Valve Lifter by Yamaha

Yamaha UTV/ATV & Side by Side Valves & Springs - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Yamaha Valve Lifter, Part # 2MB-E2153-00-00.

Keep your machine running like new with genuine Yamaha Valves & Springs paired with premium maintenance parts from buywitchdoctors.com. Valves open and close to let the air and fuel mixture into the cylinder and let exhaust gases out, while the valve springs snap each valve shut and keep it following the cam at every RPM. Because they open and close thousands of times a minute under extreme heat, their condition directly affects compression, power, idle quality, and engine life. Riders most often replace valves and springs after a loss of compression or power, a rough or uneven idle, backfiring or popping, ticking or tapping from the top end, burnt, bent, or pitted valves, weak, broken, or sagging springs, worn valve seats or guides, or damage from over-revving, overheating, or a dropped valve.

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 valves are forged from heat-resistant steel with precisely ground faces and hardened stems, and the springs are made from fatigue-resistant wire wound to exact tension, so the valves seat tightly, resist burning and stretching, and keep following the cam through high RPM and constant 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

• Rocker Arms & Tappets: Rocker arms and tappets transfer motion from the camshaft to the valves. Inspect them for wear, pitting, and play whenever the valves are serviced so the new parts are not driven by a worn valvetrain.
• Cams & Components: The camshaft and its related parts time the opening and closing of each valve. Check the lobes, bearings, and cam chain components while the top end is apart so valve timing stays accurate.
• Top End Gaskets: Top end gaskets seal the head, cylinder, and related surfaces and are typically replaced whenever the top end is opened. Pair a fresh set with your valve service for a leak-free reassembly.
• Pistons & Components: The piston, rings, and pin share the combustion chamber with the valves. If a valve failed or was bent, inspect the piston crown for contact marks or damage at the same time.
• Engine Cylinders: The cylinder guides the piston and contains combustion pressure. Check the bore for scoring or wear during valve service so compression is restored fully.
• Connecting Rods & Components: The connecting rods link the pistons to the crank. If a dropped valve or hydrolock was involved, inspect the rods and bearings for bends or damage before reassembly.
• Engine Gaskets & Oil Seals: Engine gaskets and oil seals keep oil, coolant, and pressure where they belong. Replace them whenever the engine is opened so your repair starts clean and leak-free.

Frequently Asked Questions (FAQs)

Q: How do I know when my Yamaha valves and springs need to be replaced, and how do I confirm the right ones for my machine?
A: Watch for low compression, loss of power, a rough idle, backfiring or popping, ticking from the top end, and burnt, bent, pitted, or leaking valves and weak, broken, or shortened springs found during inspection. Before replacing parts, check the valve clearances, cam timing, and the condition of the seats and guides, since a valve that will not seal may be a seat or adjustment problem. Because valves and springs vary by model, model year, engine, and intake versus exhaust position, confirm the correct parts and inspection 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 valves and springs on the trail?
A: Valves and springs live inside the engine, so harsh conditions affect them indirectly. Dust or sand that gets past the air filter can wear the seats and guides, water ingestion can bend valves, and heat or low oil can burn valves and fatigue springs. Keep your air filter and intake sealed, change oil on schedule, and after deep water crossings check for milky oil or new noises. Follow your Yamaha service manual for correct service intervals, valve adjustment, and water-crossing guidance.

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

PRO TIP: Learn more about How to Spot a Bad Camshaft & Valves.

PRO TIP: How to Replace an ATV/UTV Engine Valve Cover Gasket

PRO TIP: A Buyer’s Guide To UTV/ATV Internal Engine Components

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