(bigoltool @ Jul. 23 2007,13:20) The Motorcycle Specific stuff typically has far less Moly than automotive oils because of this.
I have been using the MX4T for two years now and like it. I just read that the name change was because that is what it was always sold as Racing 4T abroad and there was no formulation change.
http://www.mobil1.com/USA-Eng....x#FAQs1
I would like to try Amsoil as well but I have no stocking dealer near me.
My last post in this topic "should" help put it to rest .
Shortly before the renaming of the Mobil bike oil they reformulated and added moly - there are 5 distinct different types that I know of . I won't go into what these actually do for the formula in terms of either primary designed or the secondary specific function .
If you have used the newer Mobil bike oil , then you have had moly in your oil and engine. Same for the Amsoil bike oil as it also was reformulated in early 2006 right about when the Mobil bike oil was .
New unused oil analysis samples . Just a handfull out of many .
Values are in parts per million .
Mobil 10w-40 bike oil
Moly 60
Magnesium 15
Calcium 2800
Phosphorus 1660
Zinc 1710
Mobil V-Twin 20w-50 Synthetic
Moly 94
Boron 260
Calcium 2653
Magnesium 14
Phos 1687
Zinc 1829
Mobil 15w-50 car oil
Moly 78
Boron 290
Calcium 2951
Magnesium 18
Phosforus 1230
Zinc 1381
Here's the newer Amsoil 10w-40
Moly 44
Magnesium 19
Calcium 3080
Phosphorus 1238
Zinc 1323
And the Motul 10w-40 which is the same oil as Kawasaki Synthetic .
Moly 85
Magnesium 461
Calcium 2153
Phosphorus 1187
Zinc 1321
Last , here is the latest Mobil 5w-30 synthetic with it's lack of enough phosforus to protect the gear box as engineers on both sides deem needed . This is briefly touched on in the link to the Exxon/Mobil page
Moly 56
Boron 151
Magnesium 8
Calcium 2505
Phosphorus 670
Zinc 743
Here's what I use . The antimony is just about crush proof . Used in some Formula 1 applications
Maxima Extra 4 10w-40 and their 15w-50
Antinomy 1025
Magnesium 640
Calcium 700
Phosphorus 3400
Zinc 2610