June 3, 1960
Bulletin No. SB-786
SUBJECT: AUTO-LITE SPARK PLUGS
After an extensive testing program, Auto-Lite has developed a new spark
plug specifically tailored to suit the requirements of our high output
engines. This spark plug is designated as Auto-Lite A21X.
Although originally developed for use in the higher horsepower engines,
the A21X plug is also suitable for use in all our engines from 3 H.P.
through 75 H.P.
This spark plug is now, or very soon will be, available from your
supplier. It will appear as standard equipment on new engines of all
sizes.
Auto-Lite A21X - Recommended spark plug for all engines - particularly
35 - 40 - 50 - 75 H.P.
JOHNSON MOTORS
W. W. DeWees
W. W. DeWees
Service Department
WWD:eb
NOTE: This bulletin does not cancel any previous bulletin concerning
spark plug recommendations.
POST ON YOUR MISCELLANEOUS INDEX.