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Spark Plugs
SPARK PLUG TYPE
| Application |
NGK No. |
| B2200 |
| Carbureted |
BPR5ES or BPR6ES |
| PFI |
BPR5ES-11 or BPR6ES-11 |
| B2600i |
ZFR5F-11 or ZFR6F-11 |
| Miata |
BKR5E-11, BKR6E-11 or BKR7E-11 |
| MPV |
ZFR5F-11 or ZFR6F-11 |
| MX-3 |
BPR5ES-11 or BPR6ES-11 |
| MX-6 & 626 |
| 2.0L |
BKR5E-11 or BKR6E-11 |
| 2.5L |
ZFR5F-11 or ZFR6F-11 |
| Navajo |
|
| Protege DOHC |
BKR5E-11, BKR6E-11 or BKR7E-11 |
| Protege SOHC |
BKR5E-11 or BKR6E-11 |
| RX7 |
| Leading |
BUR7E-QP |
| Trailing |
BUR9E-QP |
| 323 |
| California |
BPR5ES-11 or BPR6ES-11 |
| Federal |
BKR5E-11 or BKR6E-11 |
| 929 |
BKR5EVX-11 or BKR6EVX-11 |
SPARK PLUG SPECIFICATIONS
| Application |
Gap: In. (mm) |
Torque: Ft. Lbs. (N.m) |
| B2200 (Carbureted) |
.031 (.80) |
13 (18) |
| Navajo |
.054 (1.4) |
13 (18) |
| RX7 |
.044-.066 (1.1-1.7) |
13 (18) |
| All Others |
.041 (1.0) |
13 (18) |
Courtesy of MAZDA MOTORS CORP.