+1(Dr Geekenstein @ Oct. 01 2003,20:39) Valvoline VR1 Racing 20W50, not ever going to synth on my baby, she likes the REAL THING !!
I also use this(8Daytona8 @ Oct. 03 2006,01:40) These folk have been around for a long time like me! Diesel Engines and non converter M/C have alot in common! the phosphorus content has been declining in passenger car oils. Unless you run it in the red line area alot! This is a great, and won't break the budget oil! Has exlnt, corrosion inhibitors, and more of the stuff that is needed for keeping vis after being beat by the trany. No friction mods like energy conser oil, which is a no/no for wet clutch's. Hey! Buy the best for her! Treat her rite and you won't go wrong!! But if you change your over priced zuki oil every 1k (unless you only put on 3k a year) you will probably wear the threads out on the oil pan B4 its broke in!!
http://www.rotella.com/qa/answerresult.php?rowid=169
The wear metals to be concerned with will not be attracted by a magnet .(8Daytona8 @ Apr. 15 2007,22:36) Look at your magnet in the plug for parts! Your good to go.