Electronic voltage regulators and rectifiers have no internal moving parts and must be replaced if found to be bad. the main symptoms of a bad voltage regulator are: 1. The battery will discharge. 2. The...
Spark Plug type XS1, XS2, TX650, XS650B B8ES (NGK) or W24ES (ND) TX650A B7ES (NGK) or W22ES (ND) 1976 and later BP7ES (NGK) or N7Y (Champion) Also available is an Iridium spark plug that will add horsepower to...
This is how to test an ignition coil for the 1980-1984 Yamaha xs650. This method will work with any model, however the numbers shown for the correct operating range in this guide are for the xs650 only, your...