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post #1 of 19 (permalink) Old 02-19-2014, 10:07 AM Thread Starter
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Throttle Position

So it was finally warm enough to get out and ride yesterday other than just to commute. Anyway, Im riding along and everything is fine and then I let off the throttle to slow down and it feels/sounds like the throttle is still slightly open, so i try and make sure the throttle isn't stuck on the bar end or anything by pushing it forward manually...still no luck. It's only doing this every now and then and its very annoying. I just rode 5 miles to work and it didn't do it once. I thought it might be the PCV i put in so I checked the throttle position calibration and re-calibrated, but it's still doing it.
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post #2 of 19 (permalink) Old 02-19-2014, 01:37 PM
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So even if you manually close the throttle, it still sounds like its open slightly? When was the last time you lubed your cables?

Also, where in Kentucky are you located? I'm in Lex and Richmond all the time.

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #3 of 19 (permalink) Old 02-19-2014, 01:55 PM
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Make sure they are lubed for sure. Have you recently changed them or pulled the gas tank? When I replaced mine, I had one line get pinched and it did the same thing with the throttle depending on the handle bar position.
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post #4 of 19 (permalink) Old 02-19-2014, 03:06 PM Thread Starter
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A friend suggested I try lubing it as well, so maybe that is the issue. Is there a writeup for that around here anywhere?


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post #5 of 19 (permalink) Old 02-19-2014, 03:07 PM Thread Starter
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Quote:
Originally Posted by G Money View Post
So even if you manually close the throttle, it still sounds like its open slightly? When was the last time you lubed your cables?

Also, where in Kentucky are you located? I'm in Lex and Richmond all the time.
Murray, KY. Western KY. It's like 4 hrs from you.


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post #6 of 19 (permalink) Old 03-19-2014, 08:57 AM Thread Starter
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So I lubed the throttle cables, and it's still doing it. Any ideas?


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post #7 of 19 (permalink) Old 03-19-2014, 09:01 AM
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Make sure the grip isn't dragging against the kill switch housing. Mine got pushed past the little lip that is supposed to keep the grip in place and would hold the throttle almost like ghetto cruise control.

Do you notice it more when the bars are turned to one side or the other? Try adding some free play to your throttle.

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #8 of 19 (permalink) Old 03-19-2014, 09:05 AM Thread Starter
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The free play is to spec, and the grip is still behind the lip. I don't know what the deal is, but it's becoming incredibly frustrating.


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post #9 of 19 (permalink) Old 03-19-2014, 09:23 AM
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Check to make sure nothing is pinching the cables and that something isn't blocking the throttle bodies from closing all the way. After that, I'm out of ideas unless theres a detail I'm missing.

When did this problem start occurring? What mods do you have done? How many miles on the bike?

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #10 of 19 (permalink) Old 03-19-2014, 09:25 AM
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Just throwing ideas out there, but it might be an issue at your throttle body. Maybe the cable is getting caught on something, or the throttle body is getting stuck somehow. Just take the airbox off and check.
I don't know what it could be other than the cables, the throttle itself, or the throttle body.

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post #11 of 19 (permalink) Old 03-19-2014, 11:03 AM Thread Starter
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Yeah, Im having a friend help me do a full teardown this weekend, just trying to get ideas for when we start.
Bike has 13k miles on it.
Umm. K&N filter, PCV, Leo Vince SBK Evo II slip on, IRC...probably all the relevant mods I can think of.


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post #12 of 19 (permalink) Old 03-19-2014, 11:14 AM
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None of that could cause it to stick open I don't think. Clean your air filter for good measure. What I was wondering is if you have stock throttle tubes and/or a quick turn throttle kit that you maybe didn't realize was on there. Could be a bad install in that case.

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #13 of 19 (permalink) Old 03-19-2014, 11:18 AM Thread Starter
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It's stock tube and stock cables. Could it be sticking at the cable at the actual throttle bodies?


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post #14 of 19 (permalink) Old 03-19-2014, 11:22 AM
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Ya that's very possible. The ends of the cable are pretty much the same, but the end at the bars have the angled piece. The throttle body end is just straight. Usually if you lube the cables, you take them all the way off and force lube in one end, out the other to flush crap out.

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #15 of 19 (permalink) Old 03-19-2014, 11:34 AM
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What are you guys using to lube your cables?

When you roll off does it feel like it's sticking for just a second then drop off? Or does it stay like that for a ehile
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post #16 of 19 (permalink) Old 03-19-2014, 11:50 AM
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I have never lubed my cables, and they are actually coated with teflon from the factory I believe. But any kind of thin lubricant that doesn't cake on would work. Silicone spray or lithium grease in a spray can maybe? And no to WD-40.

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #17 of 19 (permalink) Old 03-19-2014, 11:54 AM
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The reason I asked is because you shouldn't use any wet lubes on your cables. They will gunk up and get sticky. Dry graphite lube is the one to use. Though replacing them is the best solution
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post #18 of 19 (permalink) Old 03-19-2014, 12:02 PM
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I have a spare set of cables I got with my bike so I never planned on lubing them. I was just going to replace them next time I was at the throttle bodies. Which is going to be this summer seeing as I crashed and need to do some tear down.

Where does one get dry graphite lube? I've heard that recommended before but never had luck finding it.

'03 600 RR - ~33,000 miles (14,000 from me)
Yoshimura RS-5 Slip on - Arrow Stainless Headers - BMC Street Filter - PCV - EK 520 Chain on Driven Sprockets - CoreMoto Stainless Lines (F+R) - Dan Kyle PAIR Delete - The2Wheels Shorty Levers - Vortex V3 Rearsets - Woodcraft Frame Sliders & Bar Ends - Woodcraft Stator and Clutch Covers - Cox Radiator Guard - Renthal Dual Compound Grips - 1000RR Kill Switch and Throttle Housing - TST IT and FE - Proton Flushmounts
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post #19 of 19 (permalink) Old 03-19-2014, 12:09 PM
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Somewhere like acklands etc should have it
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