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Nerobro said:I CAN afford new jets. Is there any reason I shouldn't do it?
Nerobro said:I'm not intimidated by the carburators. I just dont like working on them because they're a PAIN IN THE BUTT to get to. If it weren't for the stinking airbox I could pop the carbs in and out in.. oh.. 10 minutes. Right now it's nearly an hour of frustration trying to shove a square peg through a round hole.
_________________Earlfor said:
Ok then, putting the stator papers aside, lets try the simple route.
The charging system is comprised of the stator and the regulator/rectifier.
The stator produces AC voltage. The bike runs on DC voltage. The regulator/rectifier changes the AC voltage to the DC the bike can use.
The stator produces a set amount of AC voltage for a set rpm of the engine.
There are three yellow output wires coming from the stator that carry the AC voltage to the regulator/rectifier. You will find either a plug used to connect the two, or three bullet connectors on the three wires. Disconnect the stator from the regulator rectifier. You will have three plain ends of the yellow stator output wires. Do not have them connected to anything. Set your multimeter to the AC scale 200 volts. The stator has three phases. Each phase should output 80 volts AC when the engine is running at 5000 rpm.
If we number the three yellow wires 1,2, and 3 then you want to connect the test leads of the multimeter between wires 1 and 2 to read that phase. then connect the meter leads between wires 2 and 3 to measure the voltage on that phase and then connect the meter leads between wires 1 and 3 to measure the last phase. All measurements should be taken with the engine running at 5000 rpm. All phases should read 80 volts on the AC scale AC SCALE
If all three phases show 80 volts or very close to that, then your stator is working normally.
Keeping things simple, if the stator works and there is not 14.8 volts being put into the battery, then the only possibility is that your battery does not have a good clean ground, your regulator rectifier is not connected tothe battery, or you regulator rectifier is faulty.
Assuming the R/R was hooked up and the battery was grounded, then the R/R is at fault and should be replaced.
If the stator voltages are not 80 volts on all three phases, then the stator is faulty. If the stator is faulty, the R/R cannot rectify voltage it is not receiving, so the R/R may or may not be faulty when measureing voltage with a running engine test.
As a rule, if the stator outputs 80 volts AC at 5K rpm, its a pretty safe bet you have a faulty R/R.
Earl