Throttle body spring/screw issue. - Yamaha R3 Forum
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post #1 of 7 Old 05-05-2019, 11:18 PM Thread Starter
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Throttle body spring/screw issue.

Hello, new to this forum and don't know if this would be the right place to post this or not, also a motorcycle noon whoms first bike has became a project bike. Anyways I put on a quick turn throttle but didn't have enough slack in the cables to the throttle body. I unscrewed the nut and washer and took off the body (assumption) so I could fit the wires over it. Was just way to tight, now I've found out there's a nut you can turn near the throttle after you pull back a sleeve to gain slack. Put the housing back on but lost the washer so just used the nut. Now it won't come off. The nut just spins, was thinking if I can get the spring to click back in place which I have not figured out how to do yet, that everything might be fine. Have found the washer since with w magnetic snake, any suggestions on how I could put the spring back in place or get the nut off? Thanks.
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post #2 of 7 Old 05-05-2019, 11:22 PM Thread Starter
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Hello, new to this forum and don't know if this would be the right place to post this or not, also a motorcycle noob whoms first bike has became a project bike. Anyways I put on a quick turn throttle but didn't have enough slack in the cables to the throttle body. I unscrewed the nut and washer and took off the body (assumption) so I could fit the wires over it. Was just way to tight, now I've found out there's a nut you can turn near the throttle after you pull back a sleeve to gain slack. Put the housing back on but lost the washer so just used the nut. Now it won't come off. The nut just spins, was thinking if I can get the spring to click back in place which I have not figured out how to do yet, that everything might be fine. Have found the washer since with w magnetic snake, any suggestions on how I could put the spring back in place or get the nut off? Thanks.
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post #3 of 7 Old 05-06-2019, 05:12 AM
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I'm going to say try gently pushing up on the nut while turning it. Use a small screwdriver under the nut to get it to start.


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post #4 of 7 Old 05-06-2019, 07:12 AM
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Bluebird's right. you may try lightly "pulling" upward on the assembly you previously removed, while trying to unscrew the nut. Anything to put pressure on the bottom side of the nut so it starts to catch the threads to unscrew. A pair of pliers or vice grips attached to the nut may assist you to pull upwards while you unscrew. And before you reassemble, look closely to see if that "return spring" under that plate has a "detent" or "notch" for the upper part of the spring to fit into or around. I see it's held in place on the bottom by catching a casting slot on the Throttle body. Look for a similar notch or slot on the assembly for the upper part of the spring to fit into before reassembly.

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Last edited by airhead83; 05-06-2019 at 07:31 AM. Reason: add info
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post #5 of 7 Old 05-07-2019, 12:36 AM Thread Starter
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When I get home I will try that and note the results.
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post #6 of 7 Old 06-11-2019, 04:26 PM
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Post approved, thread bump.
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post #7 of 7 Old 08-24-2019, 10:26 AM Thread Starter
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Sorry for no update, been quiet busy. Had a friend come assist and we still couldn't get the but off, just put the spring behind it in place and not a problem since. 😀
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