6S5-81167-10-00 Crankshaft Oil Seal for Yamaha 255XE 1800 2021-2026

Crankshaft Oil Seal for Yamaha

This crankshaft oil seal replaces OEM part 6S5-81167-10-00, sealing the crankcase opening around the crankshaft to keep oil in and contaminants out of the 1800 engine on Yamaha 255XE watercraft built 2021 through 2026.

Overview

This crankshaft oil seal is a direct-fit replacement for Yamaha 255XE models, cross-referenced to OEM part 6S5-81167-10-00. It seals the gap between the crankshaft and crankcase, preventing oil leaks and blocking water, dust, and debris from entering the engine internals. Built for owners and mechanics servicing 2021 to 2026 Yamaha 255XE 1800 watercraft, this crankshaft oil seal keeps the lubrication system sealed so the engine runs clean and cool.

Built For Performance

• Cross-references OEM part number 6S5-81167-10-00 for a precise match
• Constructed from oil-resistant elastomer that holds up under engine heat
• Spring-loaded sealing lip maintains constant contact with the crankshaft
• Double-lip design blocks oil loss and resists water intrusion
• Engineered to original equipment dimensions for drop-in installation

Fits These Machines

• for Yamaha 255XE 1800, 2021
• for Yamaha 255XE 1800, 2022
• for Yamaha 255XE 1800, 2023
• for Yamaha 255XE 1800, 2024
• for Yamaha 255XE 1800, 2025
• for Yamaha 255XE 1800, 2026

On-The-Job Use

• Replacing a worn or leaking crankcase seal during engine service
• Sealing the crankshaft opening after a top or bottom end rebuild
• Preventive maintenance on high-hour 1800 engines
• Restoring a watercraft sidelined by oil seepage at the crank

Specs At A Glance

Good To Know

Q: Is this an original Yamaha part? A: This is an aftermarket crankshaft oil seal that cross-references OEM part 6S5-81167-10-00, so it is not an original Yamaha product.

Q: How do I know it fits my engine? A: Confirm your model, year, and the OEM number on your existing part or parts diagram match 6S5-81167-10-00 before ordering.

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