The Kawasaki FX850V-S00 27 HP commercial engine provides 852cc V-twin power for compatible zero-turn mowers, commercial riding mowers and professional landscaping equipment. This configuration features a 1-1/8" diameter x 4-9/32" long keyed vertical shaft.
If you are replacing a worn commercial mower engine, the FX850V-S00 offers Kawasaki FX Series construction with electric starting, heavy-duty canister air filtration, pressurized lubrication and a high-efficiency oil cooler.
At Carroll Stream Motor Company, we help customers compare replacement engines, identify shaft specifications and review the requirements of their existing equipment before making a purchase.
Why Choose the Kawasaki FX850V-S00?
The Kawasaki FX850V-S00 belongs to the manufacturer's FX Series, a commercial engine lineup designed for professional mowing applications.
The FX850V produces 27 horsepower at 3,600 RPM and up to 45.6 ft-lbs of torque at 2,400 RPM from its 852cc four-stroke V-twin engine configuration.
Its durable construction, heavy-duty filtration and serviceable components make it an option for operators replacing an existing engine on compatible commercial turf equipment.
Kawasaki FX850V Commercial Engine Features
FX850V-S00 1-1/8" x 4-9/32" Vertical Shaft
Choosing the correct output shaft is essential when purchasing a replacement lawn mower engine. The Kawasaki FX850V-S00 configuration is listed with a straight, keyed vertical shaft measuring 1-1/8 inches in diameter and 4-9/32 inches in length.
The output shaft connects to equipment-specific drive components, such as the electric PTO clutch or pulley. Even engines sharing the same horsepower may differ in crankshaft dimensions, electrical connections or installation requirements.
- Crankshaft orientation: Vertical
- Nominal diameter: 1-1/8" (28.575 mm)
- Nominal length: 4-9/32" (approximately 108.7 mm)
- Shaft configuration: Straight, keyed
- Keyway and end threads: Verify against supplied engine and existing equipment
Engine Components and Package Information
The FX850V engine platform includes numerous heavy-duty components. Some package details below reference the comparable FX850V-S00-S replacement configuration. Verify included items for the specific engine being supplied.
| Component | Details |
|---|---|
| Starter | Heavy-duty electric shift-type |
| Charging System | 15 Amp on referenced S00-S configuration |
| Fuel Delivery | Twin-barrel carburetor with fuel shut-off solenoid |
| Fuel Pump | Listed with referenced S00-S package |
| Air Cleaner | Multi-stage canister filter |
| Oil Cooler | High-efficiency engine oil cooler |
| Lubrication | Pressurized with replaceable oil filter |
| Oil Capacity with Filter | 2.4 U.S. quarts (2.3 L) |
| Muffler | Not included in referenced S00-S package; verify actual contents |
| Fuel Tank | Not integrated into referenced S00-S package |
Kawasaki FX850V-S00 Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | Kawasaki |
| Model | FX850V-S00 |
| Engine Series | Kawasaki FX Series |
| Maximum Power | 27 HP at 3,600 RPM |
| Maximum Torque | 45.6 ft-lbs at 2,400 RPM |
| Displacement | 852cc (52.0 cu. in.) |
| Engine Design | Four-stroke, 90-degree V-twin, overhead V-valve |
| Number of Cylinders | 2 |
| Bore x Stroke | 3.33" x 2.99" (84.5 x 76 mm) |
| Compression Ratio | 8.2:1 |
| Fuel Type | Gasoline |
| Crankshaft Orientation | Vertical |
| Crankshaft Diameter | 1-1/8" (28.575 mm) |
| Crankshaft Length | 4-9/32" (approximately 108.7 mm) |
| Crankshaft Style | Straight, keyed |
| Starting System | Electric shift-type starter |
| Ignition | Electronic spark ignition |
| Oil Cooler | High-efficiency oil cooler |
| Lubrication | Pressurized lubrication |
| Oil Capacity with Filter | 2.4 U.S. qt (2.3 L) |
| Air Filter | Multi-stage canister air filter |
| Cooling | Forced-air cooled |
| Dry Engine Weight | 124.0 lbs (56.4 kg), manufacturer reference |
| Manufacturer Dimensions | 19.21" x 18.30" x 24.64" |
| Applications | Compatible commercial zero-turn and professional turf equipment |
Manufacturer specifications refer to the Kawasaki FX850V engine family. Exact shaft configuration and included components should be verified using the full engine specification number. Dry weight is not shipping weight.
Commercial Mower Replacement Applications
The Kawasaki FX850V is designed for commercial turf-maintenance equipment requiring a compatible vertical-shaft V-twin engine. Its 27 HP power rating and heavy-duty construction make it relevant to operators of professional zero-turn mowers and commercial ride-on equipment.
Kawasaki-powered equipment appears across various mower brands, including Scag, Toro, Exmark, Bad Boy and other professional turf equipment manufacturers. However, not every model from these brands is compatible with the FX850V-S00.
