The Kawasaki FH721V-S09 is a robust and efficient 25HP vertical shaft engine designed for both commercial and residential heavy-duty applications. With a 1-1/8" x 80mm keyed shaft, this compact but powerful 675cc twin-cylinder OHV engine is perfect for zero-turn mowers, lawn tractors, walk-behind mowers, and various other power tools. Known for its reliability and adaptability, this model is SAE certified and ready to tackle the most challenging landscapes and demanding tasks.

The FH721V-S09 is thoughtfully designed for practical use, featuring an electric start, a custom wiring harness, and distinct choke and throttle controls for better user experience. Additionally, it has a built-in oil pressure switch that safeguards the engine from harm in low-oil situations. These attributes ensure smoother operation, simpler maintenance, and dependable long-term performance.

The engine features a pressurized lubrication system equipped with a high-efficiency oil cooler, providing excellent protection during heavy loads and prolonged use. When combined with a mechanical governor, it ensures steady performance even with varying workloads, making it perfect for professional landscapers and fleet operators. Additionally, a 15-amp charging coil allows for the operation of powered attachments, lights, or battery recharging without sacrificing performance. With a 2-quart oil capacity and a robust dipstick-in-crankcase design, maintenance is made easier for those long working hours.

This engine is a perfect fit for many leading brands like Ariens, Toro, Exmark, Scag, Bad Boy, Great Dane, MTD, Excel, Dixie Chopper, Ferris, KMC, Husqvarna, CHP, and Little Wonder, making it an excellent and easy replacement for the Kohler CV750 and similar vertical shaft engines. Weighing only 105 lbs and featuring compact dimensions, the FH721V-S09 strikes a great balance between robust performance and easy installation.

With a 3-year warranty covering both consumer and commercial applications, this engine offers reassurance along with trusted Kawasaki engineering. Its blend of power, efficiency, and adaptable design positions it as a top choice among replacement engines in its category.

At Carroll Stream Motor Company, we provide the Kawasaki FH721V-S09 at great prices, along with fast and free shipping on orders exceeding $100. Our Kawasaki Gold Certified team is here to help you with product fit, compatibility, and installation assistance. We have limited stock available—seize the opportunity to enhance your equipment with this reliable, high-performance engine. Place your order today and discover why professionals rely on Kawasaki for their essential field equipment. Give us a call at 888-208-2088, 248-628-4638 to speak with our Kawasaki Gold team of experts that are able to help you with all your Kawasaki needs and questions.

The Kawasaki FH721V-S09 engine is a direct replacement for many brands such as Ariens, Toro, Exmark, Scag, Bad Boy, Great Dane, Auburn Consolidated, KMC, Excel, MTD, Dixie Chopper, Husqvarna, CHP, Little Wonder, Ferris and many others.

No Sales to California

Use to Replace Model Numbers:

FH641V-S21: AS21, BS21, CS21, DS21, ES21, FS21
FH641V-S26: AS26, BS26
FH680V-S17: AS17, BS17, CS17
FH721V-S09: AS09, BS09, CS09, DS09, ES09, FS09, GS09

Please call for questions about what engines this replaces. (888-208-2088, 248-628-4638)

Any cross-reference is provided as a courtesy. You will be responsible for making sure the part number we are providing will fit your application. If you are unsure, please contact us before purchasing for help. Please have your model and serial number available.