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post #1 of 11 (permalink) Old 06-13-2012, 12:05 PM Thread Starter
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Default Idle speed, throttle sensor?

1) I have an 05 TC, what is the proper idle speed? Mine is at 500 which, at times seems like it will shut off at any second. Went riding this past weekend, and it did that a couple of times just after restarting, first was leaving the gas station, second was leaving an eating establishment. I have been using the high idle lever to keep it a little above 500 so I don't run the chance of stalling in traffic. I just got the bike about a month ago, should I get new plugs? I have service records but nothing recent about plug replacement.

2) The throttle sensor needs to be replaced. Bike seems to run fine w/out it, other than the annoying "check engine" flashing on the speedo. Is this necessary? I saw some of the other topics saying that I could find these at an auto parts store, if so, any particular model number for the 05TC?

Thanks in advance for the advice,

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'05 TC Augusta, GA
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post #2 of 11 (permalink) Old 06-13-2012, 12:10 PM
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Idle speed should be 1000+-50, and can be adjusted with the gold Philips screw on left side of throttle body.
Not sure what you are looking at but your bike will not run with TPS unplugged

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post #3 of 11 (permalink) Old 06-13-2012, 12:16 PM Thread Starter
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Previous owner said TPS needs to be replaced, not that it was actually unplugged. Might just have the dealer give this bike the once over. Will adjust the idle when I get home,
Thanks for the info.

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post #4 of 11 (permalink) Old 06-13-2012, 04:50 PM
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Quote:
Originally Posted by bo2beaux View Post
Previous owner said TPS needs to be replaced, not that it was actually unplugged. Might just have the dealer give this bike the once over. Will adjust the idle when I get home,
Thanks for the info.
Interesting. In 7 years of working on these things. I do not think I have ever seen a TPS set an engine code on a bike that did not run like absolute shit

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post #5 of 11 (permalink) Old 06-14-2012, 12:23 AM
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I know your post said you have a CE light and don't know if any of this will help your idle but it is good to know info I gathered from other owners concerning low or rough idle. Once I did all this mine is a solid 1000 almost on the money with no idle screw adjustment made.

Throttle body cleaning brought my RPM back up about +100 and bike smoothed out. Here is an excerpt from TARZAN that I used. Note that your bike has the stock air box on it and I had already replaced mine so I really am not sure how your going to get at them but may be worth the look at least. I know you said you wernt happy with the Db of the exhaust so cutting the old air box out and putting a K&N or S&S on is something you might want to avoid. That stock air box is quiter!
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I use a long screw driver with a clean cloth.Spray(soak) the cloth with cleaner then push a big wad past the throttle bodies. I use a long rag so I can hang on to one end and pull it back out. You can rig the throttle bodies open while doing this. The intake runners clean up pretty easy. Obviously you want to be real careful not to scratch the butterflies or throat of the throttle bodies. Just wrap the rag around the screw driver or what ever you use. Then pull out the screw driver.With the rag down in there, you can use a tooth brush and scrub around them in there too.That is the way I do it anyway. Then just pull your rag out. I use two rags.Get the bulk of it the first time. Then use a clean section of rag and do it again. They look like new when I'm done,and I don't end up with anything going into the cylinders.
Spark plugs - A easy improvement, my thought is if your going to pull them and inspect them, replace them. 10-12 bucks, I stuck with NGC stock.

Vacum ports - On the right hand side of your throttle bodies, you should see a vacum port capped facing the rear of the bike on each body below the top of the TB intake. It will be easier to pull the tank to inspect this which is simple. Once removed, you should be able to see each vacum port cap on your right. Inspect for cracking or deteriation and replace if warrented. I just looked at my engine to see if I could view these without pulling the tank and I could barely see the rear and the front was visible but I couldnt really get my fingers on it. Removing the tank is going to be easiest way I believe.

Removing tank: Suggest run it down to 1-2 gallons and second set of hands if possible. I rarely have someone help but it is nice when it happes. Clamp on the right between the TB's and the heads, unscrew, rag to catch residule gas, disconnect. Remove seat screw on rear fender and slide seat out. Cover tank with cloth to prevent scratching if you drop a tool, remove front two hex bolts then rear. Disconnect vent hose at rear of tank, lift rear of tank and disconnect fuel pump/gauge connector and set tank on something to prevent scratching bottom of it.

Air filter: On a previous thread you said you had recieved an air filter with some additional parts. If you have the K&N replacement filter in your stock box, have you inspected and/or cleaned it. K&N recharge kit fairly inexpensive and worth the time to keep it tip top!

