what is the correct gap and the best plug to run in the motor.
T tdr9499 Cadet Joined Dec 16, 2003 Messages 29 Dec 17, 2003 #1 what is the correct gap and the best plug to run in the motor.
bubbakat Captain Joined Oct 29, 2002 Messages 3,110 Dec 17, 2003 #2 Re: 1977 25 hp evinrude spark plug gap CHAMPION---QL77JC4 OR QL82C GAP @ 30<br /><br />use champion for these old johnsons and rudes were built to run on these plugs.<br /> you can get these plugs at wal-mart
Re: 1977 25 hp evinrude spark plug gap CHAMPION---QL77JC4 OR QL82C GAP @ 30<br /><br />use champion for these old johnsons and rudes were built to run on these plugs.<br /> you can get these plugs at wal-mart
