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View Full Version : can you actually compete in A or B class on stock yfz 450r suspension?



mx Eli
06-15-2010, 09:00 PM
just wondering if you can actually compete in A or B class with the stock suspension on the yfz 450r?

I don't think power would be a big deal just throw a 13:1 piston and some cams in it.

thanks fro your help

mxpimp2000
06-15-2010, 10:32 PM
IMO, i wouldnt even put cams or a piston in. i would put a nice set of wheels and tires on. nerfs/bumper/grab bar/kill switch/ handlebars and just set it up to my liking and roar on that beast. just the little things to get it track ready isnt much. its already wide and piston/cams is not needed to perform good. put a 06 stock intake cam in it and let it rip

mx Eli
06-15-2010, 10:38 PM
you can swap the 09 yfzr cam with a 06 yfz cam?

mxpimp2000
06-15-2010, 10:39 PM
yeh im not sure what it does but thats 1 of the first things guys with the 09+ do

ZBlaster
06-16-2010, 11:12 PM
Regional stuff you should be alright... No way you could get me to line up on a nationals A class race on stock R suspension :eek2:

mxpimp2000
06-16-2010, 11:16 PM
Originally posted by ZBlaster
Regional stuff you should be alright... No way you could get me to line up on a nationals A class race on stock R suspension :eek2:

id do it :D stock R suspension is pretty stiff and for bigger guys it shouldnt be a prb. if i get a R in the future ill leave the arms stock and get shocks down the road.

ZBlaster
06-16-2010, 11:23 PM
Originally posted by mxpimp2000
id do it :D stock R suspension is pretty stiff and for bigger guys it shouldnt be a prb. if i get a R in the future ill leave the arms stock and get shocks down the road.


Odd question, did you used to have an AIM s/n the same as your username on here?

mxpimp2000
06-16-2010, 11:24 PM
na my aim is mxadam45 and my yahoo ID is mxpimp2000

hendershot106
06-23-2010, 12:26 PM
Yes, you could compete in B class at nats on a stock suspension yfz450r..... A class..... i doubt it...... A is toughhhh