1991 Johnson Warning Horn 60hp 3cyl

[marti]

The motor runs great other than the warning horn.<br />Do we have a vro reservoir? Did we mix the gas and oil wrong? Is there air in the lines? someone suggested that we let it run completely out of gas? I feel like there is a restriction in the fuel system what do we do to fix i :confused it? I bought the repair manual and need advice Help

 

[rickdb1boat]

Re: 1991 Johnson Warning Horn 60hp 3cyl

When do you get the warning horn and what kind of sound does it make?(Slow Beeps every 20 sec. or all the time)and when does it do it? Could be overheating warning! Did you disconnect the VRO system! You asked if you mixed the proper oil/gas ratio, which is not nessesary on a VRO system. You just fill the VRO tank with oil,prime it and put gas in the tank. Its a good idea to run with the 50:1 in the fuel tank, even if the VRO is hooked up, for the fist run to make sure the VRO is working! If you did disconnect the VRO system,or you do not have it at all, the mix in the fuel tank is 50:1(1 Pint oil to 6 Gal. Gas). Can you give more info on what is going on with it or if it does indeed have the VRO system? Sometimes it will say on the outside off the Motor cowling(VRO). Look around for a plastic tank under a seat or somewhere near the back of the boat. Does your fuel line go directly from the gas tank to the engine? Trace it down if you can! If so, you probably do not have VRO! Need more info! <br /><br /> Rick

 

[marti]

Re: 1991 Johnson Warning Horn 60hp 3cyl

I do not believe it is a VRO the repair manual refers to the VRO when talking about the alarm. My husband mixed the gas correctly. He doesnt think it is overheating because the motor isnt hot to the touch and we have a stream of water coming out of the pump. It doesnt ring the alarm in the morning only in the afternoon when temperatures are higher. OR another example is when we enter the Missouri River from a smaller body of water. I know it sounds strange but that is when it goes off. We really have no idea if there is a resevoir I just got the book today and we plan on overhauling and really digging into it tonight. The book also references that the alarm may be activated if there is a insufficient delivery of fuel to the powerhead. We just purchased this boat from a gentleman who only duck hunted out of it and swares he never heard the alarm. I only know that we just spent alot of money and I really would like to be able to fix or at least know what I am talking about before taking it to the shop. It also says in this book that if the horn continues to sound when the throttle is reduced the powerhead may be overheated. How do you know other than the alarm if it is overheating or if it has insufficient delivery of fuel? Thanks for your response your input is truely appreciated!!

 

[rickdb1boat]

Re: 1991 Johnson Warning Horn 60hp 3cyl

Funny you should mention that is does it when you enter the river! Lots of silt and other goodies in there that may not be passing through a somewhat clogged water intake. Check to be sure that the water intakes at the bottom of the lower unit are clear. Where did this guy use the boat? Was it also in dirty water(River)? My thought is that you need to overhaul your water pump, as it may not be putting out what it should, even though you say it is putting out water through the pee hole! I believe that it is overheating! The next time it does it, feel the temp of the water coming out of the pee hole. Should be warm, but not so hot that you can't keep your hand under it. The only other thing that I can think of right now is that you are having thermostat problems(Not opening all the way). I would put a set of Muffs on the water intake, remove the t-stats, and flush the motor to clean out any debris. As far as insufficient fuel, if you can run full throttle with no problem, I don't see a problem there! I also have not heard of a insufficient fuel warning. Maybe someone else has other ideas and can pass along more info. Good Luck, Rick

 

[rickdb1boat]

Re: 1991 Johnson Warning Horn 60hp 3cyl

bump

 

[marti]

Re: 1991 Johnson Warning Horn 60hp 3cyl

Thank You Rick we looked at it last night and it is a VRO. My husband seems to think that it is the heat sensor. We will for sure take a look at the water coming out of the pee hole and feel the temperature. The water pump will probably be the next think if the heat sensor is not it. Thanks so much for your help!!! I will keep you updated.

 

[clanton]

Re: 1991 Johnson Warning Horn 60hp 3cyl

This engine does not have fuel restriction sensor. Sensor only for overheat, low oil in remote tank, or no oil being pumped by VRO pump. The overheat is a steady alarm, the other two do the beep beep beep thing. Check the waterpump and the location of tattle tale hose, the tattle tale hose should come from top of block, if not comply with Service bulletin 2276R1. The temp sensor located on top rear of block, tan with blue stripe wire, if sensor does not have blue stripe, replace sensor with 584116, Service Bulletin 2221.

 

[marti]

Re: 1991 Johnson Warning Horn 60hp 3cyl

Thank You !! The sensor doesnt have a blue stripe.<br />I will keep you up dated.