Johnson Service Bulletin SB-856 - Radio Noise Suppression Kit #378700

June 28, 1961. Johnson Motors announced an accessory kit designed to suppress ignition and alternator radio interference on 75 H.P. alternator-equipped engines.

Johnson Motors Service Bulletin letterhead
June 28, 1961
Bulletin No. SB-856 Accessories
SUBJECT: Radio noise suppression kit #378700; 75 h.p. alternator V4A & V4AL-13 thru 13F
Radio noise suppression kit #378700 is now available for the subject 75 h.p. alternator equipped engines. This one kit suppresses both ignition and alternator noises, thus making it the only kit required on these engines.
Installation instructions are included with this kit. We again urge all dealers to study these instructions prior to proceeding with the installation.
The kit is available from your parts distributor at the list unit price of $65.00 which is in turn subject to the standard accessory discount. Price is subject to change without notice.
Inasmuch as the many calls and letters received from customers and dealers indicates there is a definite need for this suppression kit, we urge you to place your order with your parts distributor as soon as possible.
JOHNSON MOTORS
W. W. DeWees Service Department
WWD:eb
NOTE: Post on your V-75 index.

Historical reference

Johnson Motors identified radio noise suppression kit 378700 for the 75 H.P. alternator-equipped V4A and V4AL-13 through 13F engines. The bulletin listed a unit price of $65.00, subject to the standard accessory discount and change without notice.