| Author | Message | ||
     Rbuck53 |
Looking for a replacement micro switch on the clutch lever side of a Ulysses 2008- up which raises the idle when you let out the clutch. Mine fell apart and needs to be replaced. Part number? Dealership part? Thanks for the help! Buck | ||
| Mark_weiss |
The switch at the clutch lever is to allow you to start the engine without the need to shift the transmission into neutral. Idle speed on '08 and later bikes is controlled by an idle speed controller motor. As the clutch is eased out and the engine loads, the controller opens further in order to maintain the ecm set idle speed. (Message edited by Mark_weiss on February 22, 2014) | ||
| Closetbueller |
I would believe that the switch may also control idle speed via a ecm setting as on out 09 with the EBR ecm, there is a discernable increase in idle speed before the clutch begins to engage, in a range where the switch would be involved. I do not experience this on the 09 which still has the factory programmed ecm. | ||
| Sharkguy |
I could be wrong, but I don't believe the clutch switch controls the idle air control. It should be controlled by the ecm. You may have a bad idle air controller or the ecm is not controlling it correctly. | ||
| Rbuck53 |
Here is my understanding for the purpose of this switch on 08 and later Uly's: As the clutch is released, the micro-switch activates, increasing the idle of the engine 100-200 rpm in order to prevent stalling. When this switch is not functioning the engine is more prone to stalling during initial clutch engagement. For 2007 and earlier Uly's, this micro-switch has a different purpose...and that is to act as a lock-out, preventing the operator from starting the engine if the motorcycle is in gear and the clutch is not disengaged. I do not know if Buell used the same micro-switch for both applications but I don't see why not. Anyway, I searched around and can't find the part number for this micro-switch. If anybody has it please let me know so as I can track one down as I need a replacement. Thank you all. | ||
| Rbuck53 |
From another member Froggy: "On the 08+ bikes, the throttle bodies are closed when you are not giving it any throttle, and the IAC system detects the clutch state, and when you are starting to release the clutch it dumps more air into the motor to help you get off the line. If the switch was thinking you were still squeezing the lever, it wouldn't open the air valve, resulting in insufficient air if you didn't twist the throttle enough. That is why it would bog down or stall. On the 07 and older bikes, they have the clutch switch, but it is only a safety switch, it does nothing but prevents you from starting the bike in gear with the lever released." | ||
| Uly_man |
I think the clutch mount is a std part fitted to other bikes IE Jap. The micro switch also looks like a generic part as well. You should be able to get one from HD. | ||
| Teeps |
Rbuck53, Is this what you are looking for? http://americansportbike.com/newdir/Item/17398 | ||
| Rbuck53 |
Yes...that looks like the switch! Do you think that is the Buell/HD part number? Thanks for finding that. Appreciated! | ||
| Teeps |
Rbuck53 Posted on Sunday, February 23, 2014 - Yes...that looks like the switch! Do you think that is the Buell/HD part number? Thanks for finding that. Appreciated! No, that is an American Sport Bike part number. The Buell/Harley pn is: C0145.T according to my '06 Ulysses parts book. If you order the part from Al @ asb you will probably have it in hand by Tuesday when the H/D shops open. Give Al a call; if he's at the shop, he will likely answer and take a phone order. Or Order on line. | ||
| Mark_weiss |
Well I'll be! On DDFI III bikes the idle speed really DOES go up. The trick in detecting this is that the bike has to be in gear. The difficult way to check is (with the bike idling) to squeeze the clutch, shift into gear, and then press the switch's pin in. Idle speed will raise a bit. The easy way to check is to disconnect the switch. Now, with the bike idling, squeeze the clutch and shift into gear. The idle will rise. Back into neutral and the idle will drop. I'll be. Mark |
