Description
The WSM Front Crankshaft Seal is a precision replacement designed to prevent oil and air leaks at the front of the crankshaft on Yamaha 650, 700, and 760 engines. Proper sealing at the crankshaft is critical for maintaining consistent compression, protecting internal components, and ensuring reliable long-term engine operation.
Marine engines experience constant RPM changes, vibration, and moisture exposure. Over time, seals can harden or wear, allowing leaks that lead to poor performance or internal damage. Replacing the seal during service helps keep your engine dry and dependable.
- Direct-fit replacement for Yamaha 650/700/760 engines
- Helps prevent oil and air leaks
- Supports consistent compression and engine efficiency
- Designed for marine heat cycles and vibration
- Ideal during rebuilds or preventative maintenance
- Manufactured to WSM quality standards
Clean mating surfaces thoroughly and follow OEM installation guidelines for best results.
