For a comprehensive answer to this go to marinedoctor.com Ther is a section dealing with this specif question on a 70 hp johnson.
Ever so carefully.
does the lower unit need to be removed to replace the water pump on a 1995 Johnson 115 hp outboard engine
easy
The first check would be to ensure that the tell tale hose is open. Dirt daubers are notorious for crawling up in the hose to build their nest. If you have access to an air compressor, try shooting a...