Question about Harley Davidson XL 1200 S Sportster Sport Motorcycles
Bike cruising then power just died have restarted but inevitably fails at random just engine lights and all still ok
Posted by Anonymous on
Hi Anonymous, and the usual suspects are:
1. Battery terminals loose, corroded, or broken. Check negative cable at both ends.
2. Battery nearly discharged.
3. Faulty or corroded Maxi fuse, system relay, starter relay, circuit breakers and fuses.
4. Faulty ignition coil, ignition/electronic module, CKP, CMP, MAP and BAS sensor.
5. Pin or spade connectors corroeded, melted, broken or pushed back.
6. Intermittant short circuit due to damaged wire insulation.
7. Loose or dirty ignition/electronic module at crankcase.
8. Water or dirt in carburator or fuel system.
9. Faulty fuel pump, pick up tube, pressure regulator or fuel filter.
10. Fuel tank vent system plugged or carburator vent line closed off.
For a prime suspect please visit website below:
Harley Davidson Sportster error codes and how to access them
Posted on May 05, 2015
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Posted on Jan 02, 2017
The resetable breaker could be of little amps which cannot take the load of the electricals of your bike, thus its overheating and trips off.
Surprising though it also drains the battery.
There could be some kind of a short in the wiring somewhere.
Why did they replace the main fuse in the first place? Was there any kind of problem to the electricals thn?
Posted on Jun 18, 2009
Professeur D is another of the people who just can't say "I don't know" or just be quiet. His comments are worthless. You don't say what the bike model or year is, but I bet it's a newer bike. I have an '02 FLHTCU with the engine juiced up a little and the rear cylinder really runs hot. The circuit breaker is located right over the rear cylinder, and since I have an oil temp gage I can see that when the temp hits 230 the breaker is going to open and shut all electrical off. I've changed breakers many times and the problem is still there and the dealers don't know what to do. I've been told by another rider that I should replace the circuit breaker with a fuse which will not be affected by temp. I'm going to look into that!
Posted on Jun 02, 2010
u need a repair manual like clymer etc--engine work is in detail-us pros use it-------cud be a computer issue--also a batt can fail at any time--components with age can wear from resistence
Posted on Dec 02, 2012
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