Description
Product Overview
The YAMAKATO Non Asbestos Gasket Set is engineered for Honda and clone engines ranging from 88mm to 90mm bore. Crafted from high‑quality non‑asbestos material, each gasket delivers a harmless, durable seal that resists heat and oil degradation. The set includes thick and thin air filter gaskets, a carburetor gasket, crankcase side cover gasket, and an insulator gasket, all designed to match OEM specifications for a perfect fit.
Usage
Designed for small engines, generators, and power tools, this gasket set is ideal for routine maintenance, engine rebuilds, and performance upgrades. Whether you are restoring a GX390, 389, or 420 cc generator, or upgrading a power tool, the gaskets provide reliable sealing in high‑temperature environments. 
Why Choose Us
YAMAKATO combines decades of engineering expertise with strict quality control to ensure each gasket meets exact dimensions and material standards. Our non‑asbestos composition eliminates health risks associated with traditional asbestos gaskets while offering superior durability. Backed by positive customer reviews and a strong best‑seller rank in automotive engine gaskets, we guarantee performance you can trust.
Key Features
- Non‑asbestos material for safe, long‑lasting sealing
- Complete set includes air filter, carburetor, crankcase and insulator gaskets
- Fits 88mm‑90mm bore Honda and compatible engines
- Resistant to heat, oil, and fuel exposure
- Easy installation with OEM‑compatible dimensions
FAQ
Can this gasket set be used on engines with an 88mm bore?
Yes, the set is compatible with both 88mm and 90mm bore engines, providing a reliable seal for each application.
Is the material truly asbestos‑free?
All gaskets are made from a certified non‑asbestos composite, ensuring they are safe for both users and the environment.
What engines are supported by this set?
The set is designed for Honda GX390, 389, 420 cc models and compatible clone engines, as well as various generators and power tools.
Do I need additional tools to install the gaskets?
No special tools are required; the gaskets are cut to OEM specifications for a straightforward bolt‑on installation.
How does the thick air filter gasket differ from the thin one?
The thick gasket is intended for power‑tool applications where higher pressure resistance is needed, while the thin version is optimized for standard generators.




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