News — colorado tuning chart

Carburetor help, jetting, and tuning help:

colorado tuning chart Everything You need to know about carburetors how to rejet a carburetor How to tune a carburetor tuning in colorado

Carburetor help, jetting, and tuning help:

Basics of a carburetor: The carburetor consists of four components:  Pilot Jet - this controls the amount of fuel when idling Main Jet - this controls the fuel when you open up the throttle (between 50 and 100 percent power) Jet Needle - this controls the fuel when you open and close the throttle (between 20 and 80 percent power) Needle Jet - this is what the jet needle pops in and out of (between 15 to 60 percent of throttle ______________________________________________ Main jet tuning: perfect air fuel ratio is 12.5-1 Denver formula for 70 degrees at 5300 feet is...

Read more →