SPARK PLUGS

2-STROKE

Spark-Plug-2-Stroke

MODEL

STOCK NUMBER

2.5

A23-BPR6HS-10

3.3

A23-BPR6HS-10

4

A23-BP7HS-10

5

A23-BP7HS-10

6

A23-BP8HN-10

8

A23-BP8HN-10

9.9

A23-BP8HS-15

10 MARATHON

A23-BP8HS-15

10 MAG

A23-BP8HS-15

W15

A23-BP8HN-10

20

A23-BP8HN-10

20 JET

A23-BP8HN-10

25

A23-BP8HN-10

25 MARATHON

A23-BP8HN-10

40

A23-BUHW-2

50

A23-BP8HN-10

55 MARATHON

A23-BP8HN-10

45 JET

A23-BP8HN-10

60

A23-BP8HN-10

60 MARATHON

A23-BP8HN-10

60 BIGFOOT

A23-BP8HN-10

75

A23-BUHW-2

75 MARATHON

A23-BUHW-2

65 JET

A23-BUHW-2

90

A23-BUHW-2

100

A23-BP8HN-10

80 JET

A23-BP8HN-10

115

A23-BP8HN-10

125

A23-BP8HN-10

135

A23-BU8H

105 JET

A23-BU8H

150 MAG III

A23-BU8H

150 EFI

A23-BU8H

150 SUPER MAG EFI

A23-BU8H

175

A23-BU8H

175 EFI

A23-BU8H

140 JET

A23-BU8H

200

A23-BU8H

200 EFI

A23-BU8H

200 SUPER MAGNUM

A23-BU8H

225 SUPER MAGNUM

A23-BU8H

200 WORK/225 3 LITRE

A23-BPZ8H-N-10

225 EFI 3 LITRE

33-941

250 EFI 3 LITRE

33-941

NOTE !!!!! ALL "2002" AND NEWER V6 EFI MODELS FITTED WITH 555ECM MUST USE A23-BPZ8HS-10
NOTE !!!!! ALL BP8H-N-10 CAN BE CHANGED TO BPZ8HS-10 (MUST CHANGE ALL SIX PLUGS)
NOTE !!!!! IT IS IMPORTANT TO USE FACTORY RECOMMENDED SPARK PLUGS, AS PER THE
MERCURY WORKSHOP MANUAL TO ENSURE OPTIMUM PERFORMANCE, ECONOMY,
AND RELIABILITY

SPARK PLUGS

Spark-Plug-4-Stroke

4-STROKE, OPTIMAX & VERADO

MODEL

STOCK NUMBER

4 FOUR-STROKE

A23-DCPR6E

5 FOUR-STROKE

A23-DCPR6E

8 FOUR-STROKE

A23-DCPR6E

9.9 FOUR-STROKE

A23-DCPR6E

25 FOUR-STROKE

A23-DPR6EA-9

50 FOUR-STROKE

A23-DPR6EA-9

60 FOUR-STROKE

A23-DPR6EA-9

60 EFI FOUR STROKE

A23-RA8HC (33-883323001)

75 FOUR -STROKE

A23-LFR5A-11 (33-859495Q)

90 FOUR-STROKE

A23-LFR5A-11 (33-859495Q)

115 EFI FOUR STROKE

A23-LFR6A-11 (33-881284)

135 OPTIMAX

33-889597Q (IZFR5G)

150 OPTIMAX

33-889597Q (IZFR5G)

200 OPTIMAX

33-889597Q (IZFR5G)

225 OPTIMAX

33-889597Q (IZFR5G)

225 OPTIMAX PRO XS

33-843220001 (IZFR6J)

250 OPTIMAX PRO XS

33-843220001 (IZFR6J)

300 OPTIMAX PRO XS

33-8M0009927 (IZFR7M)

VERADO 135 THROUGH 200 L4

33-889246Q39

VERADO 200 THROUGH 300 L6

A23-ILFR6G (33-889246039)

NOTE !!!!!  PZFRSF-11 HAS BEEN SUPERSEDED TO IZFR5G FOR ALL 2.5 AND 3.0l OPTIMAX ENGINES 115 TO 225 SER NUMBER OG590000 AND UP

SPARK PLUGS

MERCRUISER

MODEL

STOCK NUMBER

4.3 MPI

33-8M2018369 (NGK ITR4A15)

5.0 MPI

33-8M2018369 (NGK ITR4A15)

350 MPI

33-8M2018369 (NGK ITR4A15)

496

33-863622001 (AC 41-983)