1978 115hp johnson outboard, good engine?

[BigB9000]

anybody have any experence on these thing? they good motors? easy to work on? parts cheap? great on gas? known problems?

thing has been sitting for 5 yaears now, i plan to start playing with it next week. where to start?

 

[The-Machinist]

Re: 1978 115hp johnson outboard, good engine?

There is no such thing as a bad johnson, some just need a little help. If it has good compression and spark, chances are you may have a very decent motor on your hands.

 

[LiLGrady17]

Re: 1978 115hp johnson outboard, good engine?

I'm the new owner of a 77 85HP Johnson, which is essentially the same motor, just a bit smaller bore.. The 85 to 140 hp versions of the same vintage are very similar, many parts interchange & are easy to find. Before you do anything tho, I'd recommend look on here for an article about bringing an outboard back to life, and doing a compression test. If the compression checks out, plan on rebuilding the carburetors, & checking the entire fuel delivery system.

 

[ezeke]

Re: 1978 115hp johnson outboard, good engine?

http://forums.iboats.com/showthread.php?t=158086

 

[iwombat]

Re: 1978 115hp johnson outboard, good engine?

That '78 was the first year of a model change for the crossflow. You'll find powerheads, lower units and other parts that interchange all the way into the '90s.