Description
Improve warm-up and temperature control on your Yamaha FX-SHO, FZR, FZS, VXR, VXS, or GP1800 with the R&D Engine Block Dual Thermostat” Kit. This upgrade allows dual thermostats to manage pre-heat cycles and maintain optimal engine operating temps, reducing cold-start wear and preventing overheating under load.
Performance & Reliability Gains
- Dual thermostat setup for better warm-up and heat management
- Reduces thermal shock and improves overall engine longevity
- Maintains consistent temps during aggressive riding or high ambient heat
- Bolt-on kit – integrates with factory cooling passages
Stock single-thermostat systems on these Yamaha models can run too cool initially or too hot under sustained boost. The dual setup fixes both, giving smoother power delivery and better protection for high-performance or heavily modified engines.
Quality Engineering
R&D designs this kit with marine-grade components and precise fitment to ensure reliable sealing and function in wet, high-vibe conditions.
- Helps stabilize oil temps indirectly through better engine temp control
- Ideal for race, tow, or hot-climate use
- Reduces risk of overheat-related failures
- Simple addition with big durability benefits
Keep your Yamaha running in the sweet spot every ride.
Install & Tuning Advice
Access engine block, install dual thermostats per R&D instructions, bleed system. Test for proper opening/closing. Monitor temps on first rides and adjust if needed.
Enhance cooling precision on your FX/GP Yamaha with the R&D Dual Thermostat Kit.
