Laser L4-1997cc 20L DOHC (1990) Spark Plug Manual Revision
Spark Plug: All Technical Service Bulletins
Spark Plugs - Manual Revision
Models
1990 BD Body
Subject
Service Manual Revision - Spark Plugs
Index
MISCELLANEOUS
Date
October 30, 1989
No.
26-27-89
(C26-23-9)
P-3933
BODY CODE LEGEND
BD - LASER
SERVICE MANUAL REVISION
The spark plug application number and the spark plug gap have been revised for both turbo and non-turbo engines. The correct application and gap are
illustrated in the following chart. Please make these corrections in the appropriate service manual.
Turbo
Non-Turbo
NGK
BPR6ES
BPR6ES-11
Nippondenso
W20EPR
W20EPR11
Champion
RN9YC
RN9YC4
Spark Plug Gap
.028-.031 in.
.039-.043 in.
(All Brands)
0.7-0.8 mm
1.0-1.1 mm
Publication
Service Manual
Number
Pages
1990 Laser
81-270-0175
00-07
1990 Laser
81-270-0176
08-159
08-160 08-168
1990 Laser/Talon
81-270-0501
00-08
1990 Laser/Talon
81-270-0500
08-148
08-149 08-157