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One of the most asked questions pertaing to the Honda Elite CH 150/250 and CN 250 Helix involves a backfire through the exhaust on sudden deceleration. An engine is not supposed to backfire and, when it is persistent, It could be harmful to the engine.
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www.ch250.net/techtips/21.htm
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I have a cv carb and Samson exhaust and it has been dyna jetted. I was tired of oil coming from the breathers into the k&N filter so I put on a Arlen ness Big Sucker and now when I back off the throttle it backfires a lot. ... ; You are here: Experts > Shopping > Motorcycles > Motorcycle Repair > backfire on deceleration;
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en.allexperts.com/q/Motorcycle-Repair-837/backfire-dece...
en.allexperts.com/q/Motorcycle-Repair-837/backfire-deceleration.htm
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Backfiring is usually the result of too much oxygen in the exhaust system. This causes a combustion in the exhaust system which results in backfire from the exhaust. Oxygen can enter the exhaust from leaks present in any component of the exhaust or from the air injection system if the vehicle is equipped with such a system.
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www.auto-repair-help.com/auto_diagnostics/diagnose_engi...
www.auto-repair-help.com/auto_diagnostics/diagnose_engine_backfires.php
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Why does my 1968 Pontiac GTO backfire out the tailpipe? ... I have noticed that when driving at higher speeds >50mph and take my foot off the accelerator the car will backfire through the exhaust. I have read that it could be a multiply of causes and that timing could be one of them.
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www.myhonestmechanic.com/articles/1968-pontiac-gto-back...
www.myhonestmechanic.com/articles/1968-pontiac-gto-backfire.shtml
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This, in turn allows some un-burnt fuel to get into the exhaust pipes. Then when the engine does fire, these un-burnt gasses are ignited in the exhaust pipe, causing the backfire. Newer Virago carbs have an 'enricher circuit' which cuts in on deceleration to help this problem.
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faq.f650.com/FAQs/BackfiringFAQ.htm
faq.f650.com/FAQs/BackfiringFAQ.htm
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I do have two bros exhaust but it seems that this backfiring has increased in just the last two months. I am going to get a re-map and TB sinc this weekend and see what happens. Thanks for the help.
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www.sportbikes.net/forums/rc51/294910-backfire-popping-...
www.sportbikes.net/forums/rc51/294910-backfire-popping-deceleration.html
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I dont see how that could be since after the exhaust stroke the valve closes off and the popping is done in the pipe itself?? Can one of you guys help me out with this simple yet mind boggling problem? P.S. I have checked for exhaust leaks and there isnt any...Im thinking the rear pipe is too short?
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www.motorcycle-journal.com/forum/mechanics-corner/15855...
www.motorcycle-journal.com/forum/mechanics-corner/15855-exhaust-popping-deceleration.html
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They sound great but the bike has develoved a minor popping/backfire when decelerating. A friend told me that he ... > I have a2004 v-star 1100 silverado (a great bike) and I changed the exhaust ; > with bub big willy's at the end of the season ,BUB stated that if ; [quoted text clipped - 4 lines]; > decelerating.
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www.motorcyclekb.com/Uwe/Forum.aspx/yamaha/1434/Minor-p...
www.motorcyclekb.com/Uwe/Forum.aspx/yamaha/1434/Minor-popping-when-decelerating
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If it's backfiring through the exhaust then that is a different problem so let us know if it is an exhaust backfire? ... bwssr, does your wing backfire when decelerating from highway speeds? Also was the backfiring there before you changed the timing belts? It's not easy to diagnose a problem like this online but if you...
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www.goldwingfacts.com/forums/forum1/3761.html
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