TOP END PISTON KIT 81-84 HONDA ATC R 250 70.5mm 0.5mm OVER VINTCO KTH21-0.5
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Delivery to United States 5–8 business days
VintCo KTH21-0.5 is a top-end piston kit featuring a 70.5 mm nominal bore size and a +0.5 mm oversize piston. The kit includes a forged, MOS2-coated piston, rings, pin, clips, top-end bearing, and a full gasket set comprising head, base, intake, and exhaust pipe gaskets. Manufactured in Germany, this kit utilizes modern materials for fitment and performance comparable to OEM. Specifications include a 70.44 mm piston diameter, 0.06 mm piston clearance, and VintCo part number KTH21-0.5. OEM cross-reference part numbers for gaskets are 12254-961-010 (head), 12191-961-306 (base), 14132-KAE-000 and 14133-430-306 (intake), and 18291-961-306 (exhaust pipe). Other size options are available.
- SKU
- VIN-KTH21-0.5
- Brand
- Vintco
- Availability
- Out of Stock
Fitments (4)
| Make | Model | Year |
|---|---|---|
| HONDA | ATC R 250 | 1981 |
| HONDA | ATC R 250 | 1982 |
| HONDA | ATC R 250 | 1983 |
| HONDA | ATC R 250 | 1984 |
- SKU
- VIN-KTH21-0.5
- Brand
- Vintco
- Availability
- Out of Stock
FULL DESCRIPTION
VintCo Top End Piston Kit - 70.5mm 0.5mm Oversize
Restore the performance of your motorcycle's engine with this comprehensive VintCo Top End Piston Kit. Designed as a complete rebuild package, this kit ensures you have all the necessary components for a successful top-end overhaul. Manufactured using modern materials and advanced production methods, this kit provides OEM-comparable fitment and performance, bringing your engine back to its optimal running condition.
Key Features:
- Complete top-end rebuild kit for a full engine overhaul.
- Includes piston, rings, pin, and clips for a ready-to-install assembly.
- Comes with a top-end bearing, also known as a wrist pin bearing.
- Features a full top-end gasket set for a perfect seal.
- Specific gaskets included: head gasket, base gasket, intake gaskets, and exhaust pipe gasket.
- The piston is coated with MOS2 to aid in the running-in process, promoting longevity and smooth operation.
- Constructed from forged aluminum for superior strength and durability.
- Piston clearance is precisely set at 0.06 mm for optimal performance.
- Kit offers a significant cost saving compared to purchasing individual components.
- Available in additional size options to meet specific engine requirements.
- Manufactured in Germany, ensuring high-quality engineering and production standards.
Specifications:
- Product Type: Top End Piston Kit
- Nominal Bore Size: 70.5 mm
- Piston Diameter: 70.44 mm
- Oversize: +0.5 mm
- Piston Coating: MOS2
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