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2015 NORGE GT8V ENGINE OIL

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graham550 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote graham550 Quote  Post ReplyReply Direct Link To This Post Topic: 2015 NORGE GT8V ENGINE OIL
    Posted: 25 Nov 2017 at 17:41
At the risk of causing trouble, I thought I would share my confusion.
Ok - handbook says use 10W60 engine oil to API SG Spec.
No problem with that. I was under the impression that as API specs were improved over the years, each 'upgrade' to SH, SJ, SL, etc superseded the previous one so that the newer spec was considered superior to the previous one.
Actually, obtaining SG spec is quite difficult now especially in viscosity 10w60.
So, I thought I was on to a good thing when I found 5 litres of synthetic REKTOL 10W60 HP oil, API SL, at a reasonable price.
I bought it, but just to be sure it was pretty much the best quality for the Norge, I sent an email to the manufacturer in Germany to ask.
I was very surprised when the reply was -

''Moto Guzzi gives the instruction to use a motor oil API SG, SAE 10W-60. Our product 10W-60 meets the specification API SL.That's why our oil is not right. Unfortunately, we are not experts for Moto Guzzi Norge. We can only rely on the specifications.''

So I looked into API Specs a bit further - apparently SG spec contains a lot more zinc & phosphorous than API SL,  over twice as much as the current API SM, and as this is for anti wearing properties may be more important than I previously understood.
So does this mean that Moto Guzzi are being very specific about the requirement for API SG Spec oil, and we should not be using anything with a newer ( and more widely available API Spec ).
 
 
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Brian UK View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 25 Nov 2017 at 21:28
More likely they haven't updated the information since it was written for the earlier Norge in 2006.
But ask Piaggio customer services, they should know. (I bet they don't though).
Brian.

Better 5 minutes late in this world than years early in the next.
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