Valves Seats and Springs | Yamaha Outboard

Shop Yamaha F150 valves, valve seats, and valve springs for inline 4-cylinder outboard cylinder head repair and engine rebuilds.

Always verify your Yamaha F150 model code, serial number, valve position, and OEM part number before ordering valvetrain components.

Tip: Intake and exhaust components may differ. Inspect the cylinder head and confirm the exact valve, seat, or spring required before ordering.

Frequently Asked Questions

How do I choose the correct Yamaha F150 valve?

Match the valve to your exact F150 model information, intake or exhaust position, and OEM part number before ordering.

When should Yamaha F150 valves or valve seats be replaced?

Valves and seats should be inspected during cylinder head service and replaced when worn, damaged, burned, bent, or outside the applicable service specifications.

Should valve springs be checked during an F150 rebuild?

Yes. Valve springs should be inspected and measured during cylinder head service to determine whether they remain within the specifications for the engine.

Helpful Links

• Yamaha F150 Inline 4 Engine Rebuild Parts
• Engine Gaskets & Gasket Kits
• Pistons, Rings & Cylinder Sleeves
• OEM Schematics

Back to Yamaha F150 Engine Rebuild Parts