VintCo KTS01-00 is a new top end piston kit for the 1977–1978 Suzuki RM125, supplied with a 54.0 mm standard bore piston and the components required for a complete top-end rebuild. The kit includes the piston, rings, pin, clips, a top end bearing, and a full top-end gasket set comprising the head gasket, base gasket, intake gasket, and exhaust gasket. Components are manufactured using modern materials and production methods for OEM-equivalent fit and performance. Kit pricing is 10% lower than purchasing the listed parts individually.

Features

• Complete top-end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing
• Includes full top-end gasket kit
• Supplied with head gasket, base gasket, intake gasket and exhaust gasket
• OEM cross-reference part numbers provided for exact fitment verification
• Other size options are available

Specifications

• VintCo Part Number: KTS01-00
• Product type: Top End Piston Kit
• Standard bore size: 54.0 mm
• Piston construction: Forged
• Piston origin: Germany
• Piston coating: MoS2 break-in coating
• Piston diameter: 53.94 mm
• Piston clearance: 0.06 mm

Cross-Reference OEM Part Numbers

• Piston: 12110-41311
• Head gasket: 11141-41300
• Base gasket: 11241-41321
• Intake gasket: 13156-41100-H17
• Exhaust gasket: 14181-40200-H17
• Wrist pin bearing: 13033-035

Vehicle Fitments

• 1977 Suzuki RM125
• 1978 Suzuki RM125