My 1990 Yamaha 9.9 2 stroke keeps fouling plugs. What causes that?
F fanofjohnwayne · I Love microskiff.com! Joined Jan 12, 2010 · 27 Posts Discussion Starter · #1 · Mar 2, 2010 Only show this user My 1990 Yamaha 9.9 2 stroke keeps fouling plugs. What causes that?
Brett · > PRO STAFF < Joined Jul 16, 2008 · 7,536 Posts #2 · Mar 2, 2010 Only show this user http://www.dansmc.com/spark_plugs/spark_plugs_catalog.html
noeettica · Registered Joined Sep 23, 2007 · 4,409 Posts #3 · Mar 2, 2010 Only show this user try different oils ... and only run Real fresh gas ... Less than a week old ... ask me how i Know LOL [smiley=fun_84.gif]
try different oils ... and only run Real fresh gas ... Less than a week old ... ask me how i Know LOL [smiley=fun_84.gif]
F Frank_Sebastian · Registered Joined Oct 15, 2007 · 786 Posts #4 · Mar 2, 2010 Only show this user If you are using a "hotter" plug try going back to the standard one recommended for your engine Best regards, Frank_S
If you are using a "hotter" plug try going back to the standard one recommended for your engine Best regards, Frank_S