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« on: September 06, 2023, 11:11:04 PM »
Hi Macguyverkevin, looks like you have some serious problems, I do hope you have not fried the pistons. They are aluminium and will seize without sufficient lubrication. You are going to have to dismantle to asses the damage if it has not freed up as it cooled down.
I doubt the problem was caused by external the fuel lift pump, these are a diaphragm pump and if the diaphragm perforates they do not pump any fuel and the generator would not start but check it anyway.
Much more likely to be an internal fuel leak, if you remove the crankcase door you will be able to see the three fuel injector pumps. Each pump has a banjo bolt connected to the low pressure fuel inlet pipe, check each of these for leaks. Each pump has a high pressure pipe coming out of the top, check each of these for leaks.
Remove the three rocker covers, you will now be able to see the fuel injectors, each of these has a high pressure fuel pipe connected to it. check these for leaks.
Let us know what you find, good luck.
Bob