6S5-81167-10-00 Crankshaft Oil Seal for Yamaha FX Cruiser SVHO LTD 1800 2017-202

Crankshaft Oil Seal for Yamaha

This crankshaft oil seal is a replacement sealing component for Yamaha 1800 series engines, cross-referencing OEM part 6S5-81167-10-00, and it seals the crankshaft where it exits the crankcase to prevent oil leakage and keep contaminants out.

Overview

This crankshaft oil seal fits Yamaha 1800 engine applications and seals the crankshaft at the crankcase opening. The seal retains engine oil while blocking water and debris from entering the crankcase. It is a direct replacement for the original crankshaft oil seal on supported Yamaha models.

Built For Performance

• Cross-references OEM part 6S5-81167-10-00 for a direct replacement fit
• Seals the crankshaft at the crankcase to stop oil leakage
• Keeps water and debris out of the crankcase
• Built from oil-resistant seal material for marine engine service
• Precise fit to the crankshaft journal and case bore

Fits These Machines

• for Yamaha FX Cruiser SVHO LTD 1800 models from 2017 to 2026
• for Yamaha 1800 series engines using crankshaft oil seal 6S5-81167-10-00

On-The-Job Use

• Replacing a leaking or hardened crankshaft seal during engine service
• Crankcase reassembly after a rebuild or bottom-end repair
• Routine seal replacement on high-hour 1800 engines
• Addressing oil seepage at the crankshaft exit point

Specs At A Glance

Good To Know

Q: Is this an original Yamaha part? A: No, this is an aftermarket crankshaft oil seal that cross-references OEM part 6S5-81167-10-00. Confirm your engine and model year before ordering.

Q: Can I replace this seal without splitting the crankcase? A: Replacement often requires access to the crankshaft area, and on many engines the case must be split. Check your service manual for the correct procedure.

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