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47mm Piston Kit Assembly for 70cc 4-Stroke Horizontal Engine
47mm Piston Kit Assembly for 70cc 4-Stroke Horizontal Engine
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Product Overview
This premium 47mm Piston Kit is a professional-grade replacement designed for 70cc 4-stroke horizontal engines. It is the ideal solution for restoring engine compression and smooth operation in small-displacement ATVs, Dirt Bikes, and Scooters, ensuring long-lasting performance under various riding conditions.
Product Compatibility
Optimized for 70cc "Honda-style" horizontal engines (typically found in small Chinese and Japanese off-road vehicles).
| Vehicle Type | Common Compatible Models |
| ATV / Quad | TaoTao, Buyang, Coolsport, Kazuma, Sunl, Roketa (70cc Models) |
| Dirt Bike | Honda CRF70, XR70, CT70 Replicas, SSR 70, Coolster 70cc |
| Scooter / Moped | 70cc Horizontal Engine Mopeds |
| Engine Style | 70cc 4-Stroke Horizontal (C70/CRF70 Layout) |
Specifications
| Component | Metric Measurement | Imperial Measurement |
| Piston Diameter | 47mm | 1.85" |
| Wrist Pin Diameter | 13mm | 0.51" |
| Wrist Pin Length | 38mm | 1.49" |
| Engine Type | 4-Stroke Horizontal | -- |
| Material | High-Toughness Aluminum Alloy | -- |
Key Features
- Optimized Thermal Management: Engineered with a specialized heat-dissipating structure to maintain stable performance and prevent overheating during extended use.
- Corrosion & Rust Resistance: Constructed from high-strength materials that resist oxidation and chemical wear, ensuring a longer service life.
- Precision Sealing: Includes a complete set of high-toughness piston rings designed to minimize oil consumption and maximize engine compression.
- Restore Engine Efficiency: Precision-machined 47mm bore size ensures a perfect fit, effectively improving fuel economy and power output.
- Comprehensive Rebuild Kit: Each package includes the 47mm piston, wrist pin, compression rings, and circlips for a quick and reliable top-end overhaul.
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Fitment FAQ
Will this part fit my specific model and year?
This cylinder piston kit is intended for Optimized for 70cc "Honda-style" horizontal engines (typically found in small Chinese and Japanese off-road vehicles).; Vehicle Type; Common Compatible Models; ATV / Quad; TaoTao, Buyang, Coolsport, Kazuma, Sunl, Roketa (70cc Models); Dirt Bike; Honda CRF70, XR70, CT70 Replicas, SSR 70, Coolster 70cc. Key physical/spec details from the product data include Piston Diameter: 47mm, Wrist Pin Diameter: 13mm, Wrist Pin Length: 38mm. 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 Honda/Roketa/TaoTao CRF70/XR70/CT70 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 Piston Diameter: 47mm, Wrist Pin Diameter: 13mm, Wrist Pin Length: 38mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.