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I recently just got back from having a custom tune and throttle sync. after getting the bike back it is running hotter than before. the owner who tuned it said that it was probably due to my 3-4 year old coolant and that the bike was running now with the proper a/f ratio. My question is he...

Getting ready to install the power commander i just purchased to go with the two brothers exhaust and k&n filter. Can someone tell me, does it matter if I do a throttle body sync with the power commander connected or should you always disconnect the power commander to do a throttle sync.

I have a 2005 fz6 that I was told had the tps replaced before i owned it. I have the throttle body off today to do some work and i figured i would verify that i have the new tps part# instead of the old one while i had it off. Can somebody help me really quick and tell me where the part# is...

hey everyone, I just wanted to get some opinions. i have a 2005 yamaha fz6 in deep purple bluish metallic. i am looking at getting some watsen flush mounts and their deep purple metallic blue looks like it is based off of the 2006 model, which is a lighter color. Do you think the lighter...

I have a 2005 yamaha fz6 that i have owned since june. since october we have been having low temps in the range of 20-40 degrees. These temperatures seem to affect how the bike idles when it is warm. i wouldn't call it a misfire, but the idle sounds like it goes up and down slightly when in...

Im having some trouble syncing my throttle bodies on a 05 fz6, i have the idle at about 1320 rpm and then using a carbtune i first sync cyclinder #1 to 21.5 cmhg and then sync the rest to #1. After this the idle is around 1440 rpm and everything is in sync, when i reset the idle to 1320...

i have a 2005 fz6 that i bought about 2 months ago. bike has about 14000 miles on it and has had tps replaced twice before i owned the bike. the last owner didnt drive it much for about a year. the bike seems to have a misfire. when it is cold. you can hear and feel the miss every 5-10...