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NHBUOY · 07-02-2013, 11:47 AM

If it is an outboard, make sure you have a water supply to the lower unit. Water pump impellers are easily destroyed without water flow. A V-4 should take all of 20 minutes to check compression.

07-02-2013, 11:47 AM	#6
NHBUOY Senior Member Join Date: May 2005 Location: Loon Mtn. winters...Meredith Neck summers Posts: 398 Thanks: 288 Thanked 94 Times in 60 Posts	If it is an outboard, make sure you have a water supply to the lower unit. Water pump impellers are easily destroyed without water flow. A V-4 should take all of 20 minutes to check compression.