Marine Engine (Inboard)

VOLVO-PENTA

AQ60F

Model Year Standard Plug Gap (mm)
W16FS-U 0.9

AQ80

Model Year Standard Plug Gap (mm)
W20S-U 0.7

AQ90

Model Year Standard Plug Gap (mm)
W20FS-U/TR20 0.7

AQ95, AQ95A

Model Year Standard Plug Gap (mm)
W20FP-U 0.7

AQ100

Model Year Standard Plug Gap (mm)
W20FP-U 0.7

AQ105A

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ110

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ115A, AQ115B

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ120A, AQ120B

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ125, AQ125A

Model Year Standard Plug Gap (mm)
W20EP-U 0.7

AQ130, -A, -B, -C, -D

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ140

Model Year Standard Plug Gap (mm)
W22EP-U 0.7

AQ140A

Model Year Standard Plug Gap (mm)
W20ES-U 0.7

AQ145, AQ145A

Model Year Standard Plug Gap (mm)
W20EP-U 0.8

AQ150, -A, -B

Model Year Standard Plug Gap (mm)
W20P-U 0.9

AQ155A

Model Year Standard Plug Gap (mm)
W20P-U 0.9

AQ165A

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ170, -A, -B, -C

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

AQ171 A, C

Model Year Standard Plug Gap (mm)
W20EPR-U 0.7

AQ175, AQ175A

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ180

Model Year Standard Plug Gap (mm)
W20S-U 0.7

AQ190A

Model Year Standard Plug Gap (mm)
MA20R-U 0.7

AQ200, -A, -B, -C, -D

Model Year Standard Plug Gap (mm)
T20PR-U 0.7

AQ205A

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ210A # 177315 on

Model Year Standard Plug Gap (mm)
T20PR-U 0.7

AQ210A to # 177314

Model Year Standard Plug Gap (mm)
W20S-U 0.7

AQ225, -A, -B, -C, -D

Model Year Standard Plug Gap (mm)
T20PR-U 0.7

AQ225 E, F

Model Year Standard Plug Gap (mm)
T20PR-U 0.7

AQ231A, B

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ240A

Model Year Standard Plug Gap (mm)
T20PR-U 0.7

AQ225A, AQ225B

Model Year Standard Plug Gap (mm)
T20PR-U 0.7

AQ255B, 280A

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ271A, B, C, D

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ260, AQ 260A

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ280A

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ290, AQ 290A

Model Year Standard Plug Gap (mm)
T20R-U 0.7

AQ311, A, B

Model Year Standard Plug Gap (mm)
T20R-U 0.9

430, 531

Model Year Standard Plug Gap (mm)
T20R-U 0.9

500A, 501A

Model Year Standard Plug Gap (mm)
T20R-U 0.9

570A, 571A, 572, 740A

Model Year Standard Plug Gap (mm)
T20R-U 0.9

B16A, B16C

Model Year Standard Plug Gap (mm)
W20S-U 0.7

B18A, B18C

Model Year Standard Plug Gap (mm)
W20FS-U/TR20 0.7

BB25

Model Year Standard Plug Gap (mm)
W20S-U 0.7

BB30B

Model Year Standard Plug Gap (mm)
W20FS-U/TR20 0.7

BB30F

Model Year Standard Plug Gap (mm)
W16FS-U 0.9

BB70

Model Year Standard Plug Gap (mm)
W20S-U 0.7

BB70 Sustained High Speed

Model Year Standard Plug Gap (mm)
W24S-U 0.7

BB100, BB100A

Model Year Standard Plug Gap (mm)
W20FS-U/TR20 0.7

BB115A, -B, -C

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

BB140

Model Year Standard Plug Gap (mm)
W20EP-U 0.9

BB140A

Model Year Standard Plug Gap (mm)
W24EP-U 0.7

BB145

Model Year Standard Plug Gap (mm)
W20EP-U 0.9

BB145C

Model Year Standard Plug Gap (mm)
W24EP-U 0.7

BB165A

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

BB170A, -B

Model Year Standard Plug Gap (mm)
W22FP-U 0.7

BB225

Model Year Standard Plug Gap (mm)
TR20-U 0.9

BB260, A, B, C

Model Year Standard Plug Gap (mm)
TR20-U 0.9

C2, C5, C10, C23

Model Year Standard Plug Gap (mm)
M17 0.7

4.3L GIPNCA (.460” Reach)

Model Year Standard Plug Gap (mm)
Duoprop Series T20PR-U 1.1

4.3L GIPNSA (.708” Reach)

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 1.1
Kerosene Engs T20EPR-U 1.1

5.0L FL

Model Year Standard Plug Gap (mm)
Duoprop Series T14PR-U 0.9
Kerosene Engs T14PR-U 0.9

5.0L GL Gen 1+

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 1.1
Kerosene Engs T20EPR-U 1.1

5.0L GI Gen 1+

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 1.1
Kerosene Engs T20EPR-U 1.1

5.7L Gi

Model Year Standard Plug Gap (mm)
Duoprop Series T20PR-U 1.1
Kerosene Engs T20PR-U 1.1

