Thermostat by Yamaha

Yamaha UTV/ATV & Side by Side Thermostats & Thermostat Parts - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Yamaha Thermostat, Part # 2TV-12411-01-00.

Keep your machine running like new with genuine Yamaha Thermostats & Thermostat Parts paired with premium maintenance parts from buywitchdoctors.com. The thermostat is a temperature-sensitive valve in the cooling system that stays closed while the engine warms up and opens to let coolant flow to the radiator once it reaches operating temperature. Related parts such as the thermostat housing, cover, gasket, O-ring, and bleed fittings keep that valve sealed and positioned correctly. A healthy thermostat helps the engine warm up quickly, hold a steady temperature, and avoid both overheating and running too cold. Riders most often replace thermostats and thermostat parts after an engine that overheats or boils over, an engine that takes forever to warm up or never reaches normal temperature, a temperature gauge that swings or reads erratically, weak cab heater output, coolant leaks at the housing or gasket, a cracked or corroded housing, a stuck-open or stuck-closed valve, or any time the cooling system is opened for service.

Why Choose Genuine OEM Yamaha Parts?

Choosing original equipment manufacturer (OEM) parts ensures your vehicle maintains its factory-standard performance, reliability, and fuel efficiency. Genuine parts eliminate the guesswork of aftermarket alternatives, offering a seamless integration with your engine's configuration.

• Exact-Fit Design: Matched to Yamaha's original bolt patterns, sealing surfaces, and dimensions for a leak-resistant fit.
• Factory-Spec Quality: Built to the same standards as the parts installed on your machine at the factory.
• Peace of Mind: Skip the trial and error of universal or aftermarket parts that may not seal or align correctly.

Premium Materials & Precision Engineering

Crafted to strict factory tolerances, these components utilize high-grade alloys and chemical-resistant seals. This specialized engineering withstands harsh off-road vibrations, extreme temperatures, and modern fuel additives, preventing premature wear and leaks. Genuine thermostats use a precisely calibrated wax or thermal element, a corrosion-resistant valve and spring, and coolant-resistant seals matched to your engine's operating temperature, so they open and close at the right point, seal tightly, and keep coolant temperature steady through repeated heat cycles.

Comprehensive Model Fitment (2015-Current)

This genuine OEM part is engineered for a wide range of Yamaha side-by-side (SxS) and all-terrain vehicles (ATV) built from 2015 to the current model year. Please verify your series matches below:

Utility Task Vehicles (UTVs / Side-by-Sides)

• Viking Series: Viking 700 EPS, Viking 700 Ranch Edition, Viking VI EPS
• Wolverine Series: Wolverine R-Spec, Wolverine X2 850, Wolverine X4 850, Wolverine X2 1000, Wolverine RMAX2 1000 (Sport, XT-R, Limited), Wolverine RMAX4 1000
• YXZ Series: YXZ1000R, YXZ1000R SS

All-Terrain Vehicles (ATVs)

• YFZ Series: YFZ50, YFZ450R, YFZ450R SE
• Raptor Series: Raptor 90, Raptor 110, Raptor 700, Raptor 700R, Raptor 700R SE
• Grizzly Series: Grizzly 90, Grizzly 110, Grizzly 700 EPS, Grizzly 700 SE, Grizzly 700 XT-R
• Kodiak Series: Kodiak 450, Kodiak 450 EPS, Kodiak 700, Kodiak 700 EPS, Kodiak 700 SE

⚠️ IMPORTANT DISCLAIMER: Fitment can vary by production date and sub-model trim. Always verify your exact original equipment part number from your vehicle's schematic or consult a certified technician before finalizing your purchase to guarantee flawless compatibility.

Other Popular Parts & Secondary Accessories

• Water Pumps: The water pump circulates coolant through the engine, thermostat, and radiator. If your machine overheats, check the pump along with the thermostat so you find the real cause, and replace both if the cooling system has been neglected.
• Coolant Tanks & Components: The coolant tank, cap, and related fittings give the system room to expand and help hold pressure. Inspect them for cracks, leaks, and a weak cap whenever you replace a thermostat so the system stays sealed.
• Cooling Fans & Components: The cooling fan pulls air through the radiator at low speed and idle. If the engine runs hot only when crawling or sitting still, test the fan and its switch along with the thermostat.
• Coolants: Fresh coolant protects against overheating, freezing, and corrosion. Refill with the type your Yamaha service manual specifies and bleed the system after thermostat service so no air pockets remain.
• Water Pump Rebuild Kits: Rebuild kits bundle the seals, bearings, and related wear parts needed to refresh a water pump. If your pump is leaking or noisy, servicing it while the cooling system is already drained saves time and helps your repair last.

Frequently Asked Questions (FAQs)

Q: How do I know when my Yamaha thermostat or thermostat parts need to be replaced, and how do I confirm the right ones for my machine?
A: Look for overheating or boil-over, an engine that is slow to warm up or never reaches normal temperature, an erratic temperature gauge, weak cab heat, coolant seepage at the housing or gasket, and a cracked, corroded, or warped housing. Before replacing parts, check the coolant level, radiator cap, cooling fan, hoses, and water pump, since these can cause similar symptoms. Because thermostats and parts vary by model, model year, and engine, confirm the correct parts, opening temperature, and installation and bleeding procedure using your Yamaha service manual or factory schematic, or contact us with your model and VIN and we will help you match them.

Q: How do mud, water, sand, and heat affect thermostats and thermostat parts on the trail?
A: Heat and repeated pressure cycles can age gaskets and seals and cause slow coolant seepage, while old or contaminated coolant can corrode the valve and make it stick. Packed mud on the radiator and engine can trap heat and make a marginal thermostat show up as overheating. After a hot, muddy, or dusty ride, rinse caked mud from the radiator and engine, check the coolant level with the engine cool, and look for seepage around the housing. Follow your Yamaha service manual for correct installation, filling, bleeding, and safe service guidance.

PRO TIP: Learn More about Yamaha OEM vs. Aftermarket Parts

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PRO TIP: Signs Your UTV or ATV Thermostat is Bad (And How to Test It)

Are You Looking to Find Great Places & Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:

• Northern Outdoors
• Imperial Sand Dunes
• Johnson Valley OHV Area
• Gypsum City OHV Park
• Leatherwood Off-Road Park