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Oil hole was present in the wrist bearing in all of the cylinders even number one cylinder. In the number one wrist the bearing oil hole was not centered over the oil hole in the wrist. It was about half covered but can not determine if that was the way it was installed or the bearing spun...

Will check it tonight and respond in morning. Thanks

Thanks for the response. There appeared to be no other identifiable causes than the rod in backwards. The engine had 60 hours of run time at 2300 rpm or less. Before I identified the rod was in backwards it appeared the wrist pin broke after the bearing in the wrist completely disappeared on...

I recently had my v1305 diesel engine rebuilt. It was a pre 1997 model and aftermarket parts were used in the rebuild as no one could look up the old serial number to find if Kubata even had rebuild parts. I was also told that this pre 1997 engine could not be rebuilt after the failure. After...