|    Not Ranked 
 With a stock, from the factory settings,you have :Blue advance stop bushing -  21 degrees centrifugal advance
 2 silver (heavy)  springs -      all in at 4,000 rpm
 
 21+6= 27   NOT GOOD
 4,000 rpm    "      "
 
 Try 13-15 degree initial with :
 2 blue springs =  2800-2900 rpm    or
 1 silver (light) & 1 blue springs =  2,400 rpm
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