Texaco Havoline 10w40 SL in a 2006 Yamaha YZ250F. at drain, 3.2 hours on oil, 12.7 hours on bike. this was 54 ground miles in the Gator Bait enduro. Testing done by Blackstone Labs 2/9/06. INSOLUBLES: .1% WATER: 0.0% ANTIFREEZE: 0.0% FUEL: 1.0% FLASHPOINT IN F: 355 SUS VISCOSITY @ 210 F: 60.7 ALUMINUM 8 CHROMIUM 0 IRON 7 COPPER 7 LEAD 372 TIN 1 MOLYBDENUM 51 NICKEL 1 MANGANESE 1 SILVER 2 TITANIUM 0 POTASSIUM 1 BORON 96 SILICON 5 SODIUM 1 CALCIUM 1349 MAGNESIUM 27 PHOSPHORUS 542 ZINC 642 BARIUM 0 The MixMaster of DOOM! has once again slayed a top rated oil in no time flat. I turned this "vaunted" oil into a thin 30wt in 54 miles. what would happen at 108 miles? i don't want to know. the odd part is how varied the Zn and Ca are from the last test where 800cc (of the 1.3L) came from the same JUG!!! glad it works well in cars because it doesn't work well in a high hp/cc shared sump bike. p.s. the lead is from the Howell 002 race fuel.