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Kawasaki FH721V-S09 Vertical 1-1/8" X 80mm Shaft

Price: $2,765.00
Sale Price: $2,589.00
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105.00 LBS

Prop. 65 Warning: This product contains chemicals known to the state of California to cause cancer and birth defects, or other reproductive harm.





Kawasaki FH721V-S09 Gas Engine

With 1-1/8" X 80mm Vertical Shaft

Electric Start Motor

In-stock Now!! Limited Quantities Available.


The Kawasaki FH721V-S09 is one of the toughest replacement engines on the market with its wide variety of uses in zero-turn mowers, lawn and garden tractors and walk-behind mowers. It is SAE certified and built to handle the toughest terrains and the toughest conditions. The FH721V-S09 Kawasaki lawn mower engine also offers a guaranteed 3 year consumer or commercial warranty on all parts and labor.

The Kawasaki 25 HP FH721V-S09 small gas engine is powerful, heavy duty, and it comes with a special wiring harness, a oil pressure switch and separate choke and throttle. Order now to take advantage of our very low prices with fast free shipping on all orders over $100 and 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

Make Kawasaki
Model FH721V-S09
Type Small Engine
Fuel Gas Unleaded 86 Octane or Higher
Engine Type 4 Stroke OHV Twin Cylinder
Bore/Stroke 3.0 X 3.0 in
Displacement 675 cc
Max Torque 41.3 FT. Lbs
Starting Type Electric Start
Charging Coil 15 Amp
Starting System Electric Shift Starter
Dimensions (L x W x H) 19.25 x 18.25 x 24.75 in.
Exhaust Included No
Fuel Tank No
Dry Engine Weight 105lbs.
Shaft Type Keyed - Straight
Shaft Diameter 1 1/8" Diameter, 1/4" Keyway
Shaft Length 3-5/32" Total
Shaft I.D. Thread Size 7/16"-20 Drilled and Tapped
Bolt Pattern 4 Bolt
Oil System Pressurized with oil filter
Oil Capacity 2.0 Qts
Oil Cooler High Efficiency
Reduction Type None
Engine Cooling Type Forced Air Cooling
3 Year Consumer Warranty
3 Year Commercial Warranty
Mechanical Governor
4 Stroke OHV Small Engine
Standard Air Filter
Dipstick in Crankcase
Cross Reference Guide
Kohler: CV750
User Manual

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.

Summary of the Kawasaki FH721V-S09

The Kawasaki FH721V-S09 gas engine is a powerful 25 HP engine suitable for various demanding tasks such as zero-turn mowers, lawn and garden tractors, and walk-behind mowers. With a 1-1/8" x 80mm vertical shaft, this engine is built to withstand challenging terrains and conditions, making it a durable choice for replacement engines. It is SAE certified, guaranteeing high quality and performance standards. Equipped with an electric start motor, a specialized wiring harness, an oil pressure switch, and separate choke and throttle controls, the FH721V-S09 provides users with improved functionality and ease of operation.

The engine is designed for durability and reliability, with a comprehensive three-year warranty for both consumer and commercial use that covers all parts and labor. Its sturdy build and advanced features ensure long-lasting performance with minimal maintenance, making it a smart investment for both professionals and homeowners. The FH721V-S09 is compatible with a wide range of brands, including Ariens, Toro, Exmark, Scag, Bad Boy, Great Dane, Auburn Consolidated, KMC, Excel, MTD, Dixie Chopper, Husqvarna, CHP, Little Wonder, and Ferris, making it a versatile replacement option for various equipment. Don't wait too long to get your hands on the Kawasaki FH721V-S09, as our stock is limited. While the engine is currently available, availability is limited. Make sure you don't miss out on this powerful and dependable engine for your equipment needs.

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