Carroll Stream Motor Company recommends checking the complete original engine identification and mower specifications before selecting any replacement engine.
FX850V-S00 Replacement Engine Model References
Customers comparing Kawasaki replacement engines may encounter several related FX850V specification numbers. The following are research references identified in existing replacement catalogs.
FX850V S00 Family
Other FX850V Model References
Some repower research may also involve Kawasaki FX751V or FX801V engines. These engine families have different ratings and configuration options. They should not be considered universal direct replacements.
How to Verify the Correct Replacement Engine
Before ordering the Kawasaki FX850V-S00, review these important installation details.
- Identify the original engine. Record the complete Kawasaki model, specification number and serial information from the engine label.
- Check crankshaft measurements. Compare shaft diameter, length, keyway dimensions, end threads and PTO clutch position.
- Compare mounting requirements. Verify mounting hole locations, engine footprint and clearance around the mower frame.
- Review electrical connections. Check starter, charging output, wiring and safety-system compatibility.
- Inspect fuel and controls. Verify fuel connections, carburetor controls, throttle and choke linkage.
- Confirm exhaust requirements. Determine whether the existing muffler can be transferred or a different exhaust assembly is needed.
Have your mower make, model, serial number and original engine specification available when contacting Carroll Stream Motor Company. Our team can help you review the information needed to select an appropriate replacement.
Call 1-888-236-6690 .
FX850V Maintenance and Genuine Kawasaki Parts
The Kawasaki FX850V includes pressurized lubrication, a high-efficiency oil cooler and heavy-duty canister air filtration. Keeping these systems properly maintained helps protect the engine during regular use.
Routine service typically includes engine oil and oil filter replacement, air filter inspection, spark plug maintenance and cleaning the engine's cooling passages.
For servicing, follow the appropriate Kawasaki operator's manual and use parts matched to the complete engine model and specification.
Kawasaki FX850V Engine Video
View the available FX850V engine video for a closer look at the product. Confirm the specific model and included components against the product being purchased.
Explore Other Kawasaki Engines at Carroll Stream
Carroll Stream Motor Company offers additional Kawasaki engine models with different horsepower and shaft options. Review the specifications of each model before selecting an alternative.
Kawasaki FX850V-S00 FAQs
How much horsepower is the Kawasaki FX850V-S00?
The FX850V produces 27 HP at 3,600 RPM and maximum torque of 45.6 ft-lbs at 2,400 RPM.
What size crankshaft does the FX850V-S00 have?
The referenced S00 configuration has a keyed vertical crankshaft measuring 1-1/8 inches in diameter and 4-9/32 inches in length.
Is the FX850V-S00 a commercial engine?
Yes. The FX850V belongs to Kawasaki's FX Series of commercial mower engines. Its features include heavy-duty canister filtration, cast-iron cylinder liners and an oil cooler.
Does the Kawasaki FX850V have electric start?
Yes. Kawasaki specifies a heavy-duty electric shift-type starter for the FX850V engine. Verify the specific electrical configuration being purchased.
Does this engine include a muffler?
The comparable FX850V-S00-S replacement package is listed without a muffler. Confirm the exact package contents and exhaust requirements before ordering.
Does the FX850V-S00 have a 15-amp alternator?
A 15-amp alternator is listed for the referenced S00-S replacement configuration. Confirm the exact charging system of the supplied engine.
How much oil does the Kawasaki FX850V hold?
Kawasaki specifies 2.4 U.S. quarts (2.3 liters) with the oil filter. Follow the operator's manual and verify the final level with the dipstick.
Can the FX850V replace an FX801V?
Some replacement research includes FX801V applications, but the engines are not universally interchangeable. Check equipment approval, crankshaft, mounting, electrical and accessory requirements.
Can the FX850V replace an FX751V?
Certain repower applications may be evaluated using the FX850V. However, differences in engine ratings, dimensions, controls and mounting must be reviewed before installation.
What is the dry weight of the FX850V?
Kawasaki lists the FX850V dry weight as 124 lbs (56.4 kg). Packaged shipping weight can be higher.
Can Carroll Stream help confirm engine compatibility?
Carroll Stream Motor Company can help customers review replacement engine requirements. Have your original engine model, specification number and mower details available when contacting the team at 1-888-236-6690.
Official Kawasaki FX850V Specifications and Manuals
For manufacturer reference information and available operator documentation, visit the official Kawasaki resources.
Order the Kawasaki FX850V-S00 from Carroll Stream
Looking for a Kawasaki 27 HP replacement engine for your commercial mower? The FX850V-S00 combines 852cc V-twin power with a 1-1/8" x 4-9/32" keyed vertical shaft.
Review your engine specifications, confirm compatibility and check the current product availability and delivery options before ordering.
Need Help With Your Engine Selection? Call Carroll Stream Motor Company at 1-888-236-6690 .
Engine specifications and included components can vary by manufacturer suffix and configuration. Cross-reference information does not guarantee direct fitment. Always confirm compatibility before purchasing.