5.7L Gl

Model Year Standard Plug Gap (mm)
Duoprop Series T20R-U 1.1

5.7L Gli

Model Year Standard Plug Gap (mm)
Duoprop Series T20PR-U 1.1
Kerosene Engs T20PR-U 1.1

5.7L GS

Model Year Standard Plug Gap (mm)
Duoprop Series T20R-U 1.1
Kerosene Engs T20R-U 1.1

5.7L GS Gen 1+

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 1.1
Kerosene Engs T20EPR-U 1.1

5.7L Gsi Gen 1+

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 1.1
Kerosene Engs T20EPR-U 1.1

5.7L GXI

Model Year Standard Plug Gap (mm)
Duoprop Series VT16 1.5

5.8L FL

Model Year Standard Plug Gap (mm)
Duoprop Series T14PR-U 0.9
Kerosene Engs T14PR-U 0.9

5.8L Fsi

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 1.1

7.4L Gi,Gl

Model Year Standard Plug Gap (mm)
Duoprop Series T20R-U 1.1

7.4L Gi L29

Model Year Standard Plug Gap (mm)
Duoprop Series T20EPR-U 0.9
Kerosene Engs T20EPR-U 0.9

7.4L Gsi

Model Year Standard Plug Gap (mm)
Duoprop Series T20R-U 1.1

8.2L Gsi

Model Year Standard Plug Gap (mm)
Duoprop Series T20R-U 1.1

EC6, EC61

Model Year Standard Plug Gap (mm)
Duoprop Series M17 0.7

ED6, EF4

Model Year Standard Plug Gap (mm)
Duoprop Series W20S-U 0.7

F1, F11, F12, F12A

Model Year Standard Plug Gap (mm)
Duoprop Series M17 0.7

K1, K2, K11, K21, K22

Model Year Standard Plug Gap (mm)
Duoprop Series M17 0.7

L2, L4, L6, L41

Model Year Standard Plug Gap (mm)
Duoprop Series M17 0.7

MB2

Model Year Standard Plug Gap (mm)
Duoprop Series X16FSR-U 0.7

MB10, -A

Model Year Standard Plug Gap (mm)
Duoprop Series W20FP-U 0.7

MB16A

Model Year Standard Plug Gap (mm)
Duoprop Series W20S-U 0.7

MB18F

Model Year Standard Plug Gap (mm)
Duoprop Series W16FS-U 0.7

MB20A

Model Year Standard Plug Gap (mm)
Duoprop Series W20FP-U 0.7

MB20B, MB20C

Model Year Standard Plug Gap (mm)
Duoprop Series W14F-U 0.7

MB36A, MB36B

Model Year Standard Plug Gap (mm)
Duoprop Series W20S-U 0.7

MB50S

Model Year Standard Plug Gap (mm)
Duoprop Series X16FSR-U 0.7

MB100S

Model Year Standard Plug Gap (mm)
Duoprop Series W20FP-U 0.7

PZ-200 1/0

Model Year Standard Plug Gap (mm)
Duoprop Series T20R-U 0.9

AQ60F, BB30F, MB18F

Model Year Standard Plug Gap (mm)
Kerosene Engs W16FS-U 0.9

PJX Water Jet 4.3L Gi (.708 Reach)

Model Year Standard Plug Gap (mm)
Kerosene Engs T20EPR-U 1.1

4.3L GS (.708 Reach)

Model Year Standard Plug Gap (mm)
Kerosene Engs T20EPR-U 1.1

SX Cobra Series 3.0L GS

Model Year Standard Plug Gap (mm)
Kerosene Engs T20EPR-U 1.1

4.3L GIPNCA (.460”Reach)

Model Year Standard Plug Gap (mm)
Kerosene Engs T20PR-U 1.1

5.0L FI

Model Year Standard Plug Gap (mm)
Kerosene Engs T20EPR-U 0.9

5.7L GL

Model Year Standard Plug Gap (mm)
Kerosene Engs T20R-U 1.1

5.8L Fi, Fsi

Model Year Standard Plug Gap (mm)
Kerosene Engs T20EPR-U 1.1

7.4L Gi, Gl

Model Year Standard Plug Gap (mm)
Kerosene Engs T20R-U 1.1

5.7L Gxi

Model Year Standard Plug Gap (mm)
Inboard Series 2002 VT16 1.5

5.8L FL/HS1

Model Year Standard Plug Gap (mm)
Inboard Series T14PR-U 0.9

5.8L Fsi/Hs1

Model Year Standard Plug Gap (mm)
Inboard Series T20EPR-U 1.1

7.4L GI EFI

Model Year Standard Plug Gap (mm)
Inboard Series T20PR-U 1.1

7.4L GL, GSI

Model Year Standard Plug Gap (mm)
Inboard Series T20R-U 1.1

8.1L Gi/Gsi

Model Year Standard Plug Gap (mm)
Inboard Series 2002 T20R-U 1.1

8.2L GXI

Model Year Standard Plug Gap (mm)
Inboard Series 2002 VT16 1.5

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