Castrol GTX 20w50 raced/ridden for 80 miles in a 2001 Yamaha YZ250F.
Testing done by Blackstone Labs.
INSOLUBLES: .2%
WATER: 0.0%
ANTIFREEZE: 0.0%
FUEL: < 0.5%
FLASHPOINT IN \xbaF: 430
SUS VISCOSITY @ 210 \xbaF: 70.6
ALUMINUM 24
CHROMIUM 1
IRON 5
COPPER 2
LEAD 213
TIN 0
MOLYBDENUM 135
NICKEL 1
MANGANESE 0
SILVER 0
TITANIUM 0
POTASSIUM 0
BORON 66
SILICON 9
SODIUM 3
CALCIUM 1885
MAGNESIUM 18
PHOSPHORUS 792
ZINC 929
BARIUM 0
the lead is because i use leaded fuel, not pump swill. the aluminum is from the pressure plate of my clutch.
Testing done by Blackstone Labs.
INSOLUBLES: .2%
WATER: 0.0%
ANTIFREEZE: 0.0%
FUEL: < 0.5%
FLASHPOINT IN \xbaF: 430
SUS VISCOSITY @ 210 \xbaF: 70.6
ALUMINUM 24
CHROMIUM 1
IRON 5
COPPER 2
LEAD 213
TIN 0
MOLYBDENUM 135
NICKEL 1
MANGANESE 0
SILVER 0
TITANIUM 0
POTASSIUM 0
BORON 66
SILICON 9
SODIUM 3
CALCIUM 1885
MAGNESIUM 18
PHOSPHORUS 792
ZINC 929
BARIUM 0
the lead is because i use leaded fuel, not pump swill. the aluminum is from the pressure plate of my clutch.