VintCo top end piston kit KTH21-1.0 is a complete rebuild kit for 1981-1984 Honda ATC250R models, supplied in a 71.0 mm nominal size at +1.0 mm over. The kit includes a VintCo piston kit with piston, rings, pin and clips, a top end bearing, and a full top-end gasket set covering the head gasket, base gasket, intake gaskets and exhaust gasket. Components are produced using modern materials and manufacturing methods for OEM-equivalent fit and performance.

Features

• Complete top-end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing
• Includes full top-end gasket set
• Covers head gasket, base gasket, intake gaskets and exhaust gasket
• Designed for OEM-equivalent fit and performance
• Supplied as a combined kit with a 10% saving compared with purchasing the parts individually
• Additional size options are available

Specifications

• VintCo Part Number: KTH21-1.0
• Product Type: Top End Piston Kit
• Nominal piston size: 71.0 mm
• Oversize: +1.0 mm
• Piston diameter: 70.94 mm
• Piston clearance: 0.06 mm
• Piston construction: Forged
• Piston coating: MOS2
• Piston manufacture: Germany

Cross-Reference OEM Part Numbers

• Head gasket: 12254-961-010
• Base gasket: 12191-961-306
• Intake gasket: 14132-KAE-000
• Intake gasket: 14133-430-306
• Exhaust pipe gasket: 18291-961-306

Vehicle Fitments

• 1981 Honda ATC250R
• 1982 Honda ATC250R
• 1983 Honda ATC250R
• 1984 Honda ATC250R