Kohler Courage SV740 User Manual

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Service Manual

SV710-SV740

SV810-SV840

2 Safety

3 Maintenance

5 Speciﬁ cations

14 Tools and Aids

17 Troubleshooting

21 Air Cleaner/Intake

22 Fuel System

30 Governor System

31 Lubrication System

33 Electrical System

45 Starter System

51 Emission Compliant Systems

54 Disassembly/Inspection and Service

68 Reassembly

132 690 01 Rev. G KohlerEngines.com

IMPORTANT: Read all safety precautions and instructions carefully before operating equipment. Refer to operating

instruction of equipment that this engine powers.

Ensure engine is stopped and level before performing any maintenance or service.

Table of Contents

Questions and Answers:

C
crystal57Aug 17, 2025
How to fix Kohler Courage SV740 that cranks but won't start?
- J
  Jeffery Smith IIIAug 17, 2025
  If your Kohler Engine cranks but doesn't start, here are several things to check: * Ensure the fuel shut-off valve is open. * Refill the fuel tank if it's empty. * Make sure the key switch or kill switch is in the ON position. * Check battery connections and replace any blown fuses. * Use clean, fresh fuel. Also, inspect the choke, fuel line, fuel filter, carburetor solenoid, diode in the wiring harness, DSAI or DSAM, electronic control unit, ignition coils, and spark plugs. Repair or replace any faulty components.
L
Lawrence HuberAug 19, 2025
How to troubleshoot a Kohler Courage SV740 Engine that starts hard?
- R
  Robert BeckerAug 19, 2025
  If your Kohler Engine is starting hard, consider these potential causes: * Ensure you're using clean, fresh fuel. * Check or replace the interlock switch. * Allow the engine to cool down if it's overheated. * Clean or replace the clogged fuel line or fuel filter. Also, inspect the spark plugs, ACR mechanism, choke and throttle controls, and flywheel key. Secure any loose wires and check the engine compression.
J
Jodi TaylorAug 22, 2025
Why does my Kohler Courage SV740 Engine start but not keep running?
- P
  Peter Yates MDAug 22, 2025
  If your Kohler Engine starts but doesn't keep running, the issue might be due to: * Using poor quality fuel. Try using clean, fresh fuel. * A restricted fuel tank cap vent. Clear the vent. Additionally, inspect the carburetor, cylinder head gasket, choke and throttle controls, and fuel pump. Fix any intake system leaks and secure any loose wires.
J
James AnthonyAug 25, 2025
How do I troubleshoot a Kohler Courage SV740 Engine that won't idle?
- T
  Teresa DavisAug 25, 2025
  If your Kohler Engine will not idle, consider the following: * Ensure you're using clean, fresh fuel. * Clear the restricted fuel tank cap vent. * Check for and rectify adequate fuel supply. * Allow the engine to cool down if it overheated. Also, inspect the spark plugs, and adjust the idle fuel adjusting needle(s) and idle speed adjusting screw. Check engine compression.
H
Hector SpencerAug 28, 2025
What causes a Kohler Engine to use an excessive amount of oil?
- M
  Makayla SmithAug 28, 2025
  If your Kohler Engine uses an excessive amount of oil, several factors could be responsible: * Ensure correct oil viscosity/type is used. * Drain excess oil from the crankcase if it is overfilled. Also, inspect for a broken breather reed, a clogged crankcase breather, and worn cylinder bore, piston rings, valve stems or valve guides. Tighten any loose fasteners and repair or replace the blown head gasket.
A
Angela ButlerAug 30, 2025
Why is my Kohler Courage SV740 losing power?
- S
  Sarah ChapmanAug 30, 2025
  Your Kohler Engine might be losing power due to several reasons. Check the following: * Ensure the air cleaner element is clean or replace it if dirty. * Make sure the engine isn't overheating. * Reduce the engine load if it's excessive. * Remove any restrictions from the exhaust. * Use clean, fresh fuel. Also, inspect the spark plugs, battery, and crankcase oil level. Adjust the governor setting and check the engine compression.
Y
ybrownSep 2, 2025
What to do if my Kohler Engine overheats?
- L
  Lisa WoodSep 2, 2025
  If your Kohler Engine is overheating, try the following: * Reduce the engine load. * Add oil to the crankcase if the oil level is low. * Check and refill the cooling system fluid if the level is low. Also, inspect the cooling fan, fan belt, carburetor, and water pump. Clean or replace the radiator and cooling system components, and adjust the crankcase oil level and fuel mixture.
T
Taylor WallaceSep 5, 2025
What causes a Kohler Courage SV740 Engine to not crank?
- J
  Justin BauerSep 5, 2025
  If your Kohler Engine will not crank, consider these potential issues: * The battery may be discharged. Charge or replace the battery. * The key switch or ignition switch may be faulty. Replace the switch. * The interlock switch may be engaged or faulty. Check or replace the interlock switch. Also, inspect the electric starter, solenoid, and pawls. Secure any loose wires and inspect for seized internal engine components.
J
Jessica LarsonSep 7, 2025
How to fix a Kohler Engine that runs but misses?
- B
  Brian MartinezSep 7, 2025
  If your Kohler Engine runs but misses, check these potential causes: * Ensure you are using clean, fresh fuel. * Reconnect any disconnected spark plug leads and tighten any loose leads. * Allow the engine to cool down if it overheated. Also, inspect the carburetor, spark plugs, and ignition module(s). Adjust the crankshaft position sensor air gap, and check or replace the interlock switch. Secure any loose wires.
D
Dr. Barry SchmidtSep 10, 2025
Why is my Kohler Courage SV740 Engine knocking?
- M
  mcintoshdaveSep 10, 2025
  If your Kohler Engine is knocking, the problem could be due to: * Using incorrect oil viscosity/type. Ensure the correct oil is used. * Low crankcase oil level. Add oil to the crankcase. * Excessive engine load. Reduce the engine load. * Poor fuel quality. Use clean, fresh fuel. Also, inspect for hydraulic lifter malfunction and internal wear or damage.

Kohler Courage SV740 Specifications

General

Brand	Kohler
Model	Courage SV740
Category	Engine
Language	English

Summary

Safety Precautions

General Safety Warnings

Covers hazards like explosive fuel, carbon monoxide, and rotating parts.

California Proposition 65 Warning

Chemical warning for California residents regarding cancer and birth defects.

Operational Procedures

Pre-Start Checklist

Essential checks before starting the engine, including oil and fuel levels.

Starting and Stopping

Instructions for safely starting and stopping the engine.

Operating Conditions

Guidance on angle of operation, engine speed, and high altitude use.

Maintenance and Service

Maintenance Schedule

Recommended service intervals for engine upkeep (25, 100, 200, 500 hours).

Oil Management and Recommendations

Guidelines on oil type, checking level, and changing oil/filter.

Component Maintenance

Procedures for servicing spark plugs and air cleaner elements.

Storage Preparation

Steps for storing the engine when not in use for extended periods.

Troubleshooting and Specifications

Troubleshooting Engine Problems

Common engine issues and their possible causes.

Engine Specifications Overview

Key technical data including bore, stroke, displacement, and oil capacity.

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