Recent content by gregbasso

After removing and screwing back the oil pressure gauge while engine was running (oil pressure was reading a steady 30psi), oil pressure gauge began to bounce rapidly between 0 and 50. As engine continued to run, this bouncing subsided. I'm wondering if a trapped air bubble could cause this...

I feel somewhat at a loss for not owning a cool B5100 tractor this engine sits in. Alas, this particular B500 has been doing duty powering a sailboat for the last 30 years. That's a long time but I doubt it amounts to more than 700 hours of operation. This marine version of the B500 was sold by...