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1986 70hp idles fine at cold start will run good for aabout
1986 70hp johnson idles fine at cold start will run good for aabout 10 mins at any rpm then starts getting skippy feels like its losing a cylinder then getting it back or somthing. Keeps lagging and i… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Sheer pin off. Not sure what they hit. Replaced sheer small
Sheer pin off. Not sure what they hit. Replaced sheer small ding in prop. Took prop off first and checked gears on front of shaft. Did not start boat as in lift but slipped into gear. Prop still turns… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I am having what appears to be a fuel delivery problem, I
I am having what appears to be a fuel delivery problem, I have an 89 johnson 70hp. when using a newly installed water separator, it appears to run out of fuel. I re-routed around the separator and it … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
hi my 1990 70hp Johnson motor cuts out when I speed up or slow
hi my 1990 70hp Johnson motor cuts out when I speed up or slow down quickly. if I increase/decrease revs very slowly its fine… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
2,715 satisfied customers
hello! my name is ***** ***** have a 70hp Johnson seahorse outboard,the
hello! my name is ***** ***** have a 70hp Johnson seahorse outboard,the motor will start and shout off what is the problem?… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
1996 70hp evinrude, starts and idles ok but when put in gear
1996 70hp evinrude, starts and idles ok but when put in gear and start to move off motor dies unless it is slam.med to full throttle… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
2,715 satisfied customers
I HAVE A 2003 JOHNSON 70HP 4 STROKE.. IT STARTS GOOD BUT WHEN
I HAVE A 2003 JOHNSON 70HP 4 STROKE.. IT STARTS GOOD BUT WHEN YOU THROTTLE UP TO AROUND 3000 RPM IT STARTS TO BOG DOWN AND SEEMS LIKE IT IS NOT GETTING FUEL.. WHEN I TURN THE KEY ON I CAN HEAR THE FUE… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
Johnson Outboard 1998 70hp start well and working well when
Johnson Outboard 1998 70hp start well and working well when the transmission OF,bat stop working in 5...10 sec. when I put transmission to ON (motor is enough hot). How We can fix this problem?… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Have a 1999 70hp Johnson Outboard. ran fine one day and
Have a 1999 70hp Johnson Outboard. ran fine one day and the next it ran on idle for a bit then died when i tried to throttle up.. wouldn't start again. Also, discovered that the motor will not trim up… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
ok so i have a 1995 15hp johnson that i have been fighting
ok so i have a 1995 15hp johnson that i have been fighting with for some time now and i tried to get help from the iboats forums and no luck. the motor was working perfectly until one day i stopped fo… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Hi I have a Johnson 70hp model J70TLCNB it goes well starts
Hi I have a Johnson 70hp model J70TLCNB it goes well starts well has just had service the only problem is that when you go to take off it will only idle at first ,if you give it too much throttle it w… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I have a 1998 Johnson tracker 50 I am having great trouble
I have a 1998 Johnson "tracker 50" I am having great trouble starting it, warm or cold. The only thing that works is to goose the throttle 3 times, hit the choke once, and pray. Usually it sputters an… read more
davesoutboard
davesoutboard
Marine Mechanic
Associate Degree
1,579 satisfied customers
I have a 1974 Johnson 70hp. outboard that was running fine.
I have a 1974 Johnson 70hp. outboard that was running fine. I replaced spark plugs. It ran fine for awhile, then it started bogging down and died. It wouldn't crank, like a dead battery. I tilted the … read more
davesoutboard
davesoutboard
Marine Mechanic
Associate Degree
1,579 satisfied customers
i have a 77 70hp evinrude engine starts fine first time but
i have a 77' 70hp evinrude engine starts fine first time but after shuting off it doesn't like to start… read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
I HAVE A 1988 JOHNSON 70HP MOTOR,THAT PFFTS PERIODICALLY AT
I HAVE A 1988 JOHNSON 70HP MOTOR,THAT PFFTS PERIODICALLY AT IDLE. ITS NOT A BACKFIRE & DOESNT COME THROUGH THE CARBURATOR,SEEMS TO BE COMING FROM TOP OF MOTOR UNDER FLYWHEEL. ANY SUGESTIONS & IDEAS… read more
davesoutboard
davesoutboard
Marine Mechanic
Associate Degree
1,579 satisfied customers
I have a 70hp mariner outboard it starts and idles fine but
I have a 70hp mariner outboard it starts and idles fine but when you start to throttle it forward on in reverse it dies need help?… read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
hey its me with the 70 hp johnson. i cleand all the jets and
hey its me with the 70 hp johnson. i cleand all the jets and had no improvment. i noticed all the jets were screwed all the way in, is that normal? what else could be wrong?… read more
TOM
TOM
Vocational, Technical or Trade Scho
196 satisfied customers
i have a 1974 70hp johnson,broke the lower unit and bought
i have a 1974 70hp johnson,broke the lower unit and bought a 1977 70hp with thown rod for parts. problem now is foward and reverse are backwards. are the lower units geared differently or is it in the… read more
davesoutboard
davesoutboard
Marine Mechanic
Associate Degree
1,579 satisfied customers
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