recheck listed specs such as Please verify your original piston pin is 14mm before purchasing., Cylinder Bore: 52.4mm / 2.06", Piston Pin (Wrist Pin): OD: 14mm / 0.55". If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Good
Quality product, with no curve-balls on install. It looks, feels, and performs exactly like it came out of the same factory as the original.