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Posted on Aug 29, 2012
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My 2003 Yamaha Virago xv250 backfires and has no power when i throttle

When i ride for the first time of the day the bike does just fine, but after riding for like 10 to 15 minutes the bike has a poping noise from the air filter, also the bike dont have power and i cant catch speed nor can i take off from a stop sign or stop light quickly. no matter what gear im in it does the same thing. what can i do.

1 Answer

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  • Cars & Trucks Master 1,152 Answers
  • Posted on Aug 29, 2012
ARESTI
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Joined: Aug 09, 2012
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Check whether you have a blogged exhaust.

5 Related Answers

Anonymous

  • 45 Answers
  • Posted on Aug 27, 2008

SOURCE: I have a 2002 Kia

sometimes these vehicles have problems with turbine speed sensors on transmission imput or output, both located on top of
transmission check for codes present on transmission control module.

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Anonymous

  • 6982 Answers
  • Posted on Dec 26, 2008

SOURCE: air ride not working

Is there power at the compressor? If not, check the level switch located at the rear of the vehicle (connects the rear axle to the body via a small arm that moves with body up/down motion)

Anonymous

  • 1214 Answers
  • Posted on Jan 24, 2009

SOURCE: 2003 ford taurus transmission problem

The tranny is probably on it's last leg. Changing fluid and filter on a tranny that's never had it done before can be worse on it than good.

Anonymous

  • 51 Answers
  • Posted on Nov 11, 2009

SOURCE: 2003 ESCALADE THE SERVICE RIDE CONTROL LIGHT CAME

sound like a leak in a airbag, id have it checked by a dealer

Anonymous

  • 24 Answers
  • Posted on Feb 04, 2010

SOURCE: Inconsistent 2003 Dodge Stratus Transmission Issues

Just check the transmission oil levels first, if they are low this will stop it from engaging into gear.

Testimonial: "It seems that I was low on transmission fluid. After adding a quart everything seems to be back to normal. Thanks."

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Need picture of shift shaft on motor for 1982virago 750

sold mine, bike, the larger one xv1000
restored it to mint, and sold, it.
carbs like new, me.
starter motor in this bike is a thing to HATE (big time) the parts inside the engine for starter drive. horror.
the shifter is simple. a shaft and spline and lever. it is adjusted.
the books are hard to find now, found mine in year 2005 .

you lack a service manual and I never touch any car or bike lacking one. for sure this bike with odd things here
i see manuals sold by scaplers now, for $200 ,same as what I paid for my not running bike day 1. old 2005
XV750J-SE Virago
try here.

https://www.tradebit.com/filedetail.php/6919467-download-yamaha-xv750-xv-750-virago-service

I also tuned my carbs just a tiny bet richer,and omg huge power increase (after fully kitted and tuned all)
10% more. jets size , used. cruise jets,.
good luck if working blind and no real books.
My BMW R100, is mint too and amazing ride. a real torque monster. (paid $3 for it )
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I have a 2003 Cadillac cts getting codes p1795 p1780 p1779 p2176 what can be possible problems to fix them?

code p 2176 refers to throttle actuator control(TAC) system--idle position not learned ===causes basic setting not carried out
code p 1795 is CAN bus--throttle body position
code p 1780 is park/neutral position (PNP) switch circuit engine torque signal circuit
code p 1779 is engine torque delivered to TCM signal
go google and type in cadillac fault codes and find a site that has all the codes listed
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Why does my trx200sx backfire when I let off throttle it just started this

Dennis, Maybe try changing your plugs, unburnt fuel may be getting in exhaust because of weak plug.. Read the following links, very informative in telling causes of and some suggested fixes on backfiring. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://www.rcramer.com/shop/backfire.html

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I have a Yamaha dragstar xvs 1100cc year 2002 as seen in Vidio , it has straight through slash pipes on it , I've had bike 2 months and now it's backfiring loads more on decel , I'm told to change the

Backfiring on throttle-closed decelleration is usually caused by cold air being sucked into a hot exhaust systen. Check for poor seal where the downpipe meets the cylinder head, and leakage at any joints beneath the engine if it has a balance pipe. Hope that helps.
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Backfire loss of power

have you tried removing the idle speed motor and cleaning it with throttle body cleaner, as well as port it is removed from?
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