Spare, i got a used thunderbolt ignition module and still no spark,finally  i found  the problem it was a short in the wiring harness coming out of the module. Running great now. now onto the outdrive. thanks as allways
		 
		
		
		
		
		
		
			
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				1988 Grady White Seafarer  Yamaha 250 ox66 on a bracket
			 
		
		
		
		
		
	
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