OEM Grade Starboard Piston Kit .020 Oversize Compatible with 1984-2006 Yamaha 150HP 175HP 200HP V6 2-Stroke Outboard 3.564 90.50mm Bore 6R5-11636-11-00 326764

Starboard Side Piston Kit .020 Oversize Compatible with 1984-2006 Yamaha 150HP 175HP 200HP V6 2-Stroke Outboard 3.564" (90.50mm) Bore
Direct replacement .020 oversize starboard side piston kit for 1984 through 2006 Yamaha V6 2-stroke outboard motors with 3.544" (90mm) standard bore. Fits 150HP, 175HP, and 200HP models. Kit includes cast aluminum piston machined to 3.564" (90.50mm) bore (.020 oversize over 3.544" standard), piston ring set, wrist pin, and circlip retainers for a complete single-cylinder rebuild. V6 engines require 3 port + 3 starboard pistons for complete rebuild.

OEM CROSS-REFERENCE PART NUMBERS:
• 6R5-11636-11-00 (Yamaha .020 OS starboard piston)
• 326764 (wrist pin)
• 326765 (circlip retainers)

SPECIFICATIONS:
• Type: Starboard Side Piston Kit with Rings
• Size: .020 Oversize
• Bore: 3.564" (90.50mm) (.020 oversize over 3.544" standard)
• Engine: V6 2-Stroke Carbureted
• Horsepower: 150HP, 175HP, 200HP
• Side: Starboard
• Kit Contents: Piston, Ring Set, Wrist Pin, Circlip Retainers
• Material: Cast Aluminum

APPLICATIONS:
• 150HP V6 2-Stroke (1984-2006)
• 175HP V6 2-Stroke (1984-2006)
• 200HP V6 2-Stroke (1984-2006)

NOTES:
• Port and starboard pistons may differ — verify correct side before ordering
• Order 3 port + 3 starboard kits for complete V6 engine rebuild

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