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Spark Gap Tester 91-63998A1 Don't Miss Out
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Spark Gap Tester 91-63998A1 Don’t Miss Out

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SKU: SK0027642 Category:
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Spark Gap Tester 91-63998A1

Provides a visual indication of spark/coil efficiency.

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NOTICE: Any images shown are representational ONLY and do not necessarily depict the actual part or included items in a particular part or kit. Mercury has been known to remove items depicted in product images such as screws or gaskets from kits they make without notification. For any product content, fitment or application questions on this part please call Mercury Product Support at 920-929-5040.

Additonal Info On This Product:

Applications Where This Item Is Used:

4/5 HP – 4 (2-STROKE) 200/225/250 (3.0L) SEAPRO/MARATHON EFI – 3.0L EFI MARATHON
200/225/250/200 PRO XS (3.0L)(MECHANICAL) – 225 (DFI) 3.0L 20/25/JET 20 SEAPRO/MARATHON 15XD SUPER 15/JET 20) (2-STROKE) – 20 (2 CYL.)
XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 – 10 SEA PRO 8/9.9/13.5/15 (2-STROKE) – 8
135/150/175/200 XR6 MAGNUM III 105-140 JET – XR-6 OUTBOARDS SEC G MISCELLANEOUS PARTS MANUAL – Exhaust / Cooling Systems and Extension Kits
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – V-135 6/8/SAILMATE 9.9/SAILPOWER 15 HP – 8
200/225/250 (3.0L) SEAPRO/MARATHON EFI – 225 (3.0L EFI) 2/2.5/3.3HP 2-STROKE – 3.3
25 (4-STROKE) – 25 (4-STROKE) OUTBOARDS SEC G MISCELLANEOUS PARTS MANUAL – Instruments-Gauges and Components
OUTBOARDS SEC G MISCELLANEOUS PARTS MANUAL – Trim / Tilt / Lift Systems and Components 135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – V-140 (INTERNATIONAL)
40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE – 40 ITALY (4-STROKE) 4/5/6 4-STROKE – 6 (4-STROKE)
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) – V-175 10/15 SEAPRO/MARATHON-10/15 VIKING (2-STROKE) – 10 SEA PRO
175 XR2 JET DRIVE – 175XR2 JET DRIVE (PUMP) 40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE – 45 BODENSEE (4-STROKE)
200/225 (3.0L DFI) – 225 (DFI) 2/2.5/3.3 HP 2-STROKE – 3.3
135/150/175 DFI (2.5L) – V-175 DFI (2.5L) 4/5/6 4-STROKE – 5 (4-STROKE)
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) – V-150 4/5HP 2-STROKE – 5 (2-STROKE)
6/8/9.9/15 HP – 8 40/50 (3 CYLINDER) 2-STROKE – 50 (3 CYL.)
200/225 DFI (3.0L) – 225 (DFI) 3.0L 200/225/250 (3.0L) SEAPRO/MARATHON EFI – 225 (3.0L EFI) SEAPRO
40/50 HP JET 30 (3 CYL.) – 40 (3 CYL.) 8/9.9/13.5/15 (2-STROKE) – 6
250 EFI LONG (3.0L) – 250 LONG (3.0L)(EFI) XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 – 10 MAGNUM
4/5 HP – 5 (2-STROKE) XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 – 10 MARATHON
4/5/6 4-STROKE – 4 (4-STROKE) XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 – XR10
150/175/200 EFI – V-175 (EFI) 20/25/JET 20 SEAPRO/MARATHON 15XD SUPER 15/JET 20) (2-STROKE) – 25, 25 SEA PRO, SUPER 15 (2 CYL.)
6/8/SAILMATE 9.9/SAILPOWER 15 HP – 6 175 PROXS (2.5L) – 175 PROXS (2.5L)
200/225 DFI (3.0L)(DTS) – 225 (3.0L-DFI)(DTS) 135/150/175/200 XR6 MAGNUM III 105-140 JET – MAGNUM III
200/225 (3.0L DFI) – 200 (DFI) 200/225/250 (3.0L) SEAPRO/MARATHON EFI – 3.0L EFI SEAPRO
6/8/SAILMATE 9.9/SAILPOWER 15 HP – 15 XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 – XR10
250XB (3.0L EFI) – 250XB (3.0L EFI) 55/60/45 JET/60 BIGFOOT (2-STROKE) – 45 JET
75/90 HP 65 JET (3 CYLINDER) – 65 JET 210 CARB M2 JET DRIVE – 210 CARB M2 JET DRIVE (PUMP)
135/150/175 DFI (2.5L) – 110 Jet (2.5L) 30/40 HP – 30 (2 CYL.)
200/225/250/200 PRO XS (3.0L)(MECHANICAL) – 200 PRO XS (DFI) 3.0L 115/135/150 DFI (2.5L) – V-135 DFI (2.5L)
225 AND 225 SEAPRO/MARATHON (3.0L CARB) – 225 SEAPRO (3.0L CARB) 75/90 HP 65 JET (3 CYLINDER) – 65 JET (3 CYL.)
40/50 JET 30 (3 CYLINDER) 2-STROKE – 30 JET (3 CYL.) XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 – 15 MARATHON
2.5/3 HP(NON-SHIFT) – 2.5 2/2.5/3.3HP 2-STROKE – 2
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) – XR-6 210 CARB M2 JET DRIVE – 210 CARB M2 JET DRIVE (POWERHEAD)
135/150/175/200 XR6 MAGNUM III 105-140 JET – V-175 150 PRO XS (2.5L) – 150 Pro XS (2.5L)
3.3 HP – 3.3 200/225 DFI (3.0L) – 225 (DFI)
OUTBOARDS SEC G MISCELLANEOUS PARTS MANUAL – Electrical 200/225 (3.0L)(MECHANICAL) – 225 (DFI) 3.0L
135/150/175/200 XR6 MAGNUM III 105-140 JET – V-150 100/115/125 HP 80 JET (4 CYLINDER) – 80 JET
MERCRUISER SEC G MISCELLANEOUS – Exhaust / Cooling Systems and Extension Kits 20/25/JET 20/SUPER 15/15XD/25 SEAPRO/MARATHON 2 CYLINDER – 20 (2 CYL.)
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – XR-6 10/15 SEAPRO/MARATHON-10/15 VIKING (2-STROKE) – 10 VIKING
175XR2 JET DRIVE – 175XR2 JET DRIVE (PUMP) 20/25/JET 20 – 20/25 SEAPRO/MARATHON (2-STROKE) – 20 (2 CYL.)
6/8/9.9/15 HP – 6 XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 – 10 MARATHON
40/50 JET 30 (3 CYLINDER) 2-STROKE – 40 (3 CYL.) 135/150/175/200 XR6 MAGNUM III 105-140 JET – 140 JET
20/25/JET 20 SEAPRO/MARATHON 15XD SUPER 15/JET 20) (2-STROKE) – 15 MARATHON XD 135/150/175/200 XR6 MAGNUM III 105-140 JET – V-200
8/9.9/13.5/15 (2-STROKE) – 15 225/250 3.0L EFI – 250 (3.0L EFI)
8 BODENSEE 4-STROKE – 8 (BODENSEE) 4-STROKE (International) 135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – MAGNUM III
20/25/JET 20/SUPER 15/15XD/25 SEAPRO/MARATHON 2 CYLINDER – 25, 25 SEA PRO, SUPER 15 (2 CYL.) XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 – 10 SEA PRO
40/50 (3 CYLINDER) 2-STROKE – 40 (3 CYL.) 150/175/200 EFI (2.5L) – V-150 EFI (2.5L)
4/5/6 4-STROKE – 5 (4-STROKE) JCI 225/250 EFI (3.0L) – 250 (3.0L EFI)
55/60/45 JET/60 BIGFOOT (2-STROKE) – 55 (3 CYL.) 55/60 JET 40/45 (3 CYLINDER) – 55 (3 CYL.)
20/25/JET 20 SEAPRO/MARATHON 15XD SUPER 15/JET 20) (2-STROKE) – 20 JET XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 – 15 SEA PRO
6/8/9.9/15 HP – 15 100/115/125 HP 80 JET (4 CYLINDER) – 100 (4 CYL.)
200/225/250 (3.0L) EFI – 250 (3.0L EFI) 55/60/45 JET/60 BIGFOOT (2-STROKE) – 60 (3 CYL.) BIGFOOT
55/60 JET 40/45 (3 CYLINDER) – 60 (3 CYL.) BIGFOOT 200/225 DFI (3.0L) – 200 (DFI)
20/25/JET 20/SUPER 15/15XD/25 SEAPRO/MARATHON 2 CYLINDER – 15 SEA PRO (XD) 2/2.5/3.5 4-STROKE – 3.5 (4-STROKE) Carb JCI
55/60 JET 40 (3 CYLINDER) – 55 (3 CYL.) 10/15 SEAPRO/MARATHON-10/15 VIKING (2-STROKE) – