6S5-12121-00-00 Exhaust Valve for Yamaha 275SDX 1800 2023

Exhaust Valve for Yamaha

This exhaust valve for Yamaha, part number 6S5-12121-00-00, manages exhaust flow in the 1800 marine engine.

Overview

This exhaust valve for Yamaha fits the 1800cc marine engine used in the 275SDX. It seals and releases exhaust gases through the cylinder head to keep the powerplant running cleanly. Built as a replacement for the 6S5-12121-00-00 part, it suits riders doing top-end service.

Built For Performance

• OEM cross-reference 6S5-12121-00-00 for confident matching
• Built to handle high exhaust temperatures
• Precision-machined valve face for proper sealing
• Made for the 1800cc Yamaha marine engine family
• Direct replacement for a worn or burnt exhaust valve

Fits These Machines

• for Yamaha 275SDX 1800 (2023)

On-The-Job Use

• Top-end rebuilds on the 1800 engine
• Cylinder head service and valve replacement
• Restoring compression after valve damage
• Routine marine engine maintenance

Specs At A Glance

Good To Know

Q: Does this valve fit the 275SDX 1800? A: Yes, it is listed for the Yamaha 275SDX 1800 from 2023. Confirm your serial number before ordering.

Q: Is this an original Yamaha part? A: This is an aftermarket exhaust valve that cross-references Yamaha part 6S5-12121-00-00. It is not an original brand product.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.