Target Audience:
Professional technicians, small-engine mechanics, and DIY owners servicing Kohler Command engines
Content Level:
Factory-level repair procedures, diagnostics, and specifications
Key Advantage:
Complete overhaul, troubleshooting, and maintenance coverage for the CH680 CH23 in one searchable PDF
Intended Use:
Engine service, repair, rebuild, and restoration work on Command Pro equipment
Delivery Method:
Instant digital download
Binding:
Digital (no physical binding)
Device Compatibility:
Computer, tablet, or phone; printable pages
Manual Type:
Service repair workshop manual
Coverage Areas:
General information, safety, maintenance, troubleshooting, and complete engine overhaul
Page Count:
N/A - not specified in source catalog record
General Information:
Safety warnings, specifications, and identification data
Maintenance:
Scheduled service intervals and lubrication procedures
Fuel System:
Carburetor removal, inspection, and rebuild procedures
Ignition System:
Electronic ignition testing and troubleshooting
Charging System:
Starter and alternator/charging circuit diagnostics
Lubrication System:
Oil pump, pressure relief, and oil flow testing
Cooling System:
Air intake, cooling shrouds, and fin cleaning procedures
Crankshaft & Bearings:
Inspection, measurement, and replacement specifications
Pistons & Rings:
Removal, wear limits, and installation procedures
Cylinder Heads & Valves:
Valve service, clearances, and head resurfacing data
Camshaft & Valve Train:
Timing, lifters, and rocker arm procedures
Governor System:
Governor adjustment and linkage setup
Electrical System:
Wiring diagrams and electrical troubleshooting
Complete Overhaul:
Full teardown and reassembly with torque specifications
Troubleshooting:
Symptom-based diagnostic charts for no-start, hard start, and performance issues
Torque Specifications:
Included for all fasteners and components
Wear Limits:
Included for internal engine components
Special Tools:
Listed where required for procedures
Parts Information:
Component identification and exploded-view references
Technical Depth:
Factory-level detail with step-by-step instructions
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Kohler Command Pro CH680, air-cooled 4-cycle gasoline V-twin
Displacement:
674 cc (41.1 cu in)
Configuration:
90-degree V-twin, OHV
Fuel System:
Carbureted with fixed-jet carburetor
Cooling:
Forced air cooling
Lubrication:
Full-pressure lubrication with spin-on oil filter
Ignition:
Electronic (Magneto) ignition
Crash Ratings:
N/A - not applicable to a stationary/industrial engine
Oil Sentry:
Low-oil pressure shutdown system covered in manual
Safety Warnings:
Safety precautions and warnings included throughout the manual
Interlock Wiring:
Equipment safety switch circuits covered in electrical diagrams
Oil Change Interval:
Every 100 hours of operation (more often under heavy load or dusty conditions)
Oil Type:
SAE 10W-30 API Service Class SJ or higher
Oil Filter:
Replace with every oil change
Air Filter:
Inspect/clean every 25 hours; replace yearly or as needed
Spark Plug:
Inspect and regap every 100 hours; replace every 200 hours
Fuel Filter:
Replace periodically; inspect lines for cracking
Valve Clearance:
Check and adjust after first 100 hours, then as needed
Cooling Fins:
Clean shrouds and cooling fins regularly to prevent overheating
Known Issues:
Carburetor gumming from stale fuel and cooling-fin clogging are common wear points on Command engines
Manufacturer:
Kohler Co., founded 1873 in Kohler, Wisconsin, USA
Engine Family:
Command series introduced in the 1990s as premium air-cooled twin-cylinder engines for commercial and consumer equipment
Command Pro Line:
Heavy-duty professional variant of the Command series for commercial mowers, generators, and industrial equipment
Production Location:
Manufactured in the USA by Kohler small engine operations
