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Willmrx
Posted on Friday, April 17, 2020 - 07:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Time for a oil change. Went to my local sources, and no one had Amsoil in stock. So what are, if any, are the concerns of changing brands, after using the same brand since new? I am thinking of changing to Mobil 1, just because you can get it at any auto parts stores.

(Message edited by willmrx on April 17, 2020)

(Message edited by willmrx on April 17, 2020)
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Shoggin
Posted on Friday, April 17, 2020 - 10:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As long as it's a V-twin specific motorcycle oil, (API-JASO) at the right weight, you'll be OK.

The 1125 manual has a specific chart to use "the correct weight oil for the LOWEST temp you will ride in" Some people think just throwing in 20w-50 is OK. I'd recommend following the manual. Going to straight 50 made a big difference for the super hot track days in Florida.

Todays oils are so good, I would say they are TOO good. But avoid swapping between synthetic and conventional.

I'd also avoid cheap e-bay filters. Spending that much on oil it should be obvious, but I see those all the time: (
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1_mike
Posted on Saturday, April 18, 2020 - 10:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

None..!

In my searching for good oils, I've switch in the past. The engine doesn't know..."IF" you don't tell it..!

Any good (name brand) synthetic will be fine.
I like either Valvoline's VR1 or Mobile 1.
Used them in ALL ((twins or not !) of my bike (and car) engines since the late 1980's...with...NO oil related problems.

Since California took the Valvoline VR1 away from us a couple of years ago, I've gone back to Mobile 1, 20-50 in my RX and XB. The magnetic plugs are pretty clean (better with the VR1!) and the one "oil" check that I had done a couple of years ago showed no abnormal contamination.
So, Mobile 1 it is.

Mike
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Willmrx
Posted on Sunday, April 19, 2020 - 12:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks for the info. Mobile 1 is now my brand. Sorry Amsoil.
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Court
Posted on Sunday, April 19, 2020 - 12:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Im in the process of .... likely .... making the same change.

Ive been a faithful ..... buying multiple cases at a time ..... of the Amsoil Signature Full synthetic. Its been fabulous.

But alas, the new Porsche came with Mobil 1 as did the new S5. Were looking at adding C5 which will also have Mobil 1.

Ill stick with the Amsoil filters but they make it a bit of a pita to do business. I hate paying an annual fee to be a member and I grow weary of explaining why to dealers.

The F-250, which I have a large supply for, will likely stay on its Amsoil diet.
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Stevel
Posted on Wednesday, April 22, 2020 - 04:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Court is correct, Amsoil is a true synthetic diester oil. Its advantage is great lubrication at elevated temperatures, but it is difficult to find even in the states and impossible to find in Europe, however Mobile 1 is a good substitute. It is not as good as Amsoil, it is a semi-synthetic blend and better than dinosaur oil.
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Court
Posted on Wednesday, April 22, 2020 - 07:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My thoughts precisely.

As I understand it. . . . . And Im all ears. . . .

FULL Synthetic - all molecules the same size (Amsoil)

SEMI Synthetic - molecules are various size and AVERAGE out to a given size. (Mobil 1)

Ive been using Amsoil Signature ...buying several cases at a time. . . In my Subaru, Jeep, Audi and the Ford Super Duty.

But. . . The new Porsche came with Mobil 1 and they did the first service so I let them refill with Mobil 1.

Looks like were adding a C8 and I understand it also comes with Mobil 1.

I still prefer, after reading a collection of technical papers, the Amsoil. He current crop of available oil . . . .pretty much all of them. . . Are amazing.
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Terrys1980
Posted on Wednesday, April 22, 2020 - 11:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Why is everyone calling Mobil 1 semi when the 20-50 motorcycle oil states full synthetic?
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