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Voltage Regulator Schematic
 
Steve Srubar has provided a schematic for a voltage regulator. There are no guarantees that this will work on your machine. Although this regulator regulates the voltage on a 1978 XS750E to 14.5 volts, which is the stock spec. If you build this circuit, you are on your own. If it fries your bike's electrics, don't blame us.

Component   Name   Approx. Cost
R1 1.3 K 1% .10
R2 2.2 K 5% .10
R3 1.0 K 1% .10
R4 2.2 K 5% .10
D1 6.2V Zener Diode (NTE5013A) .70
D2 1N4003 .70
D3 1N4003 .70
Q1 NPN transistor (NTE123AP) 1.05
Q2 NPN darlington transistor (NTE263) 2.30
D4 3-phase rectifier (not pictured) 7.50


 

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