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Jan 23rd, 2013
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Merc 90 h.p. 3 cyl. 2009 #12791591
06/14/18 07:31 AM
06/14/18 07:31 AM
Joined: Jun 2017
Posts: 315
cedar hill tx.
sae Online content OP
Angler
sae  Online Content OP
Angler

Joined: Jun 2017
Posts: 315
cedar hill tx.
Just bought ,changed plugs ,champions, tpo rpm 4000 on a 18 ft pontoon.
Changed to nkg plugs top r.p.m. 2200?.
help please.

Re: Merc 90 h.p. 3 cyl. 2009 [Re: sae] #12792335
06/14/18 05:12 PM
06/14/18 05:12 PM
Joined: Jan 2005
Posts: 6,038
Marble Falls/Seadrift
P
Pat Goff Offline
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Pat Goff  Offline
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P

Joined: Jan 2005
Posts: 6,038
Marble Falls/Seadrift
You’re running on two cylinders. Recheck your plug wires.


Pat Goff
Marble Falls/Seadrift TX


Re: Merc 90 h.p. 3 cyl. 2009 [Re: sae] #12795018
06/17/18 09:37 AM
06/17/18 09:37 AM
Joined: Jun 2017
Posts: 315
cedar hill tx.
sae Online content OP
Angler
sae  Online Content OP
Angler

Joined: Jun 2017
Posts: 315
cedar hill tx.
Thank you Pat,did a compression test,no1 -zero!

Re: Merc 90 h.p. 3 cyl. 2009 [Re: sae] #12795038
06/17/18 10:02 AM
06/17/18 10:02 AM
Joined: Jan 2005
Posts: 6,038
Marble Falls/Seadrift
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Pat Goff Offline
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Pat Goff  Offline
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Joined: Jan 2005
Posts: 6,038
Marble Falls/Seadrift
Well that would sure do it right there, sorry to hear.


Pat Goff
Marble Falls/Seadrift TX


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