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Old 21-06-2011, 09:05   #1
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outboard woes HELP!!!!!!!

I have a 18 Nissan that runs like crap!!!!!! I have fought with it all cruising season. There have been more hands in it than a cheap prostitute. I have cleaned the carb a number of times,changed plugs twice, and it still misses at anything other than an idle. The one thing I did notice is that if I touch one of the plug wires it hits/SHOCKS me. Would this cause it to miss/misfire at anything other than an idle? Or does it sound more like a fuel/carb problem?
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Old 21-06-2011, 09:15   #2
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Re: outboard woes HELP!!!!!!!

sounds like ye may need a new plug wire-- definitely need another carb cleaning AND an external in line filter-- that will save ye a lot of time and trouble. i refuse to run an outboard withou tone of those-- keeps me on hte water when i have an outboard.
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Old 21-06-2011, 09:23   #3
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Re: outboard woes HELP!!!!!!!

could be the wire. They seldom go bad in cars now days but in the old days, engine miss at higher rpms was a sign of bad plugs or wires....
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Old 21-06-2011, 09:24   #4
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Re: outboard woes HELP!!!!!!!

Also make sure the fuel line fits tight at all fittings. As fuel lines get older they can get stiff/deformed/cracked and allow a small air leak.
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Old 21-06-2011, 09:28   #5
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Re: outboard woes HELP!!!!!!!

Quote:
Originally Posted by JusDreaming View Post
.....The one thing I did notice is that if I touch one of the plug wires it hits/SHOCKS me. Would this cause it to miss/misfire at anything other than an idle? Or does it sound more like a fuel/carb problem?
The plug wire is the likely culprit. Some will read past your saying that you "cleaned the carb a number of times"... you likely would have at least changed the problem....

Change the wire (you may find the coil pack will have to be changed to do so). There are a couple of things you can try (like replacing the cap, or putting the wire into a piece of hose split open)... these may or may not help.

Fix the wire, ignition problems can act just like fuel problems.
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Old 28-06-2011, 06:12   #6
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Re: outboard woes HELP!!!!!!!

it was in fact the coil assembly
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Old 28-06-2011, 08:23   #7
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Re: outboard woes HELP!!!!!!!

And another case solved by CF members.
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