From one Blue to another - congrats!   
  
On the RPM's, 5300 sounds more like what it should be.  I don't know about the merc 150's but the Yamaha 150 2-stroker should run somewhere b/t 5000 - 5500 WOT depending on prop. 
  
Glad you are back on the water!   I know the feeling well.
		 
		
		
		
		
		
		
			
				__________________ 
				 
1994 Wellcraft V21
			  
		
		
		
		
		
	
	 |