First of all sorry for the late reply as we have been busy these past few days. After further testing and checking we have determined that there is a problem with the governor, it is coupled with the fuel pump. we have tried to test the engine again but even though it is in idle the RPM suddenly sho...

Good day I have a serious question Our lifeboat engine experienced dieseling/run on during routine testing, the engine didn't even stop when using the stop lever we were forced to cut off the fuel supply of the engine. Lifeboat's engine YANMAR 3JH25A, You can see the manual online 3JH2 series for ya...