Question about Harley Davidson Motorcycles
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Posted on Jan 02, 2017
Your key switch could be bad or you have a broken power wire from the battery to the circuit breakers. Check everything with a voltmeter.
Posted on Mar 15, 2009
The only idea that i can come up with is that you dont have a good ground..or the guage was bad when you bought it..i hope this..Keith
Posted on Jul 02, 2009
The advance timing should be 35° before Top Dead Center. This is how you find out which mark this is.
Get the rear wheel of the bike off the ground, remove the spark plugs, shift the bike into fourth gear, and remove the timing plug from the left engine case.
Now, take an ordinary PLASTIC DRINKING STRAW and insert it into the front spark plug hole. Do not use anything else or you stand a chance of it breaking and then you'll have to pull the head to get it out. The plastic straw will bend but not break.
Bump the rear wheel in the direction that it turns while riding down the road until the piston pushes the straw all the way up and just barely starts going back down. Look into the timing hole. You should see a timing mark. This is the Top Dead Center mark. Now, bump the rear wheel BACKWARDS until you see another mark. This should be the ADVANCED TIMING MARK. The piston should 7/16" down from top dead center.
On this model Sportster the timing is advanced by a mechanical advance mechanism. These units are notorious for wearing out and not contolling the timing very well. You must remove the breaker plate to inspect this mechanism. Mark the position of the plate before you remove it. If the pins and holes in the flyweights are worn, replace the unit. Replace it with a good needle bearing unit. Replace the points and reset the gap at 0.018 - 0.020".
Posted on Sep 24, 2009
If you're lucky it might be the speed sensor located in the gearbox casing. This is a hall effect device and is magnetic and so can pick up metal fragments from the inside of the gearbox. I have a 2001 Sportster and the Sensor is located on the top of the gearbox casing, just below the starter. I'd expect it to be in a similar position on a later bike such as yours, but I can't be sure. Once you've located it, take it out (can be a bit fiddly) and make sure that its clear of any debris. If not the sensor, you're probably going to need to substitute in a working speedo. Be careful because a pre-2004 speedo is electronic, but is not compatible with 2007 bike. Best of luck!
Posted on May 03, 2010
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