What does re jetting mean?
The holes regulate the amount of fuel that goes through the carburetor. Bigger jets allow more fuel and smaller jets allow less. The rejetting process figures out which size jets is needed to keep an engine running with the right mixture. Too little fuel and the engine may starve or overheat at high RPMs.
How do you know what jetting changes you need?
The only way to know what jetting changes you will need is by trial-and-error. No one can give you the perfect jetting specs because every bike is different. Every rider has a different style, and jetting is totally weather dependent.
How can I tell if my jet engine has changed color?
Sometimes the difference is hard to tell, especially when you only made a minor change in your jet. Go for full throttle and turn the engine off again and stop the motor. Check your spark plug again to see what he tells you. Repeat this process until the spark plug has the right color.
How can you tell if a spark plug is damaged?
Follow these instructions on how to remove a spark plug. Take the spark plug in your hand and begin looking at it for signs of damage. Look at end of the spark plug that was in the cylinder and examine it. You will likely see one of the following conditions. A normal spark plug will have brown or grayish-tan deposits on the side electrode.
How to tell if your main jet is too lean?
A way to tell if your main jet is too lean is to back off slightly. If it accelerates or feels like it has more power, then it’s lean. Another way is to gently pull the choke up while riding along. If it goes better when you do this, it’s lean.
Sometimes the difference is hard to tell, especially when you only made a minor change in your jet. Go for full throttle and turn the engine off again and stop the motor. Check your spark plug again to see what he tells you. Repeat this process until the spark plug has the right color.
What to consider before ordering a rejetting jet?
Confirm jet dimensions before ordering. The first thing to consider before rejetting is get all jets from 1 place that is strict about the quality of their jets. Our goal is consistent jetting results. All our jets have been manufactured in the same plants since we opened.
What’s the best way to check a spark plug?
Blow out the spark plug mounting holes with an air hose to clean any debris or residue that might exist. Carefully reinstall the spark plug by using either your fingers or the spark plug socket, and torque it to spec with a torque wrench. If you are working on a small engine, you can get away with just tightening the spark plug down firm.
Why do I need to change my jetting screws?
As the temperature changes season to season the jetting will need to be changed so screws that won’t strip and some extra jets will be used later. Many will look at jetting charts and infer from it the jet which is affecting carburetor circuit.