Rotella 15w-40,130 miles,Yamaha XT225

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Jul 20, 2009
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Nevada
This is the 5th oil in the bike after top end rebuild,465 miles ago. It also contains Redline Break-in Additive.
This is all off-road, rocky, slow speed, climbing trails.Air Temperature was 105F. Engine is air-cooled!
Moderate smell to used oil is reportedly from oxidation.
Aluminum.. 6
Chromium.. 1
Iron...... 17
Copper.... 4
Lead...... 0
Tin....... 3
Molybdenum 4
Nickel.... 3
Manganese. 0
Silver.... 0
Titanium.. 0
Potassium. 4
Boron..... 31
Silicon... 13
Sodium.... 4
Calcium... 2443
Magnesium. 36
Phosphorus 1148
Zinc...... 1517
Barium.... 0

SUS Viscosity@210F 80.0
cSt Viscosity@100C 15.53
Flashpoint in F 415
Fuel% less than 0.5
Insolubles % 0.1

Comments: This is the 5th oil out of your rebuilt engine and wear looks good.Universal averages show normal wear for this type engine after 465 miles of oil use.Your 15w40 was in use for 130 miles and most wear metals read at or below those averages.Iron,from steel parts,was a bit above,but that's due to new parts still breaking in.No gasoline or moisture was present in this sample.The slightly odd smell could be from the extra additives you used.The oils dark color is from oxidation,and maybe also the additives.Air and oil filtration(silicon & insolubles)were normal. First VOA on this bike.
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