1977 25 hp evinrude spark plug gap - iboats Boating Forums

December 17th, 2003, 02:34 PM

tdr9499

Cadet

Join Date: Dec 2003

Location: conway sc 29527

Posts: 29

1977 25 hp evinrude spark plug gap

what is the correct gap and the best plug to run in the motor.

December 17th, 2003, 03:16 PM

bubbakat

Captain

Join Date: Oct 2002

Location: tenn

Posts: 3,111

Re: 1977 25 hp evinrude spark plug gap

CHAMPION---QL77JC4 OR QL82C GAP @ 30

use champion for these old johnsons and rudes were built to run on these plugs.

you can get these plugs at wal-mart

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