Originally Posted by
yzracer758
Start with whatever oil you would normally run for starters. For the D413 with the 2x1.6/2x1.7 piston setup I seem to run 37.5/32.5 most of the time.
I've been running 40wt FR/35 wt RR in my D413 and I have tried both the 1.6/1.7mm setup as well as going to 1.5/1.6. It's very hot in SoCal right now so this seems to work well. I've gone as low as 35FR/30RR with 1.6/1.7 and it's also pretty solid. This is a great range to start with on the D413 IMHO.
Hope that helps!
