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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > exhaust problem
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Author Topic: exhaust problem  (Read 3008 times)
theman8120
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Posts: 15


st.johns, mi
« on: March 20, 2009, 04:00:53 PM »
 tickedoff getting popping though exhaust when de-accelerating in gear with flames. Just put jardine exhaust w/ baffles on, and cobra needle/spring kit in carbs. also have k&n air filter. what i've always been told is this is caused by being to rich. Check the plugs and they were a lighter color after about 120 miles, I'm sittin about 2 1/2 turns out on mixture srews. OUT OF IDEAS PLEASE HELP!!!!!!!!!!!!!! 
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RTaz
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Posts: 1319


Michigan...Home of InZane X -XI

Oscoda, Michigan
« Reply #1 on: March 20, 2009, 05:53:33 PM »
...did you replace the exhaust donuts? and is your exhaust tighten down correctly...if so then it sounds like a vacuum leak to me...you are drawing air from somewhere....
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 RTaz
theman8120
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Posts: 15


st.johns, mi
« Reply #2 on: March 20, 2009, 08:11:30 PM »
I have not synced the carbs yet, I replaced the exhaust gaskets today un able to ride it yet (daddy duty), the needles are 3rd from top, and I do know I rode the bike after the carb work and stock exhaust was still on and it didn't do it.

what is the right way to tighten the header? When I did it i got it snug and what looked to be even for the flanges with doing a little at a time, don't really know how someone would get a torque wrench on the nuts but I don't think I got over tight.
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Tundra
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Posts: 3882


2014 Valkyrie 1800

Seminole, Florida
« Reply #3 on: March 21, 2009, 03:57:23 AM »
what is the right way to tighten the header? When I did it i got it snug and what looked to be even for the flanges with doing a little at a time, don't really know how someone would get a torque wrench on the nuts but I don't think I got over tight.

Snug header bolts from the middle working out. DO NOT OVERTIGHTEN. Torque to 7lbs. Yes, you can get on them all with a 1/4" drive torque wrench, tight spots use a combo wrench as an extension. Box end on the bolt, open end on the torque wrench. Just use the wrench as an extenion of the torque wrench. After your next several rides, re-check your torque. You will be able to tighten it up.
« Last Edit: March 21, 2009, 04:13:11 AM by Tundra » Logged
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theman8120
Member
*****
Posts: 15


st.johns, mi
« Reply #4 on: March 26, 2009, 06:04:07 PM »
 Smiley  I FINALLY GOT THE POPPING FIXED Smiley  I KNEW IT HAD TO BE SOMETHING STUPID. I STILL HAVE THE SMOG CRAP AND AT SOME POINT THIS WINTER WHEN I WAS DOING SOME STUFF TO THE BIKE I HAD KNOCKED THE VACUUM SUPPLY HOSE FOR THE SMOG STUFF. THE LIGHTS IN MY GARAGE IS CRAPPY SO IT TOOK A NICE SUNNY DAY OUTSIDE TO FINALLY BE ABLE TO SEE IN THIER TO FIND THE PROBLEM. THANK YOU FOR ALL YOUR INSIGHT AND HELP cooldude
« Last Edit: March 26, 2009, 06:07:12 PM by theman8120 » Logged
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