Mobil-1 MX4T 10W40 Motorcycle Oil

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Kanata, Ontario, Canada
This is a VOA for Mobil-1 MX4T 10W40 Motorcycle Oil. It is rated on the bottle as API SG, SH/CF, and JASO MA

Analysis was done by Toromont Caterpillar in Canada.

Copper 0
Iron 1
Chrome 1
Aluminum 0
Lead 0
Tin 0
Silicon 2
Sodium 1
Potassium 0
Moly 81
Nickel 0
Silver 0
Titanium 0
Calcium 1979
Phosphorus 1126
Zinc 1307
Boron 380

Viscosity cSt at 100C 13.8
TBN 8.6
TAN 1.10

I bought it in Canada at Wal-Mart. I’m not sure how this oil is marketed in other countries but I believe in the US it is now labeled as Mobil 1 Racing 4T. According to Mobil’s September 2014 product sheet that addresses phosphorus and zinc levels for it’s oils, that oil is spec’d as Phosphorus 1200 and Zinc 1300 and their general product sheet indicates a Viscosity cSt at 100C of 13.1 — all numbers very close to what was measured here.
 
Thanks, look similar to the additive chemistry in all the other Mobil 1 oils. I'd have them re-test the mg levels.
 
Originally Posted By: btanchors
I wonder if there is any magnesium in the additive package - the VOA doesn't indicate...


Yes, that is odd. I think the OP forgot to type it in. Another reason why its nice to see the original report, not what someone types. Always makes you wonder if the report is accurate.
 
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