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613 Posts
1997 Honda Recon 250TRX
This is day 3 of trying to repair my carb. I have pulled it off 5 times, checked everything and reinstalled. Every time I crank the bike there is wide open throttle!!! I immediately turn the key off. I'm totally stumped. The last time I cranked it I pulled out the throttle and it slowed a tiny bit only. I eliminated this as an issue.
From reading, I understand this is an air flow issue or something is stuck.
I did install a new OEM thumb throttle cable.
I have double checked that the throttle valve is seated properly. The jet needle does not appear damaged. The needle clip is in the 3rd groove per manual.
Could it be the air cut off valve?? The manual shows two different installations. One page shows the diaphragm installed first into the valve body, then the spring, then the cover. Another page shows shows the spring installed first, then the diaphragm, then the cover. Right now I have followed the first method, above.
The pilot screw is turned out 2 3/4 per manual.
I'm soooo confused and need your help.
Attached is a pic, for what it's worth.
This is day 3 of trying to repair my carb. I have pulled it off 5 times, checked everything and reinstalled. Every time I crank the bike there is wide open throttle!!! I immediately turn the key off. I'm totally stumped. The last time I cranked it I pulled out the throttle and it slowed a tiny bit only. I eliminated this as an issue.
From reading, I understand this is an air flow issue or something is stuck.
I did install a new OEM thumb throttle cable.
I have double checked that the throttle valve is seated properly. The jet needle does not appear damaged. The needle clip is in the 3rd groove per manual.
Could it be the air cut off valve?? The manual shows two different installations. One page shows the diaphragm installed first into the valve body, then the spring, then the cover. Another page shows shows the spring installed first, then the diaphragm, then the cover. Right now I have followed the first method, above.
The pilot screw is turned out 2 3/4 per manual.
I'm soooo confused and need your help.
Attached is a pic, for what it's worth.
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