Join Date: Jul 2007
Location: Northern Virginia
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jray, I saw your original post and almost responded, but I couldn't give a definitive answer. I'll throw my somewhat hazy recollection in here to keep your thread warm until an absolute authority takes care of it.
I'm pretty sure that mark is the MAX, stupid though that is. The bottom of the plug serves as the MIN. I found the Yanmar manual confusing when I looked that up myself.
2000 Beneteau 331
Northern Chesapeake Bay
Ambition is a poor excuse for not having enough sense to be lazy ~ Steven Wright