Yamaha 4X4-14714-00-00 Muffler Gasket — main product image

Yamaha

Yamaha 4X4-14714-00-00 Muffler Gasket

Name: Yamaha 4X4-14714-00-00 Muffler Gasket
Brand: Yamaha
SKU: 4X4-14714-00-00

★★★★★4.8 (4 reviews)

Genuine Yamaha OEM muffler gasket — the correct seal for restoring exhaust system integrity on specific Yamaha models.

$12.21*

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Yamaha 4X4-14714-00-00 Gasket Muffler is the factory replacement for the exhaust muffler joint seal on specific Yamaha models. Where an aftermarket gasket requires trusting a third party's interpretation of the original specification, a genuine OEM part removes that variable entirely — same material compound, same thickness, same sealing surface geometry as the part installed at the factory. For exhaust work, those details matter: an undersized or softer gasket will compress beyond spec under clamp pressure and leak; an oversized one won't seat correctly. The OEM part is specified to survive the thermal cycling, vibration, and exhaust chemistry of the application it's designed for.

Installation is straightforward for mechanically experienced owners. The key steps are thorough surface preparation — removing old gasket material and carbon deposits from both the muffler and header mating faces — and torquing the exhaust fasteners to Yamaha's factory specification rather than feel. Heat cycling will seat the gasket over the first few rides; re-check fastener torque after a brief break-in period to confirm the joint hasn't relaxed. If the existing exhaust studs or nuts show any corrosion or thread damage, replacing them at the same time prevents having to pull the exhaust again in short order. Confirm your model compatibility against the full part number 4X4-14714-00-00 before ordering.

Specifications

Brand

Yamaha

OEM Part Number

4X4-14714-00-00

Part Type

Gasket, Muffler

Compatibility

Specific Yamaha models (verify via OEM part number)

Pros & Cons

👍 Pros

Genuine OEM Yamaha part ensures exact dimensional and material match to the original — no gaps, no distortion risk from undersized or mismatched aftermarket gasket stock.
Factory part number 4X4-14714-00-00 makes ordering and confirming fitment straightforward using Yamaha's official parts catalog or a dealer lookup.
OEM gasket material is specified to handle the thermal cycling and exhaust pressures of the intended application — no guesswork about whether an aftermarket material will hold up.
Replacing a failed muffler gasket restores exhaust sealing integrity, eliminating performance losses and exhaust leaks that can affect rideability and pass emissions inspections.
Single-part purchase at a modest price prevents a small exhaust leak from developing into joint surface damage that requires more expensive machining or component replacement.

👎 Cons

Fitment is highly model-specific — the 4X4 prefix in the part number indicates a narrow application range, and installing on an incompatible model will result in a leak or fitment failure.
No installation instructions included — OEM replacement parts assume the mechanic has access to a Yamaha service manual with torque specifications and installation procedure for the specific model.
Availability can be inconsistent for older or discontinued Yamaha models — if this is a hard-to-find part, verify stock before committing to a repair timeline.
A single gasket without companion fasteners means a complete exhaust joint service requires sourcing studs, nuts, and anti-seize separately if those components are also due for replacement.
Genuine OEM pricing is typically higher than aftermarket alternatives — for budget-focused repairs, aftermarket gaskets from reputable suppliers may achieve comparable sealing at lower cost.

Frequently Asked Questions

Is this a genuine OEM Yamaha part, or an aftermarket replacement?

This is a genuine Yamaha OEM gasket, not an aftermarket substitute. It carries the factory Yamaha part number 4X4-14714-00-00, which means it's manufactured to the exact specifications of the original part — same materials, same dimensions, same sealing properties as what came off the production line.

Which specific Yamaha models does this gasket fit?

This gasket is identified by OEM part number 4X4-14714-00-00. To confirm fitment for your specific model and year, cross-reference this part number against Yamaha's official parts catalog or verify with a Yamaha dealer. Fitment is model-specific — do not install based on visual similarity alone.

Is a muffler gasket replacement something I can do myself, or does it require a shop?

For most mechanically inclined owners, muffler gasket replacement is a straightforward task. It typically requires removing the exhaust fasteners, cleaning the mating surfaces of any old gasket material and carbon buildup, installing the new gasket, and retorquing to Yamaha's specified values. Having a torque wrench to meet factory torque specs is important to avoid over- or under-tightening the joint.

How do I know if my muffler gasket needs replacing?

Common signs include exhaust gas smell near the header junction (not from the pipe outlet), a ticking or popping sound from the exhaust area at idle or under load, or visible carbon tracking around the exhaust joint. A leaking gasket can affect performance and emission readings — replacing it when these signs appear prevents the joint surfaces from becoming damaged by exhaust gas erosion.

Should I replace the exhaust fasteners at the same time as the gasket?

It's generally good practice. Exhaust studs, bolts, and nuts are exposed to significant heat cycling and corrosion. If the fasteners show rust, stretching, or thread damage, replacing them alongside the gasket prevents a fastener failure from requiring you to revisit the job shortly after. Use anti-seize compound on the new fasteners per Yamaha's service guidelines.