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Hello!

I can't find which oil to buy, there are so many websites not saying the same thing,
I live in Quebec, so pretty hot summer and quite cold autumn, the user manuel says 20W/40, yet I find the Mobil 1 v-twin 20w/50 great for my situation, or even a 10W/40

What Do you think?

Thank you!
 

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I can't find which oil to buy, there are so many websites not saying the same thing...
The Manual says 20W-40 in warmer conditions or 10W-30 in a cold climate.
Not surprisingly, they recommend their own YAMALUBE brand.
10W-40 would be a good choice for all seasons.

10W-40 works very well in both of my bikes, regardless of whether
I buy bike-specific oil or a standard motor oil. I am currently running
Castrol Magnatec 10W-40 in my Suzuki Bandit with air/oil cooled engine.
Smooth running, good gear shifts and no issues with clutch slip.
This is my standard clutch slip test:Google Maps
 

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Nightfly
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Whatever you buy won't make any difference. Following the manual is usually a good idea. If you can't do that, then you're on your own. Mineral or synthetic, both work, price is the difference. Of course this will start an argument.
 

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Use what your manual recommends for the temperatures you expect to be riding in. If there's a big difference between summer and fall temperatures, change oil for the expected cooler temps.

Dino fluid or synthetic is up to you. We all have our preferences.
 

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Retired twice: Navy and as a govt contractor
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Best? who makes the best waffles? So many answers, so many choices, so many opinions. Just pick one that matches your manufactures recommendations.
 

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SUPER MODERATOR
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Extra Virgin Olive oil works great and is Sooooo good for you!:) In a pinch, Baby oil also is great as is Mink oil and 2 in 1 machine oil.

Sam
 
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