Butom 10HP HM80 Carburetor for Tecumseh — Replacement Kit 640260/640260A/B

Butom 10HP HM80 Carburetor for Tecumseh — Replacement Kit

Upgrade your Tecumseh engine with this Butom carburetor designed to replace a range of 8–10 hp models. It mirrors the OEM form factor and mounting points, supporting smoother starts and steadier idling in common applications like generators, snow blowers, and pressure washers. This replacement part is crafted to fit Tecumseh HM80 and HM100 families, providing a practical option when service parts are needed.

The HM80 and HM100 carburetor pairing fits Tecumseh engine families including HM80, HM85, HM90, HM100 and related LH318XA, LH358XA, and LH358EA variants, offering a dependable path for consistent performance across compatible equipment.

This kit aligns with OEM part numbers such as 640260, 640260A, 640260B, 632689, and 640269, helping you identify compatibility during shopping. It covers both 8 hp and 10 hp Tecumseh engines used across generators, snow blowers, and other outdoor tools.

What’s included

• 1 x carburetor
• 1 x gasket

Key compatibility and fit tips

• Fits HM80 and HM100 engine families
• Compatible with Tecumseh 640260 series OEM numbers
• Suitable for generators, snow blowers, pressure washers and wood chippers
• Check your model and part numbers before ordering to ensure a proper fit

Why choose Butom? This replacement part focuses on dependable operation across various outdoor power tools. While not a guarantee of performance, users may experience easier starts, steadier idle, and reliable operation after installation. The gasket inclusion helps with proper sealing, potentially reducing fuel leaks and air infiltration. The design supports straightforward installation for DIY enthusiasts and professional technicians alike. Built to emulate OEM geometry and intake routing, the part is intended to facilitate a smooth retrofit and long-term usability. Durability and a compact form factor make it a practical refresh for aging Tecumseh units, helping you maintain seasonal readiness for snow removal, garden work, or power generation.

How to identify the right part

To verify compatibility, compare your engine model, displacement, and OEM part numbers listed on the machine. This Butom carburetor is designed for Tecumseh 8–10 hp families and shares mounting patterns with the 640260 series, helping you avoid misfits during replacement.

Installation and maintenance tips

• Ensure fuel lines are clean, free of corrosion, and properly connected
• Install the gasket carefully to prevent leaks or air gaps
• After installation, verify throttle response and idle speed for best results

With proper selection, installation, and routine maintenance, the Butom carburetor can serve as a reliable replacement option for equipment like snow blowers, generators, and other Tecumseh-powered tools used in outdoor settings.