Quote:
Originally Posted by TrueFaith
Actually, even the Ninja 250 manual states that you can use automotive oil although I wouldn't want to try it with a wet clutch that has enough problems shifting with motorcycle-specific formulations. The clutch really needs a thicker oil like Rotella.
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I've got automotive Quaker State 10w-40 and a WIX filter at the moment, based on the manual and a few other sites I saw online... I figured that worst case it'll be in there for about 500 miles until I switch to Rotella-T, and that's not going to cause any lasting harm.
Anecdotally, I've noticed improved cold starting and easier shifting since I got off the Kawi oil. The cold starts (under 50* F) may be more related to break in than oil, but I'm sure the shifting is oil related as it improved immediately - I very, very rarely catch the gear 1.5 false neutral anymore and I used to grab it all the time even with a hard kick upward on shift.