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+--- Thread: adjusting secondary butterflies on 03-04 636 (/showthread.php?tid=17700)
adjusting secondary butterflies on 03-04 636 - OnEWhEeLNEAL - 08-13-2026
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what page in the manual is it? i wanna check mine out when I start piecing this bike back together Quote:
\r\n | \r\n \r\n \r\n Originally Posted by ATL Darrick\r\n \r\n  \r\n just pulled out my manual and it says for adjusting that, you have to hook up a volt meter and adjust it by hand until the voltage is within spec.....you can also check it from the ecu. \r\n \r\n \n \njust need to get my hands on a volt meter and someone that understands voltage a little more to help me.....i\'m terrible with electric | \r\n
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adjusting secondary butterflies on 03-04 636 - Tice - 08-13-2026
\r\n \r\n I tried this mod around 3 years ago and it robbed me on the low down. The throttle response was terrible. I am going to have to look in my manual and give the sync a try.\r\n
adjusting secondary butterflies on 03-04 636 - old man roger - 08-13-2026
\r\n \r\n where was you idle set when you looked at them compared to the other bikes you looked at ?
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\ni dont know for sure but i would assume they would be open more if your idle is at 3500 rather than 1000..\r\n
adjusting secondary butterflies on 03-04 636 - OnEWhEeLNEAL - 08-13-2026
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DOH that would suck if thats what it was lol. he did say he had a weak idle pull tho compared to other 636\'sQuote:
\r\n | \r\n \r\n \r\n Originally Posted by old man roger\r\n \r\n \r\n where was you idle set when you looked at them compared to the other bikes you looked at ? \r\n \r\n \n \ni dont know for sure but i would assume they would be open more if your idle is at 3500 rather than 1000.. | \r\n
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adjusting secondary butterflies on 03-04 636 - old man roger - 08-13-2026
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i may be completely wrong they may go to the same position when you turn the bike off no matter what the idle is set at it was just a thought Quote:
\r\n | \r\n \r\n \r\n Originally Posted by OnEWhEeLNEAL\r\n \r\n \r\n DOH that would suck if thats what it was lol. he did say he had a weak idle pull tho compared to other 636\'s \r\n \r\n | \r\n
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adjusting secondary butterflies on 03-04 636 - OnEWhEeLNEAL - 08-13-2026
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Ima check that out tomorrow but good suggestion Quote:
\r\n | \r\n \r\n \r\n Originally Posted by old man roger\r\n \r\n \r\n i may be completely wrong they may go to the same position when you turn the bike off no matter what the idle is set at it was just a thought \r\n \r\n | \r\n
it might be something that simple \r\n
adjusting secondary butterflies on 03-04 636 - ATL Darrick - 08-13-2026
\r\n \r\n I think idling the bike to wherever you set it at should only control the primary butterflies. i also have my idle turned down everytime i get off the bike.
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\r\nmy theory of doing this adjusting is just another shot in the dark to try to figure out whats wrong with my bike.
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\r\nneal, the section in the manual is 3-95
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\r\nandy, yeah i know you told me, i just didnt want to have to do it lol\r\n
adjusting secondary butterflies on 03-04 636 - ATL Darrick - 08-13-2026
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thanks for the offer. i\'ll let you know\r\n
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\r\n | \r\n \r\n \r\n Originally Posted by reds919hornet\r\n \r\n \r\n if you can get up to calhoun with your bike and manual i have a good meter and do good with elec. stuff. \r\n \r\n | \r\n
adjusting secondary butterflies on 03-04 636 - reds919hornet - 08-13-2026
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any time. you can ask borne who i am. i had an auto repair shop next to jrd when he worked with rick.\r\n
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\r\n | \r\n \r\n \r\n Originally Posted by ATL Darrick\r\n \r\n \r\n thanks for the offer. i\'ll let you know \r\n \r\n | \r\n
adjusting secondary butterflies on 03-04 636 - ADBZ Matt - 08-13-2026
\r\n \r\n D Feel free to come by and try my ECU if you think that will make a difference... You cant have it... but atleast we will know if the ecu is off...
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\nOMR he compared my TB secondary butterfly position while both bikes were off.... His had about a 3MM gap and mine were closed all the way... My bike pulls like a champ, his doesnt pull good at all.
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\nWe have compared almost everything else on the bike and i know he has tried various other fixes.. Fuel pump, Air filters, Gearing.... You name it nothing has fixed his idle pull. the bike has a very fresh motor on it, and it should pull great!\r\n