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Ah cool, an oil thread....

I use Mobil 1 full synthetic in my w/c Trophy, either the MX4T 10W40 in the winter or 15W50 car oil in the summer. I've used either Mobil 1 or Castrol Syntec going back to the mid 80's when Syntec came out in a variety of air cooled and water cooled bikes with nary a hiccup.

If you want the best oil then use synthetic, either car oil or bike oil in the proper grade will hold up longer than anything else. I change oil at 6k per factory recomendations, use stock oil filters and full syn. oil and the bike runs as good at 30k as it did new.
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