Question about Boating

1 Answer

87 Johnson 150 lack of power

I have an 87 Johnson VRO outboard engine. Runs great with the boat on the trailer connected to a garden hose but on two occasions when I have tried to launch the boat it starts but dies when I put the engine under load to reverse off the trailer. After the first time it failed I changed the spark plugs and fuel filter. Sounded great when I started the engine on dry land, I was sure it was going to work in the water the next time I tried it, but I was wrong. I removed all the pugs and did a compression test - 4 cyl had 90 psi the other 2 had 85 so I assume this is OK? The brand new plugs on the one side of the engine were brown which is normal showing that they had done some work, the plugs on the other side were still brand new looking as though they had just come out of the box? I'm thinking there must be a problem with the power pack on that side of the engine, can anyone advise me of the best way to diagnose for sure if it's a replacement power pack that's needed. Can I test coil resistance etc. Any other thoughts as to what could be causing the problem?

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that got 5 achievements.

    Cheetah:

    An expert who has answered 20 or more questions within one hour.

    Night Owl:

    An expert who has answered 10 or more questions between 12 midnight and 6am on the same day.

  • Expert
  • 63 Answers

I would make sure that my carrbs are clean and not gummed up, just sitting for a short time not running they can and will fowl. If after gettimg them cleaned and know that they are then id say that you might have a power pack issue but id make sure that the carbs are right first.

Posted on May 05, 2013

2 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

  • 5 Answers

SOURCE: My 1988 ( i think) 6hp Johnson outboard motor is

I would suggest you replace the 2 coils. Also, is choke closing properly? The carb if never rebuilt, could cause this problem. A carb kit and 2 coils should not cost much, maybe 20 each for coils and 17 for carb kit. Make sure carb is adjusted properly with outboard in water and warmed up. Mixture screw should be turned in slowly clockwise until engine just pops(lean). Then slowly open it apprx. 1/8 turn. This will aid engine in starting next time. Also, make sure primer bulb firms up when squeezed.

Posted on Feb 15, 2011

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I have a 50 hp Johnson outboard or do I disconnect the shift linkage to get the lower unit off


have a look at the videos

How to remove the lower unit on a outboard engine - YouTube

? 3:24
https://www.youtube.com/watch?v=R6wVMc8GD0w
Mar 29, 2015 - Uploaded by Greg Drinkwater
How to remove the lower unit on a 1989 Johnson 88 SPL Help me remove lower unit. Johnson 90 hp ...

Johnson 50hp Outboard Lower Unit - YouTube

? 2:15
https://www.youtube.com/watch?v=DnU7vKcJkeE
Apr 9, 2016 - Uploaded by Stacy Wyoming
Removing Bearing Housing From a 50 HP Evinrude - Duration: 2:15. Brandon's Garage 274 views · 2:15 ...

how to remove lower unit on johnson outboard - YouTube

? 0:47
https://www.youtube.com/watch?v=_ygxZSxU6-I
May 24, 2016 - Uploaded by 2222buster2222
How to remove your lower unit on a 1984 Johnson Outboard 70HP.

60 HP Johnson Evinrude VRO Lower Unit Removal and Water Pump ...

? 24:26
https://www.youtube.com/watch?v=Hv8gXqsO2fg
Jun 3, 2015 - Uploaded by Ralph Pierre
60 HP Johnson Evinrude VRO Lower Unit Removal and Water Pump Service. ... Just bought a Bass Tracker ...
50 hp Johnson outboard remove lower unit Google Search



Jul 07, 2017 | Johnson Boating

1 Answer

I have a 1966 Johnson 20 hp model fd-20c outboard motor. It has low power. The motor is mounted so low that the pee hole is submerged nunder water when running. Could this be the cause of my low power...


Try mounting it properly,cavitation plate 1/2 inch below bottom of boat.An old motor like that many things could cause a lack of power.

Sep 06, 2014 | Boating

1 Answer

Proline boat manual


add the proper amount of oil to your gas then unplug the VrO

Aug 26, 2014 | Boating

1 Answer

How do i disconnect shift rod from 1994 60 hp johnson vro


You may be able to find more information on the boating forums.

http://forums.iboats.com/johnson-evinrude-outboards-24/

Mar 17, 2013 | Boating

1 Answer

I have a 1987 110 hp johnson vro, the trim motor


sounds like your little relays are bad .

Mar 24, 2010 | Boating

1 Answer

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!

Sep 30, 2009 | Boating

1 Answer

1974 Johnson 70 hp outboard, quits on acceleration.


It sounds like your motor is starving for fuel. At an idle, you have adequate flow to keep the engine running. When you call for more fuel...you sputter and quit. Could be a clogged filter or trash in the line or in a jet. Yes you will have some air in the bulb, but not a great deal. You could be sucking air at a hose connection (loosing some prime)...try this, start the engine and slowly accererate, have someone pump the bulb as you accelerate, see if the engine works properly while doing this test.

Aug 27, 2009 | RTO Oar Sockets

2 Answers

Outboard motor won't run under load


I have 1969 5hp Johnson. Starts and runs good, but will only push a 14ft row boat slow at low to medium rpm. When at higher rpm the the motor just revs up and the boat slows down to almost nothing just like it has seaweed around prop.Any help would be great.

Jan 19, 2009 | Boating

Not finding what you are looking for?
Boating Logo

Related Topics:

115 people viewed this question

Ask a Question

Usually answered in minutes!

Top Boating Experts

Steve
Steve

Level 3 Expert

693 Answers

ray gallant

Level 3 Expert

43059 Answers

Andrew Taylor
Andrew Taylor

Level 3 Expert

14847 Answers

Are you a Boating Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...