6JC-11181-00-00 Head Gasket for Yamaha SX 250 1800 2021-2023

Head Gasket for Yamaha SX 250 1800

This head gasket for Yamaha SX 250 1800 watercraft, OEM cross-reference 6JC-11181-00-00, seals the cylinder head to the engine block to maintain compression and prevent coolant and combustion leaks.

Overview

This head gasket for Yamaha SX 250 1800 is a direct-fit sealing component for the 1800 engine used in 2021 through 2023 models. It holds compression at the head-to-block joint and keeps coolant and oil in their proper passages. Owners and mechanics rebuilding or servicing this engine will need this head gasket for Yamaha SX 250 1800 to complete a reliable top-end repair.

Built For Performance

• Cross-references OEM part number 6JC-11181-00-00
• Multi-layer steel construction for strong sealing under heat and pressure
• Precision-cut openings for coolant, oil, and combustion passages
• Designed to hold compression in the 1800 engine across its full RPM range
• Resists coolant and combustion gas leakage at the head-to-block joint
• Direct fit for the 2021 through 2023 Yamaha SX 250 1800

Fits These Machines

• for Yamaha SX 250 1800, 2021
• for Yamaha SX 250 1800, 2022
• for Yamaha SX 250 1800, 2023

On-The-Job Use

• Top-end rebuilds and engine refresh work
• Head removal for valve or piston service
• Cylinder head replacement after overheating
• Compression loss or coolant leak repairs at the head gasket joint

Specs At A Glance

Good To Know

Q: Does this gasket require new head bolts during installation? A: Follow the manufacturer torque sequence and check whether the original head bolts are reusable before installing this gasket. Replacing them when in doubt helps ensure a proper seal.

Q: Will this head gasket work on engines with a resurfaced head? A: It is designed for the stock deck height and surface finish, so verify head and block flatness during assembly. If either surface is out of spec, machine work may be required first.

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