Lucky Seven FH661V Carburetor Replacement for Kawasaki FH/FX Engines — Direct-Fit Kit with Gasket & Service Parts

If your Kawasaki-powered mower, generator, or outdoor equipment is running rough, hard to start, or using more fuel than expected, a worn or clogged carburetor is often the root cause. This Lucky Seven FH661V carburetor kit replaces multiple OEM part numbers and arrives with the common consumables you need for a straightforward swap. It delivers metal and high-quality plastic construction, a matching gasket, and an installation kit that reduces downtime and helps return the engine to consistent operation.

How does this carburetor improve engine performance?

The Lucky Seven FH661V is precision-cast to match OEM flow paths and fuel passages so the engine receives a consistent air–fuel mixture. That stability improves throttle response, steadies idle, and helps the engine run cleaner under load. It’s not a tune or performance part but a reliable replacement that restores factory behavior.

• OEM-equivalent fuel passages and mounting points for correct fitment
• Balanced mixture delivery for smoother idling and acceleration
• Durable materials to resist wear and corrosion over time

Which Kawasaki models and part numbers does it fit?

This carburetor is built to replace many Kawasaki carburetor assemblies and fits multiple FH and FX series 4‑stroke engines. The kit lists replacement part numbers and an extensive fitment roster so you can confirm compatibility before purchase. It’s intended for FH641V, FH661V, FH680V, FH721V, FX751V and FX850V family engines used in mowers and similar equipment.

• Replaces OEM part numbers such as 15004‑1010, 15004‑0763, 15004‑7024 and others
• Compatible with numerous FH680V and FH721V model variants
• Fits FX751V and FX850V 4‑cycle engines commonly found on commercial equipment

What comes in the Lucky Seven carburetor kit and what tools are needed?

The kit includes the carburetor preassembled with its gasket plus routine service parts to complete the job in one visit. Basic hand tools and some mechanical experience are enough to swap the unit; a service manual or exploded diagram helps with routing lines and throttle linkages. Follow standard safety steps: disconnect spark, drain or contain fuel, and verify connections for leaks after installation.

• Included: carburetor with gasket, oil filter, two spark plugs, fuel pump, fuel filter, manual valve with pipe line
• Required: basic wrench/screwdriver set, pliers, and safety gear
• Tip: inspect throttle linkage, air filter, and fuel lines while replacing the carburetor

How long can I expect this replacement to last and how should I maintain it?

Longevity depends on fuel quality, storage, and operating conditions; with clean fuel and periodic inspection it can last as long as the original unit. Regular service—replacing the fuel filter, using fresh gasoline, and keeping the air intake clean—prevents premature fouling. If the engine sits idle for seasonal storage, drain fuel or use a stabilizer to avoid varnish buildup in the carburetor.

• Use fresh gasoline and replace fuel filter at recommended intervals
• Store equipment with stabilized or drained fuel for long idle periods
• Periodic inspection and cleaning of jets and passages extends service life

Who is this for: The Lucky Seven FH661V carburetor kit is aimed at homeowners, landscapers, and small equipment technicians who need a reliable, cost-effective replacement for worn or damaged carburetors on Kawasaki FH and FX series engines. It’s most useful when you want a complete service kit included with the carburetor to minimize trips and get equipment back into service quickly.