Question about 2000 Harley Davidson XL Sportster 883
Posted by Anonymous on
What year is it. You posted under 2000 Sportster.
Nevertheless: VOES uses vacuum to switch between two MAPS. What is your porblem or question?
Posted on Oct 16, 2014
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Posted on Jan 02, 2017
The original carb on a 1983 XLH was a Kehien "butterfly" type carb as opposed to the current Kehien "CV" type carb. You can find a replacement carb but you're going to look real hard for it and when you find it, it may have the same problem your carb had. So, there are a few things you can do to get around the problem.
One, you can purchase an aftermarket carb and manifold such as an S&S. The S&S Super "E" Shorty card is a good carb but it is a bit big for the 1000cc engine. If you jet it correctly and run an exhaust system with a little backpressure, it will perform well. It will also come with a nipple for your VOES switch.
Two, you can purchase an intake manifold (S&S) or modify your original manifold to provide the vacuum for your VOES. To modify your own manifold, you simply need a piece of brass tubing or a nipple that you can drill the appropiated size hole in the intake and install the nipple. If you have your old carb, measure the nipple and make one yourself. It doesn't have to be made of brass. Drill a hole in the appropiate size bolt and drill and tap your intake for the bolt to screw into it. Don't screw it in too far though and I'd install it in the flange that the carb bolts too.
Three, you can run your bike without the VOES switch. You will need to check the advanced timing on your engine. Set your ignition advanced timing to the mark on the flywheel that represents the "Front Cylinder Advanced" timing mark. This will allow your maximum advanced timing to go to the 35° maximum but no further.
There is a lot of discussion about the operation of the VOES. Depends on what you think it does, advance the timing or ****** the timing. It actually does both. Under light load conditions (high manifold vacuum) the VOES allows your ignition control unit to actually advance the maximum timing on your engine. Sometimes under these light load conditions, your engine may be running at 40° BTDC timing. But, when you open the throttle and put a load on the engine (manifold vacuum goes low) the switch tells your ignition control unit to go back to 'normal" ignition timing of 35° maximum. The purpose of doing this is two-fold. One, it gives you better fuel economy and, two, it prevents detonation or "spark knock". If you disable the VOES by disconnecting it's vacuum source and setting the maximum ignition timing to the "front cylinder advanced" mark (35°BTDC), your bike will run fine but your fuel economy may suffer slightly.
Posted on Nov 08, 2009
Is the clutch cable adjusted correctly, you may need to adjust the cable so that the clutch is released more fully, there will be an adjuster on either end of the clutch cable - adjust it so that the cable is tighter - but there should be a little bit of play left in the clutch - if this does not cure the problem you could have some gearbox damage,
The bike is still under warranty so take it to a harley dealers and have them look at it.
Posted on Jan 24, 2010
This used to be a common problem back in the days of generators but I've not heard of this since Harley went to the alternator systems in 1970. It is unusual to say the least.
The first thing I'd do is have my battery tested. This is simply good procedure anytime you are experiencing a charging system problem.
Next, check the output of your alternator. To do this, you'll need a DVOM, digital volt ohm meter. Unplug the voltage regular at the front of your engine case close to the oil filter. Now, put your DVOM into "Voltage", "AC", Range 50 volts or better. Now, with the engine running, put one lead from the meter to one of the pins in the plug in the engine case. Put the other lead in the other pin. Rev the engine up to about 2000-2500 RPM. You should read at least 30 Volts AC. You must have the meter in the AC positon because an alternator puts out alternating current. Your regulator converts it to Direct Current voltage for the charging the battery and reduces the voltage. If you are reading thirty volts or better, I would suspect the Voltage Regulator is your problem.
Posted on Mar 24, 2010
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