This will depend on what you have for HP and what RPM you are turning. 
  
More info needed. 
  
Some I/O's will fit outboards--depends on application. 
  
Need  
  
Brand engine 
  
HP 
  
RPM at WOT versus recommended RPM range per manufacturer on your engine.
		 
		
		
		
		
		
		
			
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				 88 V-20
200 G2
			 
		
		
		
		
		
	
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