Valve Stem by Yamaha

Yamaha UTV/ATV & Side by Side Valve Stem - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Yamaha Valve Stem, Part # 93900-00815-00.

Keep your machine running like new with a genuine Yamaha Valve Stem paired with premium maintenance parts from buywitchdoctors.com. The valve stem is the small fitting that passes through the wheel rim and lets you add air, check pressure, and release air from your tire, while its internal valve core holds the pressure in between checks. Because off-road riders air down for traction and air back up for the ride home, a stem that seals cleanly is what keeps your tire pressure steady and your tire seated on the rim. Riders most often replace a valve stem after a slow leak around the stem, a cracked, dry-rotted, or brittle rubber base, a bent or damaged stem from a rock or trail debris, a stem that leaks when the core is tightened, corrosion on metal stems, a stem that has been pulled or twisted by a spinning tire, a stem that is damaged during a tire change, or a stem that has been knocked loose in a rollover or hard trail impact.

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. The valve stem is made with a flexible, ozone-resistant rubber base or a corrosion-resistant metal body and a precisely fitted valve core and seal, so it seats firmly against the rim, holds air without seeping, and resists cracking and corrosion through heat, mud, and constant wheel rotation.

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

• Valve Stem Caps: Valve stem caps keep dirt, mud, and moisture out of the valve core and act as a backup seal. Replace missing or cracked caps whenever you replace a stem so grit does not cause slow leaks.
• Valve Stem Rim Locks: Rim locks clamp the tire bead to the rim to help keep the tire from spinning and tearing out the valve stem when you run low pressure. Check them whenever you replace a stem, since a spinning tire is a common reason stems fail.
• Tire Tubes: Tubes hold air inside tube-type tires and carry their own valve stem. If your tube is cut or old, replace it along with the tire or stem so the whole air system is fresh.
• Tire Repair: Tire repair items, such as plugs, patches, and bead tools, help you fix a leak and get back to riding. Keep a kit on board, and check the stem first when you chase a slow leak.
• Tire Sealants: Tire sealants coat the inside of the tire to plug small punctures and slow leaks. Use one that is compatible with your tire and valve core, and recheck pressure after a ride to make sure the stem is sealing.
• OEM Tires: Genuine OEM tires match your machine's original size and fit. When you mount new tires, install a fresh valve stem at the same time so the new tire starts out with a leak-free seal.

Frequently Asked Questions (FAQs)

Q: How do I know when my Yamaha valve stem needs to be replaced, and how do I confirm the right one for my machine?
A: Look for slow pressure loss that continues after the core is tightened, bubbles when you spray soapy water around the stem, a cracked, dry, or brittle rubber base, a bent or damaged stem, corrosion, and a stem that has pulled sideways in the rim. Before replacing it, check the valve core and cap, the tire bead, and the rim, since these can cause similar leaks. Because valve stems vary by model, model year, wheel type, and rim hole size, confirm the correct part and installation procedure using your Yamaha service manual or factory schematic, or contact us with your model and VIN and we will help you match it.

Q: How do mud, water, sand, and heat affect a valve stem on the trail?
A: Mud, sand, and grit can get into an uncapped stem and keep the core from sealing, while rocks and sticks can bend or snap an exposed stem. Heat and long sun exposure can dry out and crack rubber, and low-pressure riding can let the tire spin on the rim and shear the stem. After a muddy, sandy, or rocky ride, wipe the stems clean, make sure each cap is in place, and recheck tire pressure. Follow your Yamaha service manual for correct installation and tire pressure guidance so your stems stay sealed.

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

PRO TIP: Learn more with The Ultimate Buyer’s Guide to UTV & ATV Tires, Wheels & Valve Stems.

PRO TIP: Best UTV & ATV Air Chuck & Tire Pressure Gauges.

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