Kohler Command Pro CS 4-12.75HP Horizontal Crankshaft Factory Service Repair Manual

Since 1873, Kohler Co. has been improving the level of gracious living by providing exceptional products and services for our customers’ homes and their lifestyles. We believe better business and a better world go hand-in-hand. Fueled by the passion of more than 40,000 associates worldwide, we strive to enhance the quality of life for current and future generations through design, craftsmanship and innovation.

• Engine design: These are 4-cycle, overhead-valve (OHV) engines with cast iron cylinder sleeves for added durability.
• High durability: The series is built for commercial use, featuring dual ball bearings and a heavy-duty forged-steel crankshaft for long engine life.
• Protection features: A standard Oil Sentry™ sensor automatically shuts down the engine when oil levels drop too low.
• Convenience: Features like an automatic compression release allow for easier, quicker starting.
• Fuel system: The engines are equipped with a carburetor and a mechanical governor.
• Variations: The horsepower, starting method (recoil or electric), and crankshaft style (tapered, threaded, or straight) vary between different models in the CS series. 

• Rated Horsepower: 12.75 hp (9.51 kW) at 3600 RPM
• Displacement: 21.8 cu. in. (357 cc)
• Cylinders: Single
• Bore x Stroke: 3.35 in (85 mm) x 2.5 in (63 mm)
• Lubrication: Splash
• Oil Capacity: 1.1 quarts (1 L) 

• Starting issues: Problems with the recoil starter (CS4T) or the electric starter can occur. Troubleshooting involves checking the starter components, battery (for electric start), spark plugs, and fuel system.
• Carburetor clogging: Like other carbureted engines, the CS series can experience issues with fuel delivery due to contaminants or ethanol in fuel, leading to stalling, rough idling, or surging. The owner’s manual suggests proper fuel storage procedures to prevent this.
• Oil leaks: Common wear and tear can cause oil leaks around gaskets or seals. Regular inspections are recommended.
• Governor issues: Problems with the mechanical governor can cause the engine speed to fluctuate uncontrollably. 

• Service manuals: Comprehensive service and repair manuals for the Kohler Command PRO CS 4–12.75 HP horizontal crankshaft engines are available from online retailers.
• Parts: OEM parts, including air filters, carburetors, gaskets, and seals, can be found through retailers like PartsTree and OPEengines.com.
• Carburetors: Aftermarket replacement carburetors for specific models like the CS4 are available on Amazon and eBay. 

• Northern Tool: Sells new Kohler Command PRO CS horizontal engines.
• PartsTree: Offers diagrams and a wide selection of OEM parts for the CS series.
• OPEengines.com: Provides a variety of OEM and aftermarket parts for Kohler engines, including the CS series.
• eReplacementParts.com: Sells genuine OEM parts for CS series engines, searchable by model number.
• eBay: Find new and used engines, parts, and manuals for the Command PRO CS series.