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Thanks everyone for the quick replies. I think i'm just going to play it safe and use either a yamaha or other standard silicate free coolant. besides that i might throw in a splash of maxima cool-aid, which i think is similar to engine ice or water wetter. Below is a general definition i...

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 finally had a chance to try to sync my throttle bodies. the bike was idling around 1500 rpms, thats when i found out the yamaha tech i took it too had messed up the sync as the idle adjustment screw didnt work at all. so i bottomed out all the screws and then opened them 1 full turn. now i was...

i'll have to give that a try with ajusting the idle first. when i synced it a year a go when i first bought the bike i got the sync messed up to the point where the idle screw wouldn't do anything, so i had to play around to get it to sync. Now that i have the two brothers exhaust, i get alot...

i am wanting to sync my throttle bodies as i just installed two brothers exhaust, currently when completely warm, the bike idles at 1440 rpms with the occasional drop to 1380 rpms. Do I need to adjust the idle to spec before performing the sync or should i just perform the sync and adjust...

Does nobody no the answer to this? I could realy use the help! Thanks

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...

I ended up going with the black signals. ordered them a few weeks back and the website says to wait up to 5 weeks, so i still have a while to go until i recieve them. I will try to remember to post pics when i get them installed.

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 was doing a little more diagnosis today and i noticed that the true symptoms dont really show up until right when the cold indicator stops blinking then it starts and gets a little worse after warming up some more. i also checked the header temps again right after it stopped blinking and...

i think i may have found the problem, but i haven't had a chance to test it out yet as im a full time student. I was looking with a flashlight and i noticed that all four throttle body joints are absolutely covered in cracks. one of the clamps looks like it isnt even on straight. i'm thinking...

i finally got a chance to check for codes, none showed up. i also put in some chevron techron and plan on running it for a few tanks to see if that will help. another thing that happens is when you turn it off hot and come back to ride it like 5 minites later, it will start right away, but...

also i forgot to say that it idles from 1320-1440, it bounces around in increments of 60 rpms, i did check the tps and it was 15-98. i have unplugged battery before and no real difference, with the seafoam i put in about a 1/3-half a bottle to a full tank.

from the vin# the tps has been replaced twice under recall. if its not running differently due to the cold weather, do you have any idea what it could be other than what i have completed already. it doesnt seem to be at a loss of power. i also measured the header temps and they are at around...

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...

I made sure that I only used the throttle sync screws. The bike was more buzzy than normal after the dealer synced. Is it normal though say that the idle is at 1350 and after the sync the idle is at 1440 and everything is lined up, when i I lower the idle back down to 1350, the throttle...

i did let it reach normal operating temps and reved after each change. i did change #1 only so it matched the value for vacuum in the service manual. maybe that was a mistake.

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...

ok thanks for the reply, this is my first bike and just really wanted to be sure it was normal.