I have a older TW, 1990 with 11K miles on it, by others, it was a garage find a few years ago. Had it out today for the first run of the year. Noticed a case oil leak from the lower rear of the case, only at high RPM. No leak at idle or rev up, just when underway. It does a good job of spraying oil on the rear tire, only noticed it on the ride over to a power line I like, on the dirt it's hard to see. Before I take it all a part, figured I would ask if anyone has run into something like this.