OEM Grade Piston Kit .020 Oversize Compatible with 1987-2006 Yamaha 30HP 3-Cylinder 2-Stroke Outboard Motor 2.855 72.50mm Bore 6J8-11636-00-00 326764 326765

Piston Kit .020 Oversize Compatible with 1987-2006 Yamaha 30HP 3-Cylinder 2-Stroke Outboard 2.855" (72.50mm) Bore
Direct replacement .020 oversize piston kit for 1987 through 2006 Yamaha 3-cylinder 2-stroke outboard motors with 2.835" (72mm) standard bore. Fits 30HP models including 30D, 30E, 30MH, 30N, and C30 commercial variants. Kit includes cast aluminum piston machined to 2.855" (72.50mm) bore (.020 oversize over 2.835" standard), piston ring set, wrist pin, and circlip retainers for a complete single-cylinder rebuild. Symmetrical piston design fits all cylinders — order 3 kits for complete rebuild.

OEM CROSS-REFERENCE PART NUMBERS:
• 6J8-11636-00-00 (Yamaha .020 OS piston)
• 6J8-11636-00
• 326764 (wrist pin)
• 326765 (circlip retainers)

SPECIFICATIONS:
• Type: Piston Kit with Rings
• Size: .020 Oversize
• Bore: 2.855" (72.50mm) (.020 oversize over 2.835" standard)
• Engine: Inline 3-Cylinder 2-Stroke Carbureted
• Horsepower: 30HP
• Piston Type: Symmetrical (fits all cylinders)
• Kit Contents: Piston, Ring Set, Wrist Pin, Circlip Retainers
• Material: Cast Aluminum

APPLICATIONS:
• 30HP 3-Cylinder 2-Stroke (1987-2006)
• Yamaha 30D / 30E / 30MH / 30N
• Yamaha C30 Commercial Models

NOTES:
• Symmetrical piston — same piston fits all cylinders
• Order 3 kits for complete 3-cylinder engine rebuild

⚠️ Verify OEM part number from your original engine before ordering.