Fuel: Are you burning 91 octane? Just a thought from another thread.

Hope some of this is useful Bo, you got a great lookin ride. Keep us posted on your outcome!

Safe riding! Tim

Again, alot of littles usually equal something big

2011 White Vision - Nuvi 550, Lowers, Lloydz 2nd filter, Vic perf filter, CB/Icom, 96 Brake LED's, Clear Signal lens/Switchbacks, VIC Hwy Pegs, Stebel Horn, 7Jurock 15" Shield, PCV, Lloyd ATS and Variable intake, Ness honkers

2004 V92 TC - S1 flash, level 1 slip-on, Ness big sucker K&N, ISO Grips, 4x1.5 Highway Hawg Risers, extra chrome (never too much), JM 2k CB 4' antena, Mustang seat, HD Front TS & Lowers, OD Pulley

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Last edited by Tims_04V92TC; 06-14-2012 at 12:26 AM.
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post #6 of 11 (permalink) Old 06-14-2012, 11:26 AM Thread Starter
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Thanks Tim,
Yes, I am running 91 Oct, am only on my 2nd tank so far since getting the bike, have been mostly riding to work/home & usually don't get above 50 or so. Rode w/my daughter last weekend and cruised at around 60 for a little bit, though we mostly rode around town.
I am about the 4th or 5th owner of the bike so who knows what has happened with the bike before me, I do have service records but that doesn't always tell the whole story.
I do know the bike was dropped on the right side, as evident by the broken right mirror, dents in the tank and crunched running light, would that have affected anything or would it be from normal wear/tear & age.

Bo

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post #7 of 11 (permalink) Old 06-14-2012, 01:57 PM
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Default Tps

I have a 2000 V92C, I replaced everything in the previous post, also replaced my fuel filter, TPS and FF both came from AutoZone, I was getting 35mpg before, now Iím getting 44 mpg. I drive mostly highway to and from work. Bike does run smother. I did have to reset the TPS zero. Set my idle speed to about 950. My bike runs great now.
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post #8 of 11 (permalink) Old 06-14-2012, 11:44 PM
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Kwasiak, No fuel filter or TPS work for me, just everything I mentioned in my previous post and with the stage one flash, intake/exhaust coupled with my twitchy right wrist, I get around 35 to/from work which is about 70/30 highway/town and 39-42 when I am on the highway straight through as long as I stay below 80. I do not have an OD pulley installed.

Bo,
the vacum caps are just normal heat stress wear. Like I said, if you remove your seat/tank you should have a straight shot at them. I would have not even thought to check them on mine when I bought it. Just stumbled across during routine maintenance. I do remember now that the stock air box has a lid on top that will allow you to remove the two air inlet tubes from inside your air box and clean the TBs. The build up there is simply from the crank case vent into the box, down the TBs and an occasional back fire, etc that hardens it in the throte. Im not sure if you have a throttle lock on yours or not but I use it to lock my throttle open, clean rag wrapped around a set of mechanical fingers and seafoam TB spray cleaner with a tooth brush. She smoothed right out after I cleaned them up. I would at least pull that air filter and check it as well as replace them plugs if not done within the last 7500.

All that aside, I don't know what to tell you about the CE light you have going on. As for your RT mirror, I would post a WTB in the trader section here on the forums. May find one there. Broken running light, are you talking your front right turn signal? If so, just swapped mine out, your welcome to it if you like. PM me if interested.

2011 White Vision - Nuvi 550, Lowers, Lloydz 2nd filter, Vic perf filter, CB/Icom, 96 Brake LED's, Clear Signal lens/Switchbacks, VIC Hwy Pegs, Stebel Horn, 7Jurock 15" Shield, PCV, Lloyd ATS and Variable intake, Ness honkers

2004 V92 TC - S1 flash, level 1 slip-on, Ness big sucker K&N, ISO Grips, 4x1.5 Highway Hawg Risers, extra chrome (never too much), JM 2k CB 4' antena, Mustang seat, HD Front TS & Lowers, OD Pulley

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post #9 of 11 (permalink) Old 06-15-2012, 05:54 AM
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99-01 Vic with original charging systems. Eat TPS's on a pretty steady diet

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post #10 of 11 (permalink) Old 06-16-2012, 02:22 PM Thread Starter
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Quote:
Originally Posted by kevinx View Post
Idle speed should be 1000+-50, and can be adjusted with the gold Philips screw on left side of throttle body.
Where exactly is the throttle body? Is that under the tank or can I get to it easily. Looked between the jugs but don't see anything like an adjustment screw, though I could be blind.

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