Onan Carburetor Replacement Restore Your RV Generator’s Performance

Onan Carburetor Replacement Restore Your RV Generator’s Performance

Blog Article

The carburetor is a crucial component of an Onan generator, responsible for mixing air and fuel for efficient combustion. Over time, carburetors can become clogged with varnish, debris, or old fuel, leading to starting issues, rough running, or stalling. If cleaning doesn't resolve the problem, a carburetor replacement is often the best solution.

Signs You Need to Replace Your Onan Carburetor
Generator won’t start or struggles to stay running.
Surging or uneven engine speed.
Black smoke from the exhaust (indicating a rich fuel mixture).
Fuel leaks around the carburetor.
Tools & Parts Needed for Replacement
New Onan carburetor (specific to your generator model).
Socket wrench set & screwdrivers.
Carburetor cleaner.
Fuel line clamps & fresh fuel filter.
How to Replace an Onan Generator Carburetor
Step 1: Turn Off Power & Fuel Supply
Disconnect the battery and turn off the fuel supply to prevent leaks.
Step 2: Remove the Old Carburetor
Locate the carburetor (typically near the air filter).
Remove the air filter housing and linkage connections.
Carefully detach the fuel line and unscrew the carburetor from the engine.
Step 3: Install the New Carburetor
Mount the new carburetor securely in place.
Reconnect the fuel line, throttle linkages, and air filter housing.
Step 4: Test the Generator
Reconnect the battery and fuel supply.
Start the generator and check for leaks or rough running.
Adjust the idle and fuel mixture screws if necessary.
Maintenance Tips to Extend Carburetor Life
Run the generator regularly to prevent fuel from gumming up.
Use fresh fuel and add a stabilizer when storing the generator.
Clean the air filter and fuel system to prevent clogs.
Replacing an Onan generator carburetor ensures smooth operation and reliable power when you need it most. If you’re unsure about replacing it yourself, seek help from a professional RV generator technician.