Black Plugs / what now ? - Wellcraft V20 Community

09-21-2010, 06:27 PM

wildtalk

Junior Member

Join Date: Jun 2010

Location: Wilmington, NC

Posts: 28

Black Plugs / what now ?

These plugs ( attached picture ) have less then 10 hours run time in a johnson 150 hp 1987. I had motor service just a month ago . I replaced them with spare set I had on standby. question is what do I need adjust ? Plug gap ? oil ? Oil Mix ( its an auto mix injection ) or change plugs type . They are Champion QL77JC4. Any and all help will be welcomed

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Plugs.jpg (43.5 KB, 19 views)

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