Product Description

Kawasaki FX921V-S04 31HP Engine: Power and Efficiency Redefined

Name: Kawasaki FX921V-S04 31 HP Vertical 1-1/8 (28.575mm) X 4-5/16" (108.8mm) Shaft
Brand: Kawasaki
SKU: FX921V-S04
Price: 2847 USD
Availability: InStock

1-1/8” X 4-5/16" Vertical Shaft

Electric Start Kawasaki

In-stock Now!!

The Kawasaki FX921V-S04 is a robust engine designed for the most challenging tasks, delivering an outstanding 31 horsepower and featuring a 1-1/8" x 4-5/16" vertical shaft setup. This sophisticated 4-stroke V-twin engine is tailored for commercial use, making it ideal for zero-turn mowers, heavy-duty landscaping tools, and industrial machinery. With a displacement of 999cc, the FX921V-S04 perfectly combines raw power with excellent fuel efficiency, enabling you to handle even the toughest jobs effortlessly.

This engine is notable for its state-of-the-art Digital Fuel Injection (DFI) system, which expertly manages the air-fuel mixture to adapt to current operating conditions. Consequently, the FX921V-S04 offers improved throttle response, enhanced fuel efficiency, and significantly lower emissions when compared to conventional carbureted engines. Users enjoy savings at the fuel station while also contributing to a cleaner and more eco-friendly operation — an essential consideration for industries focused on sustainability today.

Designed for professional use, the Kawasaki FX921V-S04 boasts a durable air-cooled cooling system that effectively maintains ideal operating temperatures, even during extended periods of heavy use. Its enhanced air filtration system and sturdy build guarantee that this engine performs reliably in dusty or high-temperature settings. With its electric start feature, you can enjoy quick and dependable ignition, helping you remain productive with little downtime, no matter the season or conditions.

The FX921V-S04 is an ideal engine replacement for brands such as Exmark, Scag, and various other commercial equipment makers. Whether you're overseeing a fleet of mowers for landscaping, taking care of expansive municipal areas, or operating heavy-duty construction machinery, the FX921V-S04 provides the dependable performance and durability you can rely on every single day.

Enhance your gear today with the incredible power, efficiency, and cutting-edge design of the Kawasaki FX921V-S04. Order now and feel the exceptional quality that Kawasaki engineering adds to every task.

** This Item ships by freight. FREE SHIPPING to a commercial address with a loading dock, or to your local trucking terminal. Residential Delivery will be extra. Please contact us for more information. Buy online to enjoy our fast shipping on all orders and give us a call at 888-208-2088, 248-628-4638 to speak with our Gold team of Kawasaki experts who can help you find the right replacement motor for your small engine needs.

Add Genuine OEM Kawasaki Fuel Treatment. This 12oz bottle is designed to help protect your engine!

Specifications
Make	Kawasaki
Model	FX921V-S04
Engine Type	4-Stroke, OHV, V-Twin
Fuel	Gas Unleaded 86 Octane or Higher
Displacement	999cc
Bore/Stroke	89.15 mm x 80.0 mm (3.51" x 3.15")
Compression Ratio	8.4:1
Max Power	31.0 HP @ 3,600 RPM
Peak Torque	73.6 Nm (54.3 ft-lbs) @ 2,400 RPM
Starting System	Electric Start (Heavy-Duty Shift-Type Starter)
Charging System	15 Amp Charging Coil
Ignition System	Electronic Spark Ignition
Air Filtration	Dual-Stage Heavy-Duty Canister Air Filter
Cooling System	Air-Cooled with High-Efficiency Oil Cooler
Lubrication System	Pressurized Lubrication with Oil Filter
Oil Capacity	2.4 Liters (2.54 Quarts) with Oil Filter
Crankshaft Type	Keyed - Straight
Crankshaft Diameter	1-1/8" (28.575 mm)
Crankshaft Length	4-9/32" (108.8 mm)
Shaft I.D. Thread Size	7/16"-20 Drilled and Tapped
Bolt Pattern	4-Bolt
Dimensions (L x W x H)	508 mm x 500 mm x 686 mm (20.0" x 19.7" x 27.0")
Dry Weight	62.6 kg (138 lbs)

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