TOP END PISTON KIT 81-84 HONDA ATC R 250 71.5mm 1.5mm OVER VINTCO KTH21-1.5

VintCo top end piston kit KTH21-1.5 is a complete rebuild kit for 1981-1984 Honda ATC250R models. It includes a piston kit with piston, rings, pin and clips, a wrist pin bearing, and a full top-end gasket set covering the head, base, intake and exhaust. Produced using modern manufacturing techniques for OEM-equivalent fitment and performance, this kit is supplied in a 71.5 mm (+1.5 mm over) size, with additional size options also available.

Features

• Complete top-end rebuild kit
• Includes piston, rings, pin and clips
• Includes wrist pin bearing
• Includes full top-end gasket kit
• Covers head, base, intake and exhaust gasket positions
• Intended to simplify top-end rebuild work
• OEM part number cross-reference provided for exact fitment verification
• MOS2 coating supports running-in
• Kit price is 10% lower than purchasing the items individually
• Produced for OEM-equivalent fitment and performance

Specifications

• VintCo Part Number: KTH21-1.5
• Piston nominal size: 71.5 mm
• Piston size: 71.44 mm
• Oversize: +1.5 mm
• Piston clearance: 0.06 mm
• Piston construction: Forged
• Piston coating: MOS2
• Country of 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