zx12mark
Pro
Posts: 1654
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posted October 12, 2010 12:22 PM
have u ever changed your throttle position sensor
if so,what was the bike doing that lead up to the replacement.i have 50,000 miles now and i think mines shot.
   
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entropy
Moderator
Posts: 8671
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posted October 12, 2010 08:59 PM
it'll idle like shit and be very jerky at low rpm
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whitehendrix
Zone Head
fails!
Posts: 757
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posted October 13, 2010 03:15 AM
what Karl said.. mind you, you must use caution when replacing one, if you've never done it before. they must be initialized to a certain throttle plate opening. some are done using resistance, some are done by voltage.. not sure what the 12 uses..
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Duct tape is the handyman's secret
weapon. The black is for formal
occasions. - ZRXDean
ill never own a busa unless
someone gives me one.... and then
ill sell it -KZScott
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zx12mark
Pro
Posts: 1654
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posted October 13, 2010 08:32 AM
i pulled it off the other day and it has a slight spring load to it.nothing fancy.just reset it to 1.085 volts dc.i`m testing it with a scope on friday to check for bad windings or segments.i`ll let you guys know want i find out.a new tps is around 120 bucks.
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted October 13, 2010 06:09 PM
Follow the book procedure and if it matches, it's fine. It's a pretty simple part.
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It's not that I think you're dumb, it's just that so much of what you know isn't true....
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whitehendrix
Zone Head
fails!
Posts: 757
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posted October 13, 2010 11:43 PM
pretty sure thats not a wire-wound pot.. just a metal-film with a single wiper.
you may see "scratchyness" on the scope.. good way to test them. i put em on my tektronixs for the same thing. see a spike or dip in Vf off eh common and you know you've got something funky going on.
i wasn't sure what the procedure was on that tps. the hondas are alot more involved and wat a resistive set-up done and theres even a bit of math involved in the set-up.
polaris is a bitch. you must inject a 5VDC signal to the sensor with a 100% closed throttle plate, initialize the TPS for.. "X.XX volts out" off the output wires, then hook it up, meter voltage, turn the plate idle adjust out, meter the thing some more. they're retarded.
lol
____________
Duct tape is the handyman's secret
weapon. The black is for formal
occasions. - ZRXDean
ill never own a busa unless
someone gives me one.... and then
ill sell it -KZScott
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zx12mark
Pro
Posts: 1654
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posted October 14, 2010 02:46 PM
what the hell is wrong with polaris.........they are ate up.........
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