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Old 08-18-2010, 11:44 AM   #31 (permalink)
Sooner
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Quote:
Originally Posted by ZZ71 View Post
Honda states the oil must be SG or higher and be also meet JASO MA spec.
Agreed.
Quote:
Originally Posted by ZZ71 View Post
Here is a scan of my 06 owners manual, the service manuals are similar. Read it completely in full context, it says 4-stroke oil or equivalent. Equivalent being the key word here, I do not read this to mean you can use any oil as long as its SG or higher and not energy conserving.
This is what I read from your owner's manual. Any oil with... API SG or higher, non-energy conserving, SAE viscosities 0W-30, 5W-30, 10W-30, and 10W-40 (dependent on conditions) and with a JASO MA rating is allowed. Honda "suggests" (key word)using Pro Honda GN4 or HP4 (w/out moly) or equivalent. And, the only way I know of to determine equivalency is to compare the ratings.

Quote:
Originally Posted by ZZ71 View Post
PS - Have been selling lubricants for over 30 yrs.....
Good write up on the oil viscosity 101. Although I don't agree entirely with the way you are reading the manual, you make one heck of a sales pitch and this has been good reading. Maybe you should do a full oil write up on a new thread (without the friendly arguments LOL).
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