2. General information 2.1. Outline of MP pump MP pump is a fuel injection pump that has been newly developed to be installed on Yanmar direct injection system diesel engines for the purpose of complying with the regulation for the exhaust gas emission that are becoming tighter in the future. The fuel injection pump is a fuel distribution type pump that supplies fuel to each cylinder of the engine through a distribution shaft by using a single plunger unlike conventional rail system or distribution system pumps. ! Pump name plate Injection Pump No. Fuel Injection Pump Asy. code ID code for Exh.gas regulation FIE ASY code ID code for production Serial numbers 4