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Have gotten my engine back together after too long a time. How can I prime the injectors and fill fuels lines up to them before trying to start it? Lots of time and money in this so am hoping for the best. First time with a diesel and this type of injectors. Thanks

I have a new head for my engine and I need to remove the injector seats in the old head and install them in the new one. What is the best way to do this without damaging anything?

Bad news at the machine shop today. The No. 2 cyl was cracked from the injector to the valve. My tractor is a Yanmar 4300 with the 3T90Y engine. Don't know if the " Y" is significant or not. If anyone has a head to fit a 3T90 yanmar or knows of one I sure would like to hear about it Thanks

I have just purchased a very expensive head gasket for my three cyl. Yanmar I really need to get this right the first time, so I am asking for advice from Yanmar folks that have been there, done that. I have an I-T Manual also. What kind of adhesive is used on these gaskets to help seal...

Hello from Hot Springs National Park, Arkansas. Being new to Yanmar diesels I would like to find out about the decompression system. If its on there I want to use it right. What is its purpose? When do you use it? Why? Any info is appreciated.