8GL-12121-10-00 Exhaust Valve for Yamaha V1 1050 2016 PWC

Exhaust Valve for Yamaha

This exhaust valve (OEM cross-reference 8GL-12121-10-00) controls exhaust gas flow in the 1050 engine used by Yamaha V1 watercraft, sealing and opening the exhaust port at the correct moment to keep combustion and scavenging working as designed.

Overview

This exhaust valve for Yamaha is a replacement engine component for the 1050 platform found in V1 watercraft. The exhaust valve 8GL-12121-10-00 seals the exhaust port and opens on cue so burned gases exit the cylinder cleanly. It is intended for owners and mechanics servicing a Yamaha V1 1050 that needs its original exhaust valve replaced.

Built For Performance

• Direct replacement for OEM part number 8GL-12121-10-00
• Built to handle continuous heat cycling inside the exhaust port
• Seals against the valve seat to protect compression during combustion
• Constructed from heat-resistant steel alloy for marine engine conditions
• Fits the Yamaha 1050 engine family used across V1 watercraft

Fits These Machines

• for Yamaha V1 1050 (2016)

On-The-Job Use

• Top-end engine rebuilds and cylinder head service
• Restoring compression on a worn or leaky exhaust valve
• Routine maintenance on 1050-equipped watercraft
• Repairing exhaust valve damage from overheating or carbon buildup

Specs At A Glance

Good To Know

Q: Is this an original Yamaha part? A: This is an aftermarket exhaust valve cross-referenced to 8GL-12121-10-00 for Yamaha 1050 engines. It is not an original Yamaha product.

Q: Does it fit every 1050 model? A: Fitment is tied to the V1 1050 listed in the title. Verify your engine code and serial number before ordering to confirm compatibility.

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