Big Carburetor – Lean Bog and Main Jet Explanation

Big Carburetor – Lean Bog and Main Jet Explanation

Big Carburetor – Lean Bog and Main Jet Explanation

The graphs shown above are describing horsepower and Air/Fuel mixture of a motor versus engine speed. The power scale is on the left, and the Air/Fuel mixture scale is on the right. An ideal Air/Fuel mixture for best power is near 13:1. A lean mixture is