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  c.1994 115-HP OMC Jet: Details of Cooling System Hoses

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Author Topic:   c.1994 115-HP OMC Jet: Details of Cooling System Hoses
jerryniff posted 11-06-2009 03:40 PM ET (US)   Profile for jerryniff   Send Email to jerryniff  
I came upon a turbojet with 115 OMC that I believe is 1994 or 1995. The model number is 115JEED and serial number G3753119. I have already mounted the jet drive in my boat with no problem. However, on the bottom of the motor attachment there are six hoses, and I have no clue where they might or might not go. I am hoping someone might direct me to an area in the net or might know how to hook the hoses up. The motor is setting on the bench with the carburetors facing up. I am looking at the motor/jet attachment. The hoses are located the indicated distances and degrees below the center of the motors drive shaft:
1. 5.5¨ 14cm at 1900hrs.
2. 7.0¨ 18cm at 1700hrs. points straight right
3. 9.0¨ 23cm at 1830hrs. raised area
4. 14¨ 35cm at 1900hrs. same raised area as number 3
5. 14¨ 35cm at 2000hrs. points straight left
6. 17¨ 43cm at 1930hrs. raised area but not as high as area for hose 3 and 4.
Hoses number 1 and 4 are connected by a T.
Hose number 3 is plugged with a bolt.
Gerald Niffenegger
Florianopolis, SC Brasil
jimh posted 11-08-2009 08:31 AM ET (US)     Profile for jimh  Send Email to jimh     
I recommend you obtain the service manual for the engine to learn how its cooling system hoses should be arranged. You might also get an idea from an exploded view diagram. Often you can find an exploded view diagram on-line for OMC engines at

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