6G8-12411-03-00 Thermostat 60C 140F For Yamaha 9.9-70HP 4Stroke 6G8-12411-01

Thermostat for Yamaha

This thermostat for Yamaha 4-stroke outboards regulates engine temperature, cross-referencing OEM part numbers 6G8-12411-03-00 and 6G8-12411-01.

Overview

This thermostat for Yamaha 9.9-70HP 4-stroke engines maintains optimal operating temperature by controlling coolant flow. It is a direct replacement for the specified Yamaha part numbers, ensuring proper engine warm-up and cooling efficiency.

Built For Performance

• Rated at 60°C (140°F) opening temperature
• Precision-machined seat for reliable sealing
• Corrosion-resistant construction for marine environments
• Factory-calibrated for consistent performance

On-The-Job Use

• Used in Yamaha 4-stroke outboard cooling systems
• Essential for maintaining engine temperature during long runs
• Replaces worn thermostats to prevent overheating

Specs At A Glance

Good To Know

Q: What are signs that my thermostat needs replacement? A: Overheating or slow warm-up can indicate a stuck or faulty thermostat. Replacing it restores proper temperature regulation.

Q: Is this thermostat compatible with all Yamaha 9.9-70HP 4-stroke models? A: It fits the specified range, but always verify your engine's part number 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.