Electronic Fuel Injection (PGM-FI) of the Honda CBR125R
Source After installing the Athena 166cc cylinder and piston bore up kit, the Kijima and Daytona air filters, and the Akrapovic carbon racing exhaust, the quantity of air inhaled by the engine has been increased. As explained in other posts, in a gasoline internal combustion engine, it is necessary to inject the correct amount of fuel (gasoline) depending on the quantity of air which the engine is breathing. This mass stoichiometric ratio is fixed (air-fuel mixture ratio), and, theoretically, should be equal…