Syn3 is an average synthetic oil at an exorbitant price, but although HD okays using it in the tranny I wouldn't do it. Gearboxes should run gear oil, IMO, and an 85w140 works best in my '07. Pick your choice from among quality synthetic brands.

OTOH Syn3 works well in the primary, but you don't need a $10 (or whatever) oil in that location, as I mentioned in an earlier reply. A $3 20w50 fossil engine oil like Castrol GTX works as well.

In the engine there are better solutions for the price, IMO. Syn3 won't inflict premature wear on your engine and without price being a variable is well-suited for the primary, but I wouldn't run it in the tranny.

 

Trick Shift works great

 

I am running Red-Line in all three holes on both of my bikes.

IIRC Red-Line has changed the name of the primary lube from MTL to V-Twin Primary Case Lube.

 

Thanks for the response. I will be making some different choices at my next oil change.

spiz

 

I run HD Formula+ and have since day one.