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Old 08-06-2016, 01:47 PM   #1
Vegas Street Rider
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Question Oil Viscosity

I have my GZ in the shop to have some new tires mounted and the owner/mechanic (Suzuki certified) and I were discussing the heat here in Las Vegas. I told him I ran 20/50 viscosity oil in my GZ during the summer months to protect the engine in the plus 100 degree temps we incur. He said he uses a 50/50 blend of 10/40 and 20/50 which essentially gives him a 10/50 range. Does this sound right? I was always told not to mix different viscosities. Would like to hear from someone learned on the subject.



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Old 08-08-2016, 05:24 AM   #2
Water Warrior 2
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You can't do any damage by mixing different oil viscosities so don't worry. Make it easier on yourself and just use Rotella 15-40 dino oil. It is a good oil and Jaso certified. It is cheap and works well. Had it in 2 different Suzukis and they really liked it.
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Old 08-26-2016, 08:35 PM   #3
burkbuilds
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I'll second WW's recommendation. The Shell Rotella is really good oil. I've used it in all my bikes over the last 8 years and I've had no oil related issues. I put 44,000 miles on a Vulcan 500 in 2 years and that's all I ever used in it.



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Old 08-26-2016, 09:48 PM   #4
blaine
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I will 3rd it.....I have used Rotella-T for years in all my bikes......From high reving sport bike engines to my v-twins.
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Old 08-27-2016, 12:06 PM   #5
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Thanks for the responses. I will try the Rotella.



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