I'm embarrassed to say it hasn't been changed since the 50 hour tune up and it has 1235 hours on it. When I do use it, it is for several times a day for 5 to 15 minutes at a time.
Great. Let it warm up and drive a bit before changing those fluids. We want to get the sediment to drain out as much as possible too. That magnetic plug will probably shock you. bordercollie