Filling the AX-15

RM250

New member
I heard Summit Redline MT90 is the best to use, is this what you guys like. Also i am hoping the oil will fix my problem. On hot days it shifts good and cold mornings it is hard to shift. Is this an oil problem or worse ??
 
redline mt90... royal purple synchromax... or you can find penzoil synchromesh at autozone...
 
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