Haven't posted in some years. Bike's been on some great adventures and doing oil changes every spring is pretty straight forward. I thought I'd finally look at final drive after 26000 miles. Drained the oil. Still bright pink. Spline was dry. After searching, it seems a few in the UK uses castrol alloy molub. I tried getting liqui moly but my GS dealer in canada says they use Bel Ray. So I got a tub. Its a marine grade waterproof multipurpose grease. Ratings are good. I'll give it a go.