Subaru Legacy 2003 Service Manual page 809

IGNITION
1. General Description
A: SPECIFICATIONS
Ignition coil and ignitor
assembly
Spark plug
GENERAL DESCRIPTION
Item
Model
Manufacturer
Primary coil resistance
Secondary coil resistance
Insulation resistance between primary terminal and
case
Type and manufacturer
Thread size
Spark gap
IG(H4SOw/oOBD)-2
Without catalytic con-
verter
With catalytic converter
mm
Without catalytic
converter mm (in)
With catalytic
converter mm (in)
Designation
FH0137
DIAMOND
0.73 Ω±10%
12.8 kΩ±15%
More than 100 MΩ
BKR6E .......... NGK
RC10YC4 .......... CHAMPION
BKR5E-11 .......... NGK (Alternate)
14, P = 1.25
0.7 — 0.8 (0.028 — 0.031)
1.0 — 1.1 (0.039 — 0.043)