Fuel Injector by Yamaha

Yamaha UTV/ATV & Side by Side Fuel Injector - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Yamaha Fuel Injector, Part # BYS-E3761-00-00.

Keep your machine running like new with a genuine Yamaha Fuel Injector paired with premium maintenance parts from buywitchdoctors.com. The fuel injector sprays a fine, precisely timed mist of fuel into the engine, letting the ECM deliver the right amount of fuel for easy starts, smooth idle, and strong throttle response. Because it opens and closes thousands of times a minute, even a small clog or leak can upset the fuel mixture and hurt performance. Riders most often replace a fuel injector after rough idle, hesitation or surging, hard starting, a misfire on one cylinder, poor fuel economy, a fuel smell, or a clogged or leaking injector caused by dirty fuel, varnish from long storage, or worn seals.

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 fuel injector uses precisely machined nozzle openings, a fast-acting electronic valve, and fuel-resistant seals designed for ethanol-blended fuels, so it delivers a consistent spray pattern and accurate fuel metering through heat cycles, vibration, and long hours of use.

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 SE, Kodiak 700 EPS

⚠️ 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

• Fuel Filters: The fuel filter traps rust and debris before it can reach and clog your injectors. Install a fresh filter with your new injector so the same dirt does not shorten its life.
• Fuel Lines & Mounts: Fuel lines and mounts carry fuel to the injector rail and keep the lines routed away from heat and moving parts. Inspect them for cracks, kinks, and loose fittings whenever you replace an injector so there are no leaks.
• Fuel Pumps: The fuel pump supplies the steady pressure your injector needs to spray correctly. If you have hesitation or lean running, check pump output along with the injector so you find the real cause.
• Fuel Tools: Fuel tools, such as line disconnect tools and clamp pliers, make it easier to remove and install fuel fittings and injector connections without damage. Having the right tool on hand helps you avoid broken clips and leaks.
• Fuel Tank Cleaners: Fuel tank cleaners help remove varnish, rust, and debris that can clog a new injector right away. If you found contamination in your old injector, cleaning the tank at the same time helps your new one last.

Frequently Asked Questions (FAQs)

Q: How do I know when my Yamaha fuel injector needs to be replaced, and how do I confirm the right one for my machine?
A: Common signs include rough idle, hesitation or surging, hard starting, a misfire on one cylinder, poor fuel economy, fuel smells, and visible fuel seepage around the injector. Before replacing it, check the fuel filter, pump, connector, and wiring, since a weak supply or electrical problem can mimic a bad injector. Because injectors vary by model, model year, and engine, confirm the correct part and service 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 fuel injector on the trail?
A: Heat can harden injector seals over time, while dirty or water-contaminated fuel can clog the nozzle and cause uneven spray. Mud and water can also corrode the electrical connector. After a wet or dusty ride, check that the connector is clean, dry, and seated, and look for fuel seepage around the injector. Follow your Yamaha service manual for correct installation and fuel system safety so your injector keeps delivering a clean, accurate spray.

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

PRO TIP: How Can I Tell If My UTV Fuel Injectors Are Clogged or Failing?

PRO TIP: What Are the Signs Your ATV/UTV Fuel Pump Is Failing?

PRO TIP: The Complete Guide to UTV & ATV Lubricants, Coolants and Fuel Treatments.

PRO TIP: How to Diagnose and Replace a Clogged Fuel Filter on Your UTV or ATV.

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