Spark Plug Gap

montara24d · Jan 7, 2016

Where can I find the correct spark plug gap for a 1977 Johnson Mod#25E77S
Thanks, John

kbait · Jan 7, 2016

.030"
Champion QL77JC4

Vic.S · Jan 8, 2016

montara24d said:
Where can I find the correct spark plug gap for a 1977 Johnson Mod#25E77S
Thanks, John

what kbait says
or to answer your actual question, "Where can I find the correct spark plug gap for a 1977 Johnson Mod#25E77S?"

http://continuouswave.com/whaler/reference/BRP/SparkPlugChart2008.pdf

fhhuber · Jan 8, 2016

And getting that correct plug matters.... a lot.
There is no substitute.