This cylinder and piston kit with gaskets is intended for a top-end rebuild on the listed Yamaha DT125 models with a four-stud head. It provides the principal components needed to replace the existing cylinder and piston assembly.

Features

• Cylinder liner can be rebored.
• The original reed valve and inlet manifold may not fit the replacement cylinder and are not included.

Specifications

• Standard bore: 56.00 mm
• Inlet mounting centres: 71 × 52 mm
• Cylinder height between gasket faces: approximately 90 mm
• Piston pin centre to crown edge: approximately 35 mm
• Cylinder material: aluminium
• Liner material: cast iron

Kit Contents

• Cylinder block
• Piston, piston rings, piston pin and two pin retaining rings
• Four-hole head gasket and cylinder base gasket

Cross-Reference OEM Part Numbers

• 18G-11311-02 - Yamaha OEM - Cylinder - Kit Component
• 18G-11311-01 - Yamaha OEM - Cylinder - Related Part
• 18G-11311-00 - Yamaha OEM - Cylinder - Related Part
• 18G-11631-01-96 - Yamaha OEM - Standard piston - Kit Component
• 3TL-11603-00 - Yamaha OEM - Standard piston ring set - Kit Component
• 4Y2-11633-00 - Yamaha OEM - Piston pin - Kit Component
• 93450-17025 - Yamaha OEM - Piston pin retaining clip - Kit Component
• 2A6-11181-00 - Yamaha OEM - Cylinder head gasket - Kit Component
• 18G-11351-02 - Yamaha OEM - Cylinder base gasket - Kit Component
• 18G-11111-01 - Yamaha OEM - Cylinder head - Related Part
• 18G-11635-01 - Yamaha OEM - 0.25 mm oversize piston - Alternative Part
• 3TL-11604-00 - Yamaha OEM - 0.25 mm oversize piston ring set - Alternative Part
• 18G-11636-01 - Yamaha OEM - 0.50 mm oversize piston - Alternative Part
• 3TL-11605-00 - Yamaha OEM - 0.50 mm oversize piston ring set - Alternative Part