I've decided that I'm going to purchase a UDP. It does make sense that I will see gains because of the lightened pulley which in turn will make the engine RPMs faster. My question is which UDP would be considered the best, Unorthodox, Motostorm...? How much should I expect to pay? Thanks!

 

http://maxmods.dyndns.org/index.php?...erdrivePulleys

 

i do not have one, but i've heard the UR pulley is probably the best....there was a thread on here about a brand (other than UR) caused a CEL light due to the notches on the pulley didn't match up to the ones on the engine

 

if you get one..get the UR pulley...I heard the motostorm one will cause the engine to leak...and replace the seal behind the pulley...its about $8 from the stealership