Nakkaa 799866 Carburetor with Gasket Compatible with 190CC 6.5HP 6.75HP 7.0HP 7.25HP 7.5HP 799871 790845 796707 794304 Lawn Mower Engine

What It Is

This is an aftermarket carburetor assembly, including gaskets, designed to replace the fuel metering system on single-cylinder engines in the 190cc to 7.5HP range. It’s meant for use on push mowers, log splitters, pressure washers, and other small engines that use a side-draft, bowl-type carburetor.

Fitment & Compatibility

Before buying, verify your engine’s displacement (190cc) and horsepower (6.5HP–7.5HP). Cross-reference your OEM carburetor part number—this replaces 799871, 790845, 796707, and 794304. Check that your engine has a standard bolt pattern (two mounting studs on 60mm centers) and a 90-degree fuel inlet. Measure your old carburetor’s mounting flange width (typically 2.5 inches) and bowl diameter (about 2 inches). This does not fit vertical-shaft engines with a different intake manifold angle or engines with a primer bulb system. For brand-specific fit, it works on many Briggs & Stratton, Tecumseh, and Honda GX200-clone engines, but always confirm your model number against the listed compatibility.

Key Things to Know

• Quality variance: This is a budget aftermarket carb. It often works well out of the box, but a small percentage may have rough casting or a stuck float. Inspect the bowl gasket and float pin before installation.
• Installation difficulty: Moderate. You’ll need to remove the air filter housing, disconnect the throttle/governor linkage, and swap the carb. Expect 20–40 minutes. Keep the original throttle linkage spring—the included one may be weak.
• Adjustment required: The idle mixture screw is preset at the factory but may need a quarter-turn adjustment after installation. Use a small flathead screwdriver to fine-tune for smooth idle.
• Fuel system check: If your old engine ran poorly due to stale fuel or debris, flush the tank and replace the fuel line before installing the new carb. The gaskets included are adequate, but using a thin layer of grease on them can prevent leaks.

Should You Buy It

Buy this if you have a common 190cc–7.5HP engine with a failed or clogged carburetor and want a low-cost, direct replacement without rebuilding the original. It’s a good value for a quick fix on a mower or power tool that isn’t worth a shop visit. Skip it if you need OEM-grade durability for daily commercial use, or if your engine has a different mounting pattern or fuel inlet angle.