919 clutch switch - Wrist Twisters
 
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post #1 of 10 Old 11-26-2006, 05:30 AM Thread Starter
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919 clutch switch

Thought I would post this up in case it helps somebody else.

A few days ago I noticed the bike would "throttle up" when I put it in gear. The RPMs would jump from around 1100 up to 1400-1500. I had this happen once before after I changed back from Renthals to the stock bars. I found a wire off of the clutch switch, which is the switch located on the left handlebar that senses when the clutch lever is pulled in. It has two wires going to it. One of the indications the switch is not working is the bike will not start when in gear with the sidestand up, which it should do, along with the throttle up issue.

I checked the wires this time and they were both on. Got out the meter and checked the switch operation after removing the wires. The switch was erratic, sometimes making, sometimes not.

I removed the nut that holds the clutch lever screw/pin, then removed the screw/pin, and pulled the clutch lever away from the handlebar. Then I took a small screwdriver and pushed the switch out of the clutch lever assembly by pushing where the wire terminals are. It pops right out.

There are two holes in the switch. I took contact cleaner with a spray tube attached and repeatedly sprayed in the holes while exercising the switch. All kinds of junk/crud came out. Looked like old bugs, road grime, soap, etc.

The switch has worked for three days now. I think the problem is solved.

"Towards the end of the vid, it looks like she may have had a bafflectomy." - MarylandMike
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post #2 of 10 Old 11-26-2006, 07:20 AM
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Great info. That'll help someone some day no doubt.

/start derail

With all of the useful 919 information be collected and the growing number of 919 owners in here, perhaps it's time to create a 919 Tech subforum. The Useful 919 sticky is getting pretty cramped. And searching would be easier if it was organized in dedicated subforum too. Just a thought...

/end derail

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post #3 of 10 Old 11-26-2006, 07:26 AM
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Excellent post, thanks!

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post #4 of 10 Old 11-26-2006, 07:50 AM
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Great job Jim. Good info - even better you relayed it back.

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post #5 of 10 Old 11-26-2006, 09:51 AM
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I had a similar problem--the little finger that slides in & out of the switch got bent during a lever change & it would get stuck. I replaced the switch.

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post #6 of 10 Old 11-26-2006, 10:23 AM
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Quote:
Originally Posted by Ken View Post
Great info. That'll help someone some day no doubt.

/start derail

With all of the useful 919 information be collected and the growing number of 919 owners in here, perhaps it's time to create a 919 Tech subforum. The Useful 919 sticky is getting pretty cramped. And searching would be easier if it was organized in dedicated subforum too. Just a thought...

/end derail
Good point Ken. Even though a majority of the naked bike members own 919's this forum is open to all naked bikes. At this time I'm somewhat hesitant to create another sub-forum specific to the 919. The Helpful How-To's now contain 8 tips including this one. It should still be easy to find. Lets see how it flies for now.

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post #7 of 10 Old 11-26-2006, 01:34 PM
 
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If I am not mistaken, here's a pic of the switches in discussion:

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post #8 of 10 Old 11-26-2006, 01:38 PM Thread Starter
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Yep, that's it. Remove the wires, push on the end with the terminals and the switch will move left of picture once the screw is removed and the clutch lever is pulled away.

"Towards the end of the vid, it looks like she may have had a bafflectomy." - MarylandMike
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post #9 of 10 Old 11-26-2006, 10:08 PM
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Pretty sure this was covered in another thread a few months ago.. Some on had a high idle.. and fan was on even tho temp was cold. Anyone remember?

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post #10 of 10 Old 11-26-2006, 10:29 PM
 
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Quote:
Originally Posted by MotoCycho View Post
Pretty sure this was covered in another thread a few months ago.. Some on had a high idle.. and fan was on even tho temp was cold. Anyone remember?
Yes....https://www.wristtwisters.com/forum/s...ead.php?t=1859

https://www.wristtwisters.com/forum/s...ead.php?t=1778

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