ratios

Hi Guys, I am in the process of purchasing either a 2010 FX450 or a 2011 FN390. Can anybody give me the ratio breakdown on the tranny's. I just sold my 2005 KTM MXC and I wanted to compare the ratios. I am mostly interested in 1st, 2nd and 3rd gear ratio. I live in Arizona and do mostly single...

Ok - another newbie question. The 08 450 FE I bought has a 48 tooth rear sproket and either a 14 or 15 tooth on the front (I can't remember, and I'm traveling on business so I can't go count them just now). I asked the seller why he swapped the back sprocket and he said he didn't really...

Most of this info is in the owners manual, but not the final ratios, which are sometimes useful for comparison. I calculated these to compare to the final ratios of an Aprilia RXV to post in a thread on Thumpertalk, so I thought I would post them here to to save everyone else the trouble. Of...

Hello, stock fc470 -02 - max revs - peak power revs - safe revs? I'm trying to calculate gear ratios for Iceroadracing. Should top about 170km/h. Back tire -105/90-19 regards, Jarkko