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Dec 30th, 2023
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 '87 Johnson Makin Me Crazy!
#9218410
08/11/13 12:27 PM
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Joined: Jun 2009
Posts: 1,255
BossHawg
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 1,255 |
Had fuel delivery problems but fixed all that & bulb is now staying firm---Starts fines, idles fine & runs fine up to around 10mph (will do 30 when running right on my pontoon) but then bogs down? I can throttle down before it dies & it'll idle fine & go again at slow speed-if it dies it'll start right back up. Compression is good & equal on all 4 cyl- Cleaned carbs New fuel pump New tank New bulb & fuel line ------ Coil failing under load maybe?? Don't know how to check that & can't think of anything else to do 
Texan By Birth & East Texan By Choice
Sam Rayburn On Weekends----
USMC '67 -'70 Viet Nam Vet
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Re: '87 Johnson Makin Me Crazy!
[Re: BossHawg]
#9218996
08/11/13 05:37 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Make shure the advance is not sticking or the plastic retainer hasn't broken causing the timing base not to move.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: '87 Johnson Makin Me Crazy!
[Re: BossHawg]
#9219323
08/11/13 07:50 PM
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Joined: Sep 2008
Posts: 121,182
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,182 |
you may have a power pack goin bad, lost one side on my 82 175 and it would only idle and run about 2000 rpm before trying to die, back to idle and it was fine.
" Hop, set the hook"!
hopalong 99,999
TexDawg 99,999
FJB! not my president by a long shot!
lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
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Re: '87 Johnson Makin Me Crazy!
[Re: gary purdy]
#9220888
08/12/13 11:31 AM
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Joined: Jun 2009
Posts: 1,255
BossHawg
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 1,255 |
Make shure the advance is not sticking or the plastic retainer hasn't broken causing the timing base not to move. Thanx- Will check that-
Texan By Birth & East Texan By Choice
Sam Rayburn On Weekends----
USMC '67 -'70 Viet Nam Vet
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Re: '87 Johnson Makin Me Crazy!
[Re: hopalong]
#9220889
08/12/13 11:32 AM
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Joined: Jun 2009
Posts: 1,255
BossHawg
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 1,255 |
you may have a power pack goin bad, lost one side on my 82 175 and it would only idle and run about 2000 rpm before trying to die, back to idle and it was fine.
Anyway to check without "special" tools?
Texan By Birth & East Texan By Choice
Sam Rayburn On Weekends----
USMC '67 -'70 Viet Nam Vet
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Re: '87 Johnson Makin Me Crazy!
[Re: BossHawg]
#9221824
08/12/13 05:36 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
A spark tester. Stick your little finger in the sparkplug boot and if it shocks you. NO not really or. Remove one sparkplug wire at a time while running check all for spark by using a phillips screw driver stuck in the boot holding the metal of the screw driver close to metal while motor turning over.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: '87 Johnson Makin Me Crazy!
[Re: gary purdy]
#9222191
08/12/13 07:42 PM
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Joined: Jun 2009
Posts: 1,255
BossHawg
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2009
Posts: 1,255 |
A spark tester. Stick your little finger in the sparkplug boot and if it shocks you. NO not really or. Remove one sparkplug wire at a time while running check all for spark by using a phillips screw driver stuck in the boot holding the metal of the screw driver close to metal while motor turning over. Thanks-- Done the "by hand" on a car or two- not fun 
Texan By Birth & East Texan By Choice
Sam Rayburn On Weekends----
USMC '67 -'70 Viet Nam Vet
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