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Yamaha Motorcycle Forum > Virago XV1100 Backfiring

Dale
New User

Apr 30, 2005, 8:52 AM

Post #1 of 8 (3215 views)
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Virago XV1100 Backfiring	Quote \| Reply

Can anyone tell me how to prevent the deceleration backfiring of a 95 Yamaha Virago XV1100? I would be very grateful for any info you can give me. Thanks!

arkanosman
Enthusiast

Jul 22, 2006, 5:15 PM

Post #2 of 8 (2370 views)
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Re: [Dale] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

I think it's a problem of mixture , you're getting too much gas into the engine, try leaning out the mixture Wink

. It might also be an ignition timing problem so check that out too

Gearz
Enthusiast

Jul 23, 2006, 7:31 PM

Post #3 of 8 (2367 views)
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Re: [Dale] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

This happened on my old TR1 and bad ignition timing was the problem. Look at that first Wink

mad_bikez_man
Enthusiast

Jul 24, 2006, 7:33 PM

Post #4 of 8 (2366 views)
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Re: [Dale] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

Any results or problems? Also low grade fuel may be the problem, try changing to higher octane Crazy

speed_illusion
Enthusiast

Jul 26, 2006, 1:10 AM

Post #5 of 8 (2362 views)
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Re: [mad_bikez_man] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

Higher octane doesn't always solve the problem , he should get some professional help

glowingpipes
Enthusiast

Jul 26, 2006, 6:16 PM

Post #6 of 8 (2361 views)
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Re: [speed_illusion] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

I disagree low quality fuel is the major cause of backfiring

Chippa
Novice

Jul 28, 2008, 8:36 AM

Post #7 of 8 (1497 views)
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Re: [glowingpipes] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

And sometimes it's in the jetting (mix)
Ride Free... FTW... (Forever Two Wheels)

Guest
Anonymous Poster
nat_rita@hotmail.com

Jun 16, 2010, 2:37 AM

Post #8 of 8 (147 views)
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Re: [Dale] Virago XV1100 Backfiring [In reply to]	Quote \| Reply

this problem could be anything from to lean idle air mixture to dirty carbs ,tune - up , timing , but i have 97 doing the same i did the carbs ,change plugs runs alot better but still backfires . most common issue in my research is the air mixture valve . try these links to see how to disable the valve ,going to try this next time im off . this just polluation control basically so good luck ,wont hurt to try

http://www.pbase.com/iamflagman/image/13271615
http://www.pbase.com/iamflagman/image/26949706

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