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Thanks for the reply. The engine was used. I removed it from a non functioning gen set. It is a 2004 model but I believe it sat for about two years prior to my purchase. No rust and the rest of the internal parts look good. The balance shaft bearing on the flywheel side seems tight but that could be...

Anyone ever seen a crank bearing do this?

My L100-EE started to sound like the crankcase was full of gravel. I wanted to cry when I removed the oil filter and found it full of bearing material.

Just getting started with performance and emissions testing for standard diesel. I made an adapter for the tapered shaft and used a splined drive shaft to connect to the DC absorbing motor. The max speed on the DC motor is 1750 rpm so I used a 3:1 belt reduction to bring the max testing speed up to ...

Problem solved... The difference in the injection pump is just the direction of the fuel inlet pipe. My issue was actually with the governor assembly.

I have a Yanmar L100EE that I removed from a gen set and installed on a DC dynomometer for performance and emissions testing. I'm having problems controlling the engine speed. At zero load I can get the speed down to around 3200 RPM before it slows to a stall. My question regards the injection pump....