The Yamaha Magneto Cover Gasket by Cometic is a thin, flexible AFM gasket with multiple bolt holes, designed for sealing mechanical parts like magneto or stator covers.
An infographic diagram explaining the causes of a burnt stator, showing a cutaway view of a motor winding with red electrical arcs, orange heat effects, and text callouts for electrical overload, excessive heat, oil contamination, and water intrusion.
The Yamaha Magneto Cover Gasket by Cometic is a thin, flexible AFM gasket with multiple bolt holes, designed for sealing mechanical parts like magneto or stator covers.
An infographic diagram explaining the causes of a burnt stator, showing a cutaway view of a motor winding with red electrical arcs, orange heat effects, and text callouts for electrical overload, excessive heat, oil contamination, and water intrusion.
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Cometic Yamaha YFM350 X Magneto Cover Gasket (EC315032AFM) by Cometic

$23.95 USD
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SKU: EC315032AFM

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SKU: EC315032AFM

When you have the engine apart, the gaskets are not the place to cut corners. The Cometic Yamaha Magneto Cover Gasket (EC315032AFM) is a .032" AFM gasket that seals the magneto or stator cover, with Cometic’s premium materials and precise fit.

Witchdoctors stocks genuine Cometic gaskets by their Cometic part numbers. Match your part number, check the fitment below and order with confidence.

Why Choose the Cometic Yamaha Magneto Cover Gasket

Stator and magneto covers come off for stator replacement, flywheel and starter work. A fresh AFM gasket seals the cover against oil leaks and keeps out water and dirt.

Key Features and Benefits

  • .032" AFM: nitrile rubber bonded to an aluminum core
  • Resists tearing during cover removal
  • No sealer required
  • Made in the USA

Specifications

  • Brand: Cometic Gasket
  • Part number: EC315032AFM
  • Product type: magneto / stator cover gasket
  • Made in: USA
  • Quantity: 1 gasket, unless noted otherwise

Cometic Gasket Technology

AFM gasket material

AFM is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core. The aluminum gives the gasket strength and keeps it from tearing when the cover comes off. The nitrile seals against oil and resists the heat inside the engine, and it seals without added gasket sealer.

Every Cometic gasket is engineered and manufactured in the USA, and the company supplies professional engine builders in powersports, motorsport and performance automotive.

Fitment and Compatibility

Witchdoctors catalog fitment (models and years): Yamaha YFM350 X 1998–2004.

Fitment is listed by part number. Always compare the Cometic part number with your current gasket, your service manual or your parts supplier’s lookup, especially on engines that have been modified.

Why Gaskets and Seals Fail

Every gasket lives a hard life. Heat cycles expand and contract the metal around it thousands of times. Vibration works at the joint, oil and coolant chemistry slowly attack the materials, and over-tightened or unevenly torqued fasteners crush one side while leaving the other loose. Off-road machines add water crossings, mud and long idle periods in the heat. Eventually even a good gasket loses its ability to rebound and seal. Replacing gaskets during any service that disturbs a joint, and choosing a premium material like Cometic’s, is the most reliable way to keep an engine dry and making full power.

Signs You Need This Gasket

  • Oil weeping at the stator cover
  • Stator or flywheel replacement
  • Torn gasket after cover removal

Installation Tips

  1. Remove the cover per the service manual (the magnet may pull the cover).
  2. Clean the sealing surfaces.
  3. Install the new gasket dry.
  4. Torque the bolts evenly and check for leaks.

Always follow the torque values and tightening sequence in your factory service manual. Replace any stretched or damaged fasteners, and never reuse crush washers or O-rings.

Who This Gasket Is For

  • Trail, mud and dune machines that see hard use
  • Racing and big-bore performance builds
  • Rebuilding high-hour work and utility machines
  • Restoring older ATVs to like-new condition

Complete the Job

Doing the job right? These parts share an application with this gasket. Check them against your model:

More Cometic gaskets for Yamaha:

Browse every Cometic part in our Cometic Gasket collection. For bolts that need it, see our Loctite thread lockers.

Helpful Guides From the Witchdoctors Blog

Frequently Asked Questions

Is it reusable?

For a guaranteed seal, install a new gasket whenever you remove the cover.

Do I need gasket sealer?

In most cases, no. Cometic gaskets are designed to install dry. Use sealer only where your service manual specifies it, such as at case parting lines.

Can I reuse my old gasket?

No. Gaskets compress and take a set when they are torqued. A new gasket is cheap insurance against leaks and a second teardown.

Is Cometic better than OEM?

Cometic engineers its gaskets to meet or exceed OEM sealing performance and offers performance options, such as MLS head gaskets and multiple bore and thickness choices, that the OEM does not.

Where are Cometic gaskets made?

Cometic gaskets are manufactured in the USA.

Where to Ride

Once your engine is sealed up and broken in, take it somewhere worth the effort:

Order Your Cometic Yamaha Magneto Cover Gasket Today

Seal it right the first time. Add the Cometic Yamaha Magneto Cover Gasket (EC315032AFM) to your cart, and Witchdoctors will ship genuine Cometic gaskets fast. Questions about fitment? Contact our team with your year, make and model, and we’ll help you get the right part.

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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Shipping

Qualifying Retail orders $159.99 or more will receive free ground shipping. Free Shipping Terms and conditions.

All orders over $500 will require a signature.

Please see International Shipping page for orders shipping outside the US.

See our full Shipping Policy page for further details.

Product Availability

We show real time product availability. These products normally ship the same business day but may ship from one of our warehouses across the country. If an item requires additional processing time you will be notified.

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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