20 Most Recent Johnson Minn Kota Mk 25 & Mk 35 On Board Maintainersstyle: Mk 35 - Page 4 Questions & Answers

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I have a 1979 70hp Johnson outboard motor. it has power but will not turn over could someone help me with what the cause might be? Thank you

Check your neutral safety switch or start in gear protection switch.
10/27/2018 3:34:36 PM • Johnson Boating • Answered on Oct 27, 2018
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Fuel mix for Evinrude 20 outboard

50:1
10/27/2018 3:25:18 PM • Johnson Boating • Answered on Oct 27, 2018
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Ideal adjustment on 1996 115 hp oceanrunner Johnson out board motor

Idle adjustment is done on the left (driver) side of the motor by turning the adjuster on the black cable running to the control box at the console. There are 2 one is tensioned to select the gearing. F - N - R
10/8/2018 2:23:58 PM • Johnson Boating • Answered on Oct 08, 2018
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Adjest shift & speed cables on 20hp johnson outboard motor?

The cables have adjustment nuts.
9/5/2018 5:04:04 PM • Johnson Boating • Answered on Sep 05, 2018
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How to adjust shift? speed cables on older 20hp johnson outbord motor

There are adjustment nuts.
9/5/2018 4:49:46 PM • Johnson Boating • Answered on Sep 05, 2018
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I have a 45 johnson sea horse outboard engine that just shut off while driving it and wouldht start up again .but it started up fine the next day what could be the problem?

Could be fuel or thermostat ... if the water isn't getting to the motor when it needs to cool it will stall .. Usually takes 10 min or more of its partly plugged with sand or debris. Remove thermostat and flush... some have two thermostats.
8/24/2018 2:43:28 AM • Johnson Boating • Answered on Aug 24, 2018
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Have a Johnson 9.9,4 stroke outboard that after running for 15 min.Starts missfiring,then stalls.Will start after cooling off.Ihave replaced coil,fuel pump, primer bulb,spark plugs,and spark module .

Couple of possible problems. I would tend to lean to wards carbon build up on the piston . What happens is over time you will gain carbon , as the engine runs it super heats and when its hot enough it will cause the gas to ignite at the wrong time and actually stall the engine. Imagine you are pushing a rotary door in the mall and every time you pass the enterence to the mall another person jumps in and helps push ... everything spins easily . . Then some clown jumps in and gets caught in the frame ... everything stalls. To fix this you will need to take the head off and clean out the carbon. Might take a bit but it can be done . Had this happen to a mechanic friend of mine... he repaired a 9.9 got paid for the job and the motor would run for 20 min and quit couldn't figure it out to save his soul. Until we put our heads together. Checked every possible thing only to figure out it was a carbon problem.
8/19/2018 3:44:23 AM • Johnson Boating • Answered on Aug 19, 2018
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1959 johnson sea horse 5.5 hp leaking dirty oil maybe a greenish blackish tint in sun

1959 model would be premix fuel/ oil so any oil will be a result of excessive oil in the fuel and not burning up
7/30/2018 9:49:12 PM • Johnson Boating • Answered on Jul 30, 2018
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My 1994 50hp Johnson outboard motor will not shut off with the key switch my question is does this system have a diode that could cause this problem

Check your wiring at the engine. When your key is rotated you will have a complete circuit which powers your accessories, motor, and if that circuit is broken your engine should shut down .. So either your key circuit to the engine is staying powered from a faulty ignition switch or someone didn't set up the wires properly.
7/20/2018 10:03:51 PM • Johnson Boating • Answered on Jul 20, 2018
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What is the spark plug gap for a 150 hp johnson outboard?

There is no gap as they use the flat plug that does not have an adjustable ground electrode. If it is older 35 thousandths will do the trick
7/2/2018 3:57:38 PM • Johnson Boating • Answered on Jul 02, 2018
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How do you fix rewind on Johnson seahorse 4hp

Usually, replace the recoil spring. You also, may be able to increase the wrap tension by: 1) pull spark plug (easier to manipulate spinning the motor) 2) wrap the extra loop of rope around the start pulley gear. sometimes there is a bracket, etc. to work around
6/16/2018 4:55:48 PM • Johnson Boating • Answered on Jun 16, 2018
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'96 Johnson 175 won't trim down while in gear but trims down in neutral. Also hesitates and shakes the boat when trimming down while the engine is not running.

Sounds like you need marine grease in the bracket.. Should be like 6 or 7 grease ******* around there. They need regular greasing
6/16/2018 3:40:31 PM • Johnson Boating • Answered on Jun 16, 2018
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