Which Oil To use?


8 replies to this topic
  • MrN2OBelvedere

Posted October 19, 2011 - 03:43 AM

#1

Hey guys,

I was just wondering which engine and fork oil you would recommend for my 98 yz400. I looked all around for this and haven't come up with anything. In the user manual it says to use 10W30 Yamalube without friction modifiers, but I can't find specific information on the oil I have found.

Would this work for the engine oil?
http://rickysrvparts...art-10w-30.aspx

  • grayracer513

Posted October 19, 2011 - 07:37 AM

#2

10w-30 is too light. Use a 10w-40.

http://www.thumperta...432#post2685432

http://www.thumperta...d.php?t=1003996

http://www.thumperta...ad.php?t=975343

http://www.thumperta...ad.php?t=977178

http://www.thumperta...ad.php?t=954808

Etc., etc., etc.,......

  • DC_Excitement

Posted October 19, 2011 - 07:04 PM

#3

yea use the 10-40. im a big fan of amsoil engine oil. can be a bit pricey though at 10+ dollars a quart. ive never lost a 4 stroke motor on it yet. but im nuts and change my oil olmost after every ride

  • Streamline

Posted October 19, 2011 - 08:26 PM

#4

10w-30 is too light. Use a 10w-40.

http://www.thumperta...432#post2685432

http://www.thumperta...d.php?t=1003996

http://www.thumperta...ad.php?t=975343

http://www.thumperta...ad.php?t=977178

http://www.thumperta...ad.php?t=954808

Etc., etc., etc.,......


I went ahead and read all those links provided and saw that you said you were now going to use Mobil 1 Racing 4T Motorcycle Oil or V Twin where as you used to use Amsoil MCF under 95f and MCV over those temps.

If I was to use Mobil 1 Racing 4T Motorcycle Oil or V Twin what weights do they come in? I'm in AZ where it's always hot.

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  • grayracer513

Posted October 19, 2011 - 10:02 PM

#5

Racing 4T is 10w-40. V-Twin is the same oil in 20w-50.

  • CodyWayne718

Posted October 20, 2011 - 04:55 PM

#6

Gray, was gonna send you a pm but it wont let me. What's the difference between the Mobil 1 rt4 and the Mobil 1 rt4 advance? Since the op asked about Mobil 1figured I could ask here.

  • grayracer513

Posted October 20, 2011 - 05:26 PM

#7

Gray, was gonna send you a pm but it wont let me. What's the difference between the Mobil 1 rt4 and the Mobil 1 rt4 advance? Since the op asked about Mobil 1figured I could ask here.


Don't send a PM to ask questions that can be asked in the forum by anyone who might have an answer, or the discussion of which might be useful to more than just yourself. :thumbsup:

I haven't seen a product labeled as you have it bold, and there isn't a listing of it on the M1 web site.

  • CodyWayne718

Posted October 20, 2011 - 05:37 PM

#8

One just says full synthetic and is in a dark bottle the other says advanced full synthetic and is in the lighter silver bottle

  • grayracer513

Posted October 20, 2011 - 05:43 PM

#9

Same oil, updated marketing on the label.





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