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Best oil brand for a WR250 (quality vs. price)
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Posted by: palazzi---------------------
From the following oil brands (available in Chile, which one would you choose for a Yamaha WR250?
Yamalube 4R: 10.56 US$
Yamalube 4 (20W50): 4.93 US$
Motul Ester (Ester-based synthesis technology, 15W50): 8.45 US$
Valvoline Durablend (Synthetic Blend, 20W50): 8.02 US$
NOTE: I usually change the engine oil every two (or three) rides. And I change the oil filter every other oil change.
Thanks.
Posted by: eibellk---------------------
I use Castrol GTX 10w40. I used to use 20w50 but found shifting better with the 10w40. I also change oil after every ride (each lasting between 1.5 to 4 hour GNCC or Harescramble). Having torn each motor down and compared them against motors with Amsoil synthetics, I prefer the cheaper for the gearbox. Wear seems to be less with the petrolium based.
For premix, however, Amsoil or Royal Purple (mixed 44:1) seems to be the best for 2-stroke top ends.
Hope this helped.
Kurt.
Posted by: palazzi---------------------
An alternative to chose the best oil for my bike would be to try them all. But, is it good to change oil brands?. Are they all compatible? I have heard that we should try to keep the same brand as long as possible.
Thanks for your comments.
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