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premix ratio


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32:1 here. u guys runnin 40:1 need to re-jet.

 

As long as the bike was jetted with that mix ratio, there is no reason to need to rejet. I run Golden Spectro at 48:1, can still see the hone marks on stock bore. I've been considering the switch to Amsoil at 80:1. Less oil = more power , as long as you have just enough to lube the cylinder wall and crank bearing you're good. 32:1 seems way to rich on oil, are you guys running petroleum based (not synthetic blends)? I know that is a common ratio around here, but I just can't imagine running that much oil. :shrug:

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the guy who sold me my shee told me to run it at 10:1 :baseball_shocked: at least i know it's been lubed really well lol. FYI the manual says to run 24:1 on yamalube, and 20:1 on castrol r30, a545, a747 on a stock motor.

 

is yamalube a full synthetic? the previous owner of my quad gave me a jug of AMSoil synthetic, should i try 32:1 on this setup?

 

--matt

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