anybody else anoid by there 2012 xv950 - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 11 (permalink) Old 06-07-2014, 06:24 PM Thread Starter
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anybody else anoid by there 2012 xv950

This bike is getting annoying or Yamaha is everything I've brought it back for the dealer and Yamaha says its normal but yet I was told it should not backfire at all when left stock and the speedo is normal to be 10% +or- 1-2mph. and popping out of 2nd or going for 3rd and it not being there in normal but yet they are issues I was told I shouldn't have. anyone else have these issues? oh yah for the speedo I was told to by a aftermarket part to fix it and for the backfire I was told it's not backfiring its popping and if I want to fix it I have to install a programmer witch any of these will void warranty if found to directly effect any broken parts. which I know they will say.
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post #2 of 11 (permalink) Old 06-07-2014, 10:31 PM
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I don't know about your other issues...but the speedo error is on every motorcycle sold in the USA. So yes...it's normal.

I can tell you that you do need to shift a V twin like you mean it, and that some backfiring is normal but is pretty minimal with the stock exhaust.

Just out of curiousity....is this your first motorcycle?

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post #3 of 11 (permalink) Old 06-07-2014, 11:00 PM
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Slow down and speak english.......
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post #4 of 11 (permalink) Old 06-08-2014, 05:53 AM Thread Starter
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Thanks sick miks this is my 3rd bike I've had a 03 shadow all done up and the backfire aas only once in blue moon and shifted fine. This one does it when I shift when i'm getting on it speedo is off and bounces around if i'm at 80 on speedo i'm realy doing 70-75. I know some backfire is normal but it does it any time I let it engine brake. The dealer I had to bring it to so they could analyze the exhaust told me its running extremely lean but no problems
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post #5 of 11 (permalink) Old 06-08-2014, 06:48 AM
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I would think running extremely lean is a problem??? No????

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post #6 of 11 (permalink) Old 06-08-2014, 06:50 AM Thread Starter
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Yah thats what I said being an auto tech. But yamaha says it's normal
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post #7 of 11 (permalink) Old 06-08-2014, 07:03 AM
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To be pedantic, it isn't "backfiring." A "backfire" comes out the intake side. It is "afterfiring" when the popping is coming out the exhaust.
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post #8 of 11 (permalink) Old 06-08-2014, 07:45 AM
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Originally Posted by camaroguy View Post
Thanks sick miks this is my 3rd bike I've had a 03 shadow all done up and the backfire aas only once in blue moon and shifted fine. This one does it when I shift when i'm getting on it speedo is off and bounces around if i'm at 80 on speedo i'm realy doing 70-75. I know some backfire is normal but it does it any time I let it engine brake. The dealer I had to bring it to so they could analyze the exhaust told me its running extremely lean but no problems
Is the bike completely stock? Air filter, pipes, etc? Usually backfire is more noticeable with aftermarket pipes. If it is an extremely loud obnoxious backfire like a gun shot that is constant, I'd see about changing it...if it's just a muffled backfire noise I'd not worry too much.

Keep in mind that this is a computer controlled fuel injected bike. In order to change the mixture, you need to buy a programmer to do it. So if anything has been changed have been made to anything in the fuel system, adjustments may need to be made. Your Shadow had a carb which required only about 10 minutes and a screwdriver to adjust the mixture.

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post #9 of 11 (permalink) Old 06-08-2014, 07:49 AM Thread Starter
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Yea completely stock no mods yet. Dont want to void my 4year warranty. Since I just got it new in November and already habe over 14k
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post #10 of 11 (permalink) Old 06-08-2014, 12:24 PM
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seems like getting a fuel management system would be the best thing to cure your ills. it will solve the lean fuel mixture and greatly cut down on "afterfiring" (never heard it called that)

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