Hi JamesB,

I used to run Mobile Synthetic 1 20w50 oil for VTwins in my M3W and also noticed a lot of engine and tappet sounds. Certainly this is an excellent oil. I tried Royal Purple Max-Cycle 20w50 synthetic oil and noticed a significant reduction of engine and tappet sounds from day 1. I've been very happy with this product and will be using it from now on.

Last edited by Sportster; 18/10/16 04:30 AM.
2015 M3W, Morgan Aero Racing Stage 1, Garage 56 Stage 2, sport black, saddle tan, jeweled SS dash.