xtrememotorworks Powersports Performance! Lifetime Membership Premium Member Nov 26, 2007 504 261 63 43 Sumner,Wa www.xmrinc.com Nov 7, 2016 #1 2009 Yamaha nytro drive axle Avid anti ratchet drivers 3.0 pitch 7 tooth Alex Last edited: Nov 7, 2016