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Shannon MacGillivray Posted on Aug 30, 2012

So i've recently run into a problem where the bike

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  • Contributor 16 Answers
  • Posted on Aug 30, 2012
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If it was a two cycle I'd say it was clogged exhaust ports. But you have a pretty exotic bike. So I guess it's a timing issue dealing with the exhaust Ox sensors.

5 Related Answers

Anonymous

  • 1010 Answers
  • Posted on Jun 23, 2008

SOURCE: 1988 F-250 460 engine stalls when dribing down the road

On older, carbureted engines, cold stalling (and hard starting) is most often due to an automatic choke that is sticking, misadjusted or broken. Cleaning the choke mechanism with aerosol carburetor cleaner may free up the choke allowing it to work properly again. If the choke housing as an electrical heating element, the element may not be receiving voltage when the key is on, or the element may have burned out (check resistance with an ohmmeter).

Other causes of stalling with a carburetor include an idle speed adjustment screw that is set too low (turn screw to increase idle speed rpm). The engine may stall if the idle fuel mixture screw(s) are not adjusted correctly or the idle mixture port(s) are dirty or clogged with fuel varnish deposits (clean the carburetor and readjust the idle mixture screws for smoothest idle). Stalling can also occur is there are vacuum leaks in the carburetor, under the carburetor (bad base gasket), or any vacuum hose connections to the carburetor or intake manifold

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Frank Chen

  • 330 Answers
  • Posted on Jul 27, 2008

SOURCE: stalling, power loss, backfiring

check the vacuum hose, the vacuum hose is leaking.

Anonymous

  • 160 Answers
  • Posted on Mar 17, 2009

SOURCE: 1992 Toyota Camry Rough Idle

start by pulling hose off egr valve see if idles smoother almost instantly

Ray Keckeisen

  • 599 Answers
  • Posted on May 13, 2009

SOURCE: Car stalls when idling at stop light

have the car checked when the check engine light is on,also a good scanner will be able to give you the history codes,get back to me with the codes and we'll go from there. you need someone with a professional scan tool

Anonymous

  • 3533 Answers
  • Posted on May 20, 2009

SOURCE: Occasionally my 2003 Taurus stalls

check all of the vaccum lines and check for leak at the fuel injection unit and for leaks at the intake manifold also make sure the spark plugs are at the right gap and change the fuel filter and here is a couple of website to checout www.autozone.com and www.alldatadiy.com and i forgot one www.taurusclub.com and i hope i have been some help to you Michigan Man.

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1answer

1976 VW 2000cc bus, fuel injected, automatic single loud backfire, then dead! Pulling out of a parking lot at around 25 mph, I had a single very loud backfire, then the engine died. The motor will crank /...

I'd check the compression now, before getting involved with anything else. And double check the timing because that would explain a backfire and failure to start.
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Running rough-1987 Ford Ranger 2.3 L 4 cyl. Had been running very smoothly until 2 weeks ago when it began backfiring and running rough, especially at low speeds, without my having made any adjustmen

If your car has a mas air flow sensor (usualy located right aroung air filter or in air passage after the air filter) check and clean the sensor. This looks like a small spring on the end of 2 wires. BE CAREFUL not to damage the sensor. I have seen where the sensor gets dirty over time and this can cause a rough idle.
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2.9L bronco 2 will not idle without missing and backfiring was running good done all at once

It sounds like your timing belt jumped a tooth. You'll have to realign your camshaft to crankshaft and change your timing belt. Also, did you recently fill up?
1helpful
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Backfiring

The backfiring on deceleration is typically associated with a loose timing chain.

If you put a wrench on the harmonic balancer bolt, turn the balancer gently until you feel the chain tighten, then rotate the opposite way until it tightens, how far does is move.
If it goes more than an inch, it is getting sloppy. If it moves closer to 2 inches, it is worn out.
Try that first then let me know and we can go from there.
Good luck.
Regards,
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Will not crank and backfires

Hopefully, it is a mis-timing of the ignition and not an improperly installed timing belt or chain. The latter cold be fatal to the engine. I suspect that was not a cheap replacement so I wouldn't delay having it checked. 
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Constant backfire on deceleration 88 chevy 4.3 V 6

Check for exhaust leaks. Esp Leaks toward the front of the car. Hold your hand over the tail pipe using a rag and see where the loud hissing noise comes from. Repair the leaks and I bet the backfiring goes away

Good Luck
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