Where to buy yamalube and 32:1 or 40:1

I have recently found 4 gallons of yamalube for $112 and was curious if anyone knew any better deals or if I should use a different type of oil.
I also have a 2004 SJ with a stock motor and was wondering if I should run 32:1 or 40:1.

Thanks for the help!!
 
A stock superjet is an extremely mild motor and not very demanding on oil. I also would use the cheap stuff as long as it's tcw3. I mix 40:1 because it's convenient half quart in a five gallon jug
 
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