VintCo top end piston kit for the 1985-1986 Honda ATC250R, supplied in 66.5 mm (+0.5 mm over) size for top-end rebuild work. The kit includes a piston, rings, pin, clips, wrist pin bearing, and a full top-end gasket set comprising head, base, intake, and exhaust gaskets. Components are manufactured using modern materials and processes for OEM-level or better fitment and performance. The kit price includes a 10% saving compared with purchasing the components individually.

Features

• Complete top-end rebuild kit
• Includes piston, rings, pin and clips
• Includes wrist pin bearing
• Includes full top-end gasket kit
• Gasket set includes head gasket, base gasket, intake gaskets and exhaust pipe gasket
• OEM part numbers provided for fitment reference
• Additional size options available

Specifications

• VintCo Part Number: KTH22-0.5
• Product type: Top end piston kit
• Nominal piston size: 66.5 mm
• Oversize: +0.5 mm
• Piston diameter: 66.44 mm
• Piston clearance: 0.06 mm
• Piston construction: Forged
• Country of manufacture: Germany
• Piston coating: MOS2

Cross-Reference OEM Part Numbers

• Head gasket: 12254-KS7-881
• Base gasket: 12191-HA2-306
• Intake gasket: 14132-KAE-000
• Intake gasket: 14133-430-306
• Exhaust pipe gasket: 18291-430-306

Vehicle Fitments

• 1985 Honda ATC250R
• 1986 Honda ATC250R