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Sean Ames
Sean Ames Posted on Nov 21, 2013
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Wont start. when turn over backfires

Bike was starting only firing on 3, but fires on all 4 with choke on. now bike wont start at all. and backfiring.

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paul

paul

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  • Suzuki Master 1,190 Answers
  • Posted on Dec 06, 2013
paul
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Joined: Dec 02, 2013
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Check fuel is good and not older than 6mths if bikebeen stood long period ? carbs may need cleaning !

5 Related Answers

Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: bike backfire

Yes, it could (and probably is) be an air leak. Check to be sure the carb is tight in the intake manifold, and make sure the hot-start isn't loose and is sealing properly. Also make sure all of the exhaust system joints are tight, an air leak in the exhaust will make a four-stroke pop and backfire like an old work truck with no muffler...

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Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: backfire

Yes, it could (and probably is) be an air leak. Check to be sure the carb is tight in the intake manifold, and make sure the hot-start isn't loose and is sealing properly. Also make sure all of the exhaust system joints are tight, an air leak in the exhaust will make a four-stroke pop and backfire like an old work truck with no muffler...

Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: backfire

Yes, it could (and probably is) be an air leak. Check to be sure the carb is tight in the intake manifold, and make sure the hot-start isn't loose and is sealing properly. Also make sure all of the exhaust system joints are tight, an air leak in the exhaust will make a four-stroke pop and backfire like an old work truck with no muffler...

Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: backfire

Yes, it could (and probably is) be an air leak. Check to be sure the carb is tight in the intake manifold, and make sure the hot-start isn't loose and is sealing properly. Also make sure all of the exhaust system joints are tight, an air leak in the exhaust will make a four-stroke pop and backfire like an old work truck with no muffler...

Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: backfire

Yes, it could (and probably is) be an air leak. Check to be sure the carb is tight in the intake manifold, and make sure the hot-start isn't loose and is sealing properly. Also make sure all of the exhaust system joints are tight, an air leak in the exhaust will make a four-stroke pop and backfire like an old work truck with no muffler...

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You need to clean your carburetors. The ethanol that is in gasoline turns to an orange colored film
and it clogs the jets. The prevention for this seems to be seafoam added to your gasoline after your carbs are clean.
It does work. If your bike sits a lot, i would also suggest that you start it up weekly and let it warm up. Sitting is the worse thing for gasoline.
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Your back fire should be gone as well.
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