Join Date: Mar 2011
Location: Fairfield, Virginia, USA
Model: 1997 GL1500SE/Lehman GTL Trike
You say you switched to synthetic oil, so I take it you used dino oil before. It's not unheard of for engines switched over to synthetic oil at higher miles to develop a leak.
Before I pulled her down, I'd change back to oil I was using, like in my case Delo LE 15W40, maybe dose it with a little Bardahl's seal sealer additive. Not a lot, but half a bottle anyway. I have a '77 Ford F-150 with 351M that doesn't get used enough. Rear main seal was leaking bad, a bottle seemed to help it. It also tremendously slowed the oil getting by valve stem seals in my '95 T-bird.
1997 GL-1500 SE / 1998 Lehman GTL Trike
...(Candy Spectra Red )
"Make Courtesy Your Code of the Road!"
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