An Image of the Genuine Yamaha Logo reading 'GENUINE OEM PART' 28P-81890-01-00
#1 in the Diagram
Blue ATV, black utility side-by-side, red four-seat UTV, and green ATV with rugged tires.
An Image of the Genuine Yamaha Logo reading 'GENUINE OEM PART' 28P-81890-01-00
#1 in the Diagram
#1 in the Diagram
Blue ATV, black utility side-by-side, red four-seat UTV, and green ATV with rugged tires.
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Starting Motor

$274.99 USD
Normally ships in 6-8 business days

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SKU: 28P-81890-01-00

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SKU: 28P-81890-01-00

Yamaha UTV/ATV & Side by Side 12V Starter - Available at buywitchdoctors.com

Product Specifications: Genuine OEM Yamaha Starting Motor, Part # 28P-81890-01-00.

Keep your machine running like new with a genuine Yamaha 12V Starter paired with premium maintenance parts from buywitchdoctors.com. The 12V starter is an electric motor that spins the engine fast enough to fire when you press the button, drawing power from the battery to get combustion going. Because it handles a heavy surge of current on every start, its condition directly affects how quickly and reliably your machine wakes up, especially in cold weather or after sitting for a while. Riders most often replace a starter after slow or sluggish cranking, a single click or no response when the start button is pressed, grinding noises during engagement, a starter that spins without turning the engine, intermittent starting, or damage from water, mud, or corrosion.

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 12V starter uses a sealed housing, precisely wound copper windings, durable brushes, and a hardened drive gear matched to your engine, so it delivers strong, consistent cranking and engages cleanly through heat, cold, moisture, and vibration.

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

  • Starter Components: Starter components such as brushes, drive gears, solenoids, and end caps can restore cranking without replacing the whole motor in some cases. Inspect them whenever you service your starter so you catch worn parts before they cause a no-start.
  • Starter Relays: The starter relay switches the heavy current from the battery to the starter when you press the button. If you hear a click but the engine does not crank, test the relay along with the starter before deciding which part has failed.
  • Battery Cables: Battery cables carry the high current the starter needs to spin the engine. Corroded, loose, or frayed cables can make a good starter act weak, so inspect them whenever you replace a starter.
  • Battery: The battery supplies the power that turns your starter, and a weak battery is one of the most common causes of slow cranking. Check its condition and charge before blaming the starter, and pair a fresh battery with a new starter for the most dependable starts.
  • Pull Starters: A pull starter gives you a manual backup for starting the engine when the battery is dead or the electric starter is out of action on models that support it. Keeping one available can save a long walk out of the backcountry, and it is a handy fallback while you diagnose a starting problem.

Frequently Asked Questions (FAQs)

Q: How do I know when my Yamaha 12V starter needs to be replaced, and how do I confirm the right one for my machine?
A: Common signs include slow or labored cranking, a click with no crank, grinding or whining during start-up, a starter that spins freely without turning the engine, and intermittent starting. Before replacing it, check the battery, battery cables, ground connections, and starter relay, since a weak battery or poor connection can mimic a failed starter. Because starters vary by model, model year, engine, and trim, 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 12V starter on the trail?
A: Deep water and mud can get into the starter and its electrical connections, causing corrosion and sluggish cranking, while sand and grit can wear the drive and housing. Heat from long, hard rides can also make hot starts harder on a tired starter. After a wet or muddy ride, rinse the area gently, keep the connections clean and dry, and check that the cables and ground points are tight. Follow your Yamaha service manual for correct installation and water-crossing guidance so your starter keeps firing reliably.

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

PRO TIP: Why does my UTV / ATV Just Click When I Press the Start Button?

PRO TIP: Should I Get an AGM Battery or Upgrade to a Lithium Battery for My UTV?

PRO TIP: Starter Relay vs. Starter Solenoid: What Is the Difference on a UTV or ATV?

PRO TIP: UTV/ATV Clicks But Won’t Start? Starter Relay Symptoms


Upgrade Your Ride's Starting & Electrical System Performance Today
A fresh, factory-fit 12V starter gives you quick, confident starts whether it is a cold morning or a hot, dusty afternoon. Complete your starting system with matching starter components, starter relays, battery cables, battery, and pull starters so your machine fires up and keeps you moving. Order your genuine Yamaha replacement components today from buywitchdoctors.com and experience top-tier off-road performance!

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

General Safety Warning & Installation Requirements

Your safety is our top priority. Whether you are maintaining a Victory® or Indian® Motorcycle, or servicing a UTV, ATV, or Side-by-Side, proper installation is vital to the performance and safety of your vehicle.

Important:
Warning: Failure to follow manufacturer-specified installation procedures and safety requirements can result in mechanical failure, loss of vehicle control, serious injury, or death.

Important Fitment Disclosure

At Witchdoctors, we want to ensure you get back on the road or trail as quickly as possible. Correct fitment is the most critical step in purchasing parts for your Victory® or Indian® Motorcycle. Also for your Polaris®, CFMoto®, Arctic Cat®, Yamaha®, Honda®, Can-Am®, Kawasaki® UTV and ATV.

Verification Required: While we strive for 100% accuracy, vehicle manufacturers often make mid-year production changes. Always verify your specific year, make, and model before finalizing your order.
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Returns

If your order arrives and it is not right, we will we'll fix it. We promise!

Doesn't fit or just not happy with it? You can return any new, unopened, unused or unaltered item within 30 business days of delivery receipt of your item. We will issue a refund to your original payment method.

See our full Return Policy for all of the pertinent details.

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