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52.4mm Cylinder Head Gasket Set for 110cc 125cc 4-Stroke Engine - Pit Dirt Bike ATV
52.4mm Cylinder Head Gasket Set for 110cc 125cc 4-Stroke Engine - Pit Dirt Bike ATV
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Product Overview
Restore your engine's peak performance with this high-grade 52.4mm cylinder head gasket set. Designed specifically for 4-stroke 110cc and 125cc horizontal engines, this kit provides a superior seal to prevent compression loss and fluid leaks. Engineered with heat-resistant materials, it ensures long-lasting reliability for off-road adventures and heavy-duty use.
Product Compatibility
This gasket set is compatible with a wide range of Chinese-manufactured 4-stroke engines and the following vehicle models:
| Vehicle Type | Compatible Brands | Common Models | Engine Type |
| Dirt / Pit Bikes | SSR, Apollo, Coolster, Piranha | SR110, SR125, TR110, Rocket | YX125 / 110cc Horizontal |
| Mini Trails | Honda (Clones), Skyteam | CT70 Trail, Z50, Monkey Bike | 4-Stroke 110cc |
| ATVs / Quads | TaoTao, Peace Sports, Mountopz | 110cc Utility ATV, Boulder B1 | 4-Stroke 110cc |
| Go Karts | Coleman, TrailMaster, Kandi | 110cc Go Kart, GK110 | 4-Stroke 110cc |
| Scooters | Roketa, Kazuma, Sunl | 110cc/125cc Gas Scooters | 1P52FMH Engine |
Specifications
| Feature | Details |
| Cylinder Diameter | 52.4mm (2.1 inches) |
| Engine Type | 4-Stroke Single Cylinder |
| Compatible Displacements | 110cc, 125cc (Horizontal) |
| Material | High-Temp Steel & Reinforced Composite |
| Installation | Direct Bolt-On Replacement |
Key Features
- Superior Leak Protection: Crafted from high-quality materials resistant to high temperatures and oil corrosion, preventing air, oil, and water leakage.
- Engineered Precision: Each component is manufactured to exact tolerances, ensuring a perfect fit and significantly reducing engine vibration and running noise.
- Optimal Compression: Maintains a tight seal to ensure maximum compression efficiency, helping to restore lost horsepower and engine stability.
- High-Intensity Durability: Designed to withstand high-pressure operation over long durations, effectively extending the overall service life of your engine.
- Complete Overhaul Kit: Includes all necessary overhead valve gaskets and cylinder gaskets for a hassle-free rebuild or upgrade without needing extra parts.
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Fitment FAQ
Will this part fit my specific model and year?
This cylinder piston kit is intended for Vehicle Type; Compatible Brands; Common Models; Engine Type; Dirt / Pit Bikes; SSR, Apollo, Coolster, Piranha; SR110, SR125, TR110, Rocket. Key physical/spec details from the product data include Cylinder Diameter: 52.4mm (2.1 inches), 52.4mm, 110cc. 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 SSR SR110/SR125/TR110 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 Cylinder Diameter: 52.4mm (2.1 inches), 52.4mm, 110cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
My kids are hard on their dirtbikes and 4 wheelers. Over time the 4 head bolts back out. While tightening them weekly helps, it also weakens the gaskets and you lose compression (i.e harder to start and less power). This fits my sons 110cc dirtbike and my daughters 107 4 wheeler