HOW TO CHANGE OUT A HARLEY DAVIDSON MAIN JET (EASY AND THOROUGH)

*How to Change Out a Main Jet on a Carburetor and Why It’s Important During Traveling*
GENERAL RULE OF THUMB, FOR EVERY 2000' Of ELEVATION CHANGE YOU DROP OR ADD ONE JET SIZE.
Changing out the main jet on your carburetor is a critical adjustment, especially when traveling through varying altitudes or climates. The main jet controls the flow of fuel into the carburetor, which directly affects the air-fuel mixture that powers your engine. An incorrect jet size can lead to poor engine performance, increased fuel consumption, or even engine damage.
*Steps to Change the Main Jet:*
1. *Prepare Your Workspace:*
- Ensure the motorcycle is parked on a stable surface and the engine is cool.
- Gather necessary tools: a screwdriver, socket wrench, and the new main jet.
2. *Access the Carburetor:*
- Remove the seat and gas tank to access the carburetor. Depending on your bike model, you may also need to remove additional panels.
3. *Drain the Carburetor:*
- Place a container beneath the carburetor to catch any fuel, then open the drain screw to empty the bowl.
4. *Remove the Carburetor Bowl:*
- Use a screwdriver to carefully remove the screws holding the carburetor bowl in place. Be cautious not to damage the gasket.
5. *Swap Out the Main Jet:*
- Locate the main jet at the bottom of the carburetor. Use a socket wrench to unscrew the existing jet and replace it with the correct size for your needs. Ensure it is securely tightened but avoid over-tightening.
6. *Reassemble and Test:*
- Reattach the carburetor bowl, ensuring the gasket is properly seated to avoid leaks. Reassemble the bike components and test the engine to confirm smooth operation.
*Why It’s Important During Traveling:*
When you’re traveling, especially across different elevations or climates, the air density changes, affecting the air-fuel ratio in your engine. For instance, at higher altitudes, the air is thinner, requiring a smaller main jet to maintain optimal engine performance. Failing to adjust the main jet can lead to issues such as:
- *Engine Running Too Rich:* If the jet is too large, excess fuel can cause the engine to bog down or foul the spark plugs.
- *Engine Running Too Lean:* If the jet is too small, insufficient fuel can cause the engine to overheat or misfire.
By properly adjusting the main jet during your travels, you ensure that your motorcycle runs smoothly and efficiently, regardless of the terrain or weather conditions.

[@771cycles]

Good stuff. Thanks bro. 🤘🏻

[@Papajon2.0]

🔥🔥

[@NICKBALLOON]

Good vidoe man!
You ahould let people know why you would change the jets.

[@Gnarlys_Garage]

Good idea! I added a little thing in the bio. I appreciate that!

[@codypatt7407]

Give us toolbox tour

[@Crateix]

Next video: how to clean a carb

[@MrTheDays1]

Become teacher!!!!