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Old 01-06-2007, 07:47 PM   #1 (permalink)
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Default Zinc and Phosphorus levels for popular oil brands

I started doing my own research after reading that one major thing unique to motorcycle oils is that they contain higher levels of Zinc and phosphorus in order to combat high RPM friction issues.

Not sure if this info is useful to anyone, but I thought I'd share. These are UOA's from other individuals (mostly from "bob is the oil guy"). I am going to find a few more oils to compare to, some more data inputs (will help with accuracy), and possibly a few automotive brands as well. If anyone cares to see the averages after I am done, please let me know.

Zinc average for Rotella Syn 5w40 - 1315
Phos average for Rotella Syn 5w40- 1132

Zinc average for Mobil 1 MX4T - 1556
Phos average for Mobil 1 MX4T - 1320

Zinc average for Redline 10w40 - 1321
Phos average for Redline 10w40 - 1089

Zinc average for Amsoil 10w40 - 1334
Phos average for Amsoil 10w40 - 1144

A real quick comparison from 1 automotive brand:

Mobil1 5w20 - 6,728mi. / '04 Mazda3 2.3L 4-cyl
Zinc - 684
Phos - 614

As you can see, motorcycle oils have a significant amount more of the Zinc/Phos additive. One thing to note is that the Rotella (not motorcycle specific) also has very high levels that are compariable to your expensive motorcycle specific lines.

Rotella Oil analysis

4100 miles in VTX 1300
Zinc - 1281
Phos - 1095

1325 miles in Honda Valkyrie 1520cc
Zinc - 1391
Phos - 1243

1100 miles in BFR 800
Zinc - 1150
Phos - 1003

800 miles in 1994 ZX-11
Zinc - 1630
Phos - 1344

3679 miles in Yamaha Roadster 1700
Zinc - 1177
Phos - 950

186 miles in 1994 Zx-11
Zinc - 1264
Phos - 1158

Mobil 1 MX4T

1383 miles in Honda Valkyrie 1520cc
Zinc - 1602
Phos - 1349

1295 miles in Kawasaki ZZR250
Zinc - 1484
Phos - 1436

1315 miles in Suzuki V-Strom 650
Zinc - 1432
Phos - 1224

3234 miles in Suzuki V-Strom 650
Zinc - 1566
Phos - 1294

1500 miles in CBR 954
Zinc - 1700
Phos - 1300

Redline 10w40

3,000 miles in ZX10
Zinc - 1095
Phos - 964

800 miles in ZX-11
Zinc - 1439
Phos - 1105

1610 miles in ZX-11
Zinc - 1423
Phos - 1089

4233 miles in VTR1000
Zinc - 1330
Phos - 1200

Amsoil 10w40

5372 miles in BMW F650
Zinc - 1225
Phos - 1046

1574 miles in DRZ400
Zinc - 1281
Phos - 1151

3500 miles in Honda 650 Magna (AMO)
Zinc - 1504
Phos - 1262

120 miles in YZF250F
Zinc - 1343
Phos - 1171

1565 miles in ZX-11
Zinc - 1565
Phos - 1232

95 miles in Suzuki SV650
Zinc - 1086
Phos - 1006
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