PDF Service Manual (148 pages) for Kohler K-Series single-cylinder engines:
K91 K141 K161 K181 K241 K301 K321 K341
This manual is built for real shop work: maintenance schedules, troubleshooting guidance, complete disassembly, inspection/repair procedures, and step-by-step reassembly. A dedicated Special Tools section references the Special Service Tool Kit No. 3211-A and related tools used during teardown and rebuild.
Quick Navigation
What’s inside this service manual
- Periodic maintenance guidance and service intervals
- Troubleshooting to help diagnose common running/starting issues
- Air cleaner & intake system service procedures
- Fuel system & governor information and adjustments
- Retractable starter service and operation notes
- Electrical systems coverage (ignition/charging system components)
- Automatic Compression Release (ACR) explanation and operation
- Complete disassembly and inspection/repair guidance
- Reassembly sequence notes and build guidance (use new gaskets, follow torque values/clearances)
- Special tools reference (includes Special Service Tool Kit No. 3211-A)
Who this manual is for
- Owners restoring or maintaining Kohler K-Series single-cylinder engines
- Garden tractor, vintage equipment, and small engine repair shops
- Anyone doing a teardown/rebuild and wanting the correct service workflow
Manual contents (12 sections)
- General Information
- Special Tools
- Periodic Maintenance
- Troubleshooting
- Air Cleaner and Air Intake System
- Fuel System and Governor
- Retractable Starters
- Electrical Systems and Components
- Automatic Compression Release
- Disassembly
- Inspection and Repair
- Reassembly
FAQ
Which engines does this manual cover?
Kohler K-Series single cylinder engines: K91, K141, K161, K181, K241, K301, K321, and K341.
Is this an operator’s manual or a service manual?
This is a service manual intended for maintenance, troubleshooting, teardown, inspection/repair, and reassembly.
Does it include troubleshooting and rebuild coverage?
Yes—there are dedicated sections for Troubleshooting, Disassembly, Inspection and Repair, and Reassembly.
Is this a digital download?
Yes—this product is delivered as a PDF digital download.