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Yamaha MX & Off-Road Dirt Bikes
motorcycle vrs automotive oil?
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[QUOTE="HiG4s, post: 17735, member: 22165"] From Pennzoil’s web site: “Pennzoil as well as all other major motor oil producers use paraffinic base oils to produce motor oil. This type of base oil has advantages over the other types of mineral oil available, which is why they are universally used. The only exceptions are synthetic motor oils, which of course cost much more than mineral oil based motor oils. Synthetic base stocks are 100% paraffinic. Technically, paraffinic oil is a term used to describe the chemical structure, not the wax content. Through dewaxing in the refinery and the addition of pour point depressants during blending any harmful effects of wax are eliminated or neutralized.” I could have swore someone here mentioned a couple different compounds that synthetics are based on? From Mike Guillroy: “I have no evidence that motorcycle oils are *NOT* better, but I have plenty of evidence that automotive oils that meet SJ and/or CH indeed are good. From Castrol: “To address your question in regards to using our passenger engine oil lubricants with an API rating of SJ/SH as appropriate in a motorcycle; the response would be that our products such as SYNTEC, GTX and SYNTEC Blend have not been tested in the unique motorcycle endurance applications and wet clutch testing protocol. With the change in passenger car oils to API SJ came an increase in friction modifiers and a decrease in zinc and phosphorus, addressing concerns with fuel economy and catalytic converter/pollution issues for passenger vehicles. For motorcycles, the additional friction modifiers can affect wet clutch performance, and motorcycle engines appreciate a higher level of the anti-wear ingredients of zinc and phosphorus. Castrol motorcycle oils are produced to API SG standards, the optimal formulation for bike engines which allows us to optimize the formula specifically for motorcycles without being constrained by the specification demands for passenger car engines. All of our new motorcycle oils exceed API SG and JASO MA recommendations.” This wasn’t very helpful and they did not answer my question about Paraffins. Rich, I would like to here and now, in front of the whole group, apologize. My original post in no way was meant to insult anyone. I am extremely cynical and my only intent was to question the source, perhaps debate the issue, and to come to an understanding about the subject. When you responded somewhat harshly I was incensed and responded too abrasively and upon reflection I apologize for that too. I really am not looking to make enemies here and came here to be part of the dirt biking community. Something I have been away from too long. I find that when I post on a board I just type and post. Somewhat of an irony as I am a writer. But when I write stories or articles I go back over them dozens of times to get everything just right. On line I just write. I hope there are no hard feelings. Al (HiG4s) [This message has been edited by HiG4s (edited 03-14-2001).] [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
motorcycle vrs automotive oil?
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