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Alex · May 31st, 2009, 08:10 PM

I've heard that, but I think it depends on the particular engine. Some evidently want more oil around the crank than others. ZX-12R's were particularly sensitve about this, and if you overfilled the oil even slightly the hp took a noticeable hit from the crank drag. Seemed weird to me at the time, but it was confirmed over and over again, and even Kawi blamed that issue on one reason one of the mags got a lower than expected top speed out of the bike.

No idea if overfilling the oil on the ninjette contributes to oil foaming due to the crank being in too much oil.

May 31st, 2009, 08:10 PM	#11
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	I've heard that, but I think it depends on the particular engine. Some evidently want more oil around the crank than others. ZX-12R's were particularly sensitve about this, and if you overfilled the oil even slightly the hp took a noticeable hit from the crank drag. Seemed weird to me at the time, but it was confirmed over and over again, and even Kawi blamed that issue on one reason one of the mags got a lower than expected top speed out of the bike. No idea if overfilling the oil on the ninjette contributes to oil foaming due to the crank being in too much oil. __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)