Main Motorcycle: 2011 Sprint GT
Join Date: Mar 2012
Location: Palmerston North, New Zealand
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Here is good pic of the older TBs
#1 is on the right in this picture
(that view as it is mounted on the bike would be looking towards the rear)
Can you confirm is this one and not the one at TPS end?
Are you saying that 2 & 3 begin to open, but 1 remains closed?
or that 1 sticking is causing all three to remain closed, but 1 is the plate that you feel the issue with?
I would be more inclined to believe something in the linkage rather than the plate itself that is sticking.
I don't know any reason the nut wouldn't work, and I can't see one from the pics, but someone else might?
I do know that superglue is not appropriate there, and would suggest red thread locker instead. (That is, the red Permatex available in pretty much every auto supply shop in the US. Not sure you get the same stuff in Unn Zud.)
back it down to get 1200 or 1250.
you'll probably need to balance the throttle bodies after adjusting the throttle stop on that one body.
I just had another look at this this morning - I have backed the IACV setting in TuneECU down to -38 then -44 and lastly -60 but get no reduction in rpm. Hovers between 1450 and 1580. I'll try again later - back to to say -80 to -90 or whatever it goes back down to.... I reset it back to the orginal setting of -27 as a test and sure enough - the rpm rose back up to 1700-1800..so it does influence somehow.
The "nut" was not added to a single body mechanism - it is the primary "bump stop" for the throttle cable and influences all bodies the same as far as I can tell. I haven't interfered with the 2 spring screws for adjusting 2 & 3 bodies.
Sounds like you're getting too much air thru the intake system. You can get air in thru the IACV, the balancing air bleeds, and the throttle blades. One of those three is letting too much air in.I hope your throttle blades aren't just cracked open a fraction of a hair. That would let a lot of air in.
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