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Discussion Starter #1
Hello fellow Vics…
It seems that my Vic is idling a bit low…
It will stall out if I don't keep up the RPMs at a stop light…
I recently cleaned the TB and changed the plugs and yes I gapped them at 40.

Just recently it was popping so I did the TPS reset procedure by jumping pins B and E…
Key on, switch on, engine off
Slow 5 count rotate throttle from closed to wide open
Hold throttle wide open for slow 5 count
Let throttle SNAP shut/closed
Cycle kill switch (off then on)

Possibly I need to do the reset again?
 

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Hi 1 st vic,
Did it start idling slow before you cleaned the throttle body / plugs / resent popping ...

Or did your bike start idling slow after all this and reset the TPS ...

Did you check for vacuum leaks ? There are a lot of threads out there how too ... Very interesting for your case ...

Is your exhaust flange tight ?

Do you have a After marker fuel controller ?

Hope you can check these things and some others who know a lot more about V92C
 

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As BP6666VR said, check for vacuum leaks. Especially around the throttle body boot, they're bad about cracking and leaking. While the bike is running spray some carburetor cleaner at and around the boot. If the idle speed increases, you need to replace that boot. There's also 2 elbow ports on the right side of the throttle body (I think it's the right side) they should have rubber caps on them. Make sure the caps are good and in place.

I had a problem awhile back with my bike, it would cut off if I didn't have the rpm's up. I replaced the throttle body boot and the vacuum caps which helped, but didn't fix it. I found a broken wire at what I believe is the map sensor. Fixed the wire and haven't had a problem since. Just a few things to look at.

Also, if everything else checks out ok, you can turn the idle screw out some on the throttle body where the throttle cables connect, that will up your idle speed. If your plug wires haven't been changed, it's about time to do that.
 

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You're a bit off on the TPS reset-the rolling the throttle & holding open does nothing on the pre-freedom powered bikes. There are two separate TPS procedures-static & dynamic. Before either is done you need to insure the fuel pump, charging system, battery voltage, & ignition coil connections are all good and there are no air leaks.
Static Adjustment:
-Ensure fast idle lever is off
-Back out the throttle stop screw until the throttle plates are completely closed
-Jumper B & E pins
-Make sure the engine stop switch is in the run position.
-Switch the key on & hold for at least 20 seconds
-Switch the key off & remove jumper wires.
-Start up the machine -you'll have to give it some throttle
-Adjust throttle stop so engine idles at 850 RPM
This will get to a starting point to perform the Dynamic TPS Adjustment that's a bit more involved-the bike might run great at this point but the dynamic adjustment fine tunes the setting and should be done too. If you get the service manual it will walk you through it. Good Luck
 

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Ohhhj good one, like ByteN2it says ... Did you download the service manual from Bbob forum member ?!
 

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You're a bit off on the TPS reset-the rolling the throttle & holding open does nothing on the pre-freedom powered bikes. There are two separate TPS procedures-static & dynamic. Before either is done you need to insure the fuel pump, charging system, battery voltage, & ignition coil connections are all good and there are no air leaks.
Static Adjustment:
-Ensure fast idle lever is off
-Back out the throttle stop screw until the throttle plates are completely closed
-Jumper B & E pins
-Make sure the engine stop switch is in the run position.
-Switch the key on & hold for at least 20 seconds
-Switch the key off & remove jumper wires.
-Start up the machine -you'll have to give it some throttle
-Adjust throttle stop so engine idles at 850 RPM
This will get to a starting point to perform the Dynamic TPS Adjustment that's a bit more involved-the bike might run great at this point but the dynamic adjustment fine tunes the setting and should be done too. If you get the service manual it will walk you through it. Good Luck
Sorry to dig up an old thread, but this bolded part caught my eye. How can you tell if the throttle plates are completely closed without completely taking the tank off?
 
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