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Racer x · May 6th, 2012, 05:35 AM

The pistons of the 250 ninja are 180 deg apart. Meaning one is up when one is down. Triumph Norton and other twins have both pistons going up and down together.

The 180 deg crank with counter balance shaft is good to 15000 rpm

May 6th, 2012, 05:35 AM	#2
Racer x ninjette.org certified postwhore Name: Eric Location: Iowa City Join Date: May 2009 Motorcycle(s): 2008 Kawmeracchi 350 2010 Project X Posts: A lot. Blog Entries: 54 MOTM - Sep '18, Feb '16	The pistons of the 250 ninja are 180 deg apart. Meaning one is up when one is down. Triumph Norton and other twins have both pistons going up and down together. The 180 deg crank with counter balance shaft is good to 15000 rpm