How to address fuel filter restriction in my Kohler 35EFKOZD?
- AAndrew FosterAug 25, 2025
If the fuel filter of your Kohler Portable Generator is restricted, clean or replace the fuel filter. The cause is fuel filter restriction.

How to address fuel filter restriction in my Kohler 35EFKOZD?
If the fuel filter of your Kohler Portable Generator is restricted, clean or replace the fuel filter. The cause is fuel filter restriction.
What to do if my Kohler 35EFKOZD runs out of fuel or the fuel valve is off?
If your Kohler Portable Generator's fuel tank is empty or the fuel valve is shut off, add fuel and move the fuel valve to the ON position. This is because the fuel tank is either empty, or the fuel valve is shut off.
How to fix loose or corroded battery connections on a Kohler 35EFKOZD?
If the battery connections of your Kohler Portable Generator are loose, corroded, or incorrect, verify that the battery connections are correct, clean, and tight. The cause of this problem is that the battery connections are loose, corroded, or incorrect.
What to do if my Kohler Portable Generator is experiencing an engine overload?
If your Kohler Portable Generator experiences an engine overload, reduce the electrical load. The cause is engine overload.
What to do if my Kohler 35EFKOZD Portable Generator shuts down due to low oil pressure?
If your Kohler Portable Generator experiences a low oil pressure shutdown, check the oil level. This is due to low oil pressure shutdown.
How to fix an exhaust system leak on my Kohler Portable Generator?
If you discover an exhaust system leak in your Kohler Portable Generator, inspect the exhaust system and replace any inoperative exhaust system components. This is because there is an exhaust system leak.
How to secure a loosely installed exhaust system on my Kohler Portable Generator?
If the exhaust system of your Kohler Portable Generator is not securely installed, inspect the exhaust system and tighten any loose components. This is because the exhaust system is not securely installed.
What to do if the transfer switch test switch is in the OFF position on my Kohler 35EFKOZD?
If the transfer switch test switch is in the OFF position on your Kohler Portable Generator, move the transfer switch test switch to the AUTO position. This is because the transfer switch test switch is in the OFF position.
What to do if the oil level is low in my Kohler Portable Generator?
If the oil level is low in your Kohler Portable Generator, restore the oil level and inspect the generator set for any oil leaks. The reason for this is that the oil level is low.
How to replace a fuse on a Kohler 35EFKOZD Portable Generator?
To replace a fuse on your Kohler Portable Generator, use fuses of the same ampere rating and type (for example: 3AB or 314, ceramic). Do not substitute clear glass-type fuses for ceramic fuses.
| Fuel Type | Gasoline |
|---|---|
| Frequency | 60 Hz |
| Generator Type | Portable |
| Engine Type | 4-stroke OHV |
| Rated Wattage | 3500 Watts |
| Peak Wattage | 4375 Watts |
| Voltage | 120V |
| Warranty | 3 years limited warranty |
Perform essential checks before starting the generator set, covering air inlets, battery, coolant, and belts.
Recommendations for vessel and generator exhaust system inspection at the start of the boating season.
Details specific angular operation limits for different generator set models.
Recommends maintaining a minimum load profile to prevent engine corrosion and wet stacking.
Provides power source, power drain, humidity, and temperature specifications for the Decision-Maker® 3500.
Explains essential data for controller function: application program, personality profile, and user parameters.
Details controller front panel features including display, buttons, lamps, and USB connection.
Provides access to generator and engine metering data, displaying various operational parameters.
Displays generator set operational data such as run time, starts, maintenance records, and serial numbers.
Allows configuration of language, units, time/date format, contrast, and alarm silence settings.
Configures digital and analog inputs for warning/shutdowns and digital outputs for auxiliary functions.
Explains controller modes (OFF, RUN, AUTO) and system start/stop signals and engine cooldown.
Provides a quick reference to digital display data and summarizes main level and sub-level menu items.
Details accessing controller data via digital display or PC using SiteTech™ software.
Covers essential safety precautions and general maintenance guidelines for the generator set.
Provides a detailed maintenance schedule based on hours or time intervals for specific models.
Provides a detailed maintenance schedule based on hours or time intervals for specific models.
Specifies operating limits for the first 50 hours to ensure proper engine break-in.
Details oil specifications, checking oil level, and the oil change procedure.
Covers fuel specifications, fuel filter replacement, and fuel system bleeding procedures.
Procedure for cleaning or replacing the dry-type air cleaner element for specific models.
Guidelines for inspecting the exhaust system for leaks, blockages, and corrosion.
Information on checking and filling coolant, flushing, cleaning, and pressure cap.
Procedure for checking and adjusting belt tension for the seawater pump and alternator.
Refers to manufacturer's instructions for battery care and maintenance.
Step-by-step guide for storing the generator set for extended periods.
Troubleshooting guide for controller display issues and voltage regulation problems.
Table listing point-to-point, schematic, and accessory wiring diagrams for various models.