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Intermittent rough idle

I have a 07 heritage classic that some time runs rough and tries to die when your stopping this is most times after its been ran for about 30 minutes any suggestions would be appreciated

Posted by Anonymous on

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  • Harley Davidson Master
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Hi Anonymous, and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap to close or to wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discharged.
6. Damaged wire or loose connections at battery terminals,
ignition coil, or plug between ignition sensor and module.
7. Intermittent short circuit due to damaged wire insulation.
8. Water or dirt in fuel system, carburetor or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose or dirty ignition module connector at crankcase.
13. Faulty MAP, CKP, and or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damage intake or exhaust vale.
For a prime suspect please visit website below:
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley... Good luck

Posted on May 08, 2015

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: heritage classic electrical intermittent failure

This happened on my bike while in destin, the ft. walton dealer said it was a stator and wouldn't make it back to atl. checked the system and found a loose cable on the negative post, tightened it up and no more problems. start with the simple things...

Posted on May 08, 2010

  • 14 Answers

SOURCE: Why does my 2001 heritage softail classic idle up

clean your carb

Posted on May 07, 2013

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