There's a download service manual for $7.99 at http://eu.selffixer.com/outboard.motors/Johnson.evinrude/1995-Johnson-vro-70-manual.htm If this isn't late enough dig about a bit more.
SOURCE: are the 1988 Johnson vro oil injection system dependable?
the older ones are dependable but they all exspecly being that old its better to be safe than sorry its if it were mine i would mix the gas thats what i tell all my coust the 90 thr 1999 omc vro were terrible the fill the carbs full of oil so i would just mix it that way u know its right just use good oil and that engine will last a very long time good luck
SOURCE: oil mixture for a 70 hp Johnson boat motor?
If it is a 2-stroke motor than gas:oil ratio should be 50:1
SOURCE: vro pump on a 92 johnson 150hp
If you are having problems with the VRO then I would just remove or disable it and mix your own fuel. It is cheaper and there have been alot of problems with those going out while the engine is running and then they sieze their engine because of the faulty VRO. Mix your fuel 50:1 and you will be able to run all day!
SOURCE: need to change impellor on 1988 70 hp johnson how
first go to www.crowleymarine.com to get a picture breakdown of your water pump. website instruction, click on part catalog tab, click on omc Johnson and evinrude tab. choose product line, year tab, engine size, choose model. click on gearcase. the picture showes all parts you have and the correct order they go. ok now we are ready to disasemble the lower gearcase from the motor.(1) trim the outboard down using the tim and tilt system (2) shift remote control into forward gear, this lines up the shift rod so you can reach it. a picture of the linkage is refernce number 50 on the picture from crowleymarine.(3) Remove engine coul, under the carburators you will be able to see the shift rod. if you can't see it follow the shift cable to the shift linkage to the shift rod(4) the shift rod has a hole in the top, that a long screw goes through, connecting shift rod to shift linkage. remove this screw(refer to picture downloaded)(5) again refer to the downloaded picture remove these bolts that i list. number 66 there is 4. #77 there is 1. pull off #76 trim tab.#68 there is 1. #70 there is 1. lower unit will drop after you remove all bolts. remove the impeller housing. look at impeller you will see the fins are bent in one direction. put new impeller in with fins bent in the same direction. reinstall housing and gear case following my dirction in reverse order.
SOURCE: I need a free owners manual for a 1977 Johnson
I spent almost an hour digging for Original and OEM manuals. Seems that the only way to get a manual is to purchase one. Your model number is going to be one of the following: 70EL77, 75ELR77, or 75ER77. You did not say if it was a 2 or 4 stroke. All of the aftermarket books seem to be printed by Ken Cook Co.
This statement appears often:
A limited supply of originally printed and bound manuals for Evinrude, Johnson, Gale and OMC products are still available. When original manuals are no longer available, orders will be fulfilled with a non-bound reproduction copy.
I gave it my all and came up empty handed.
Kelly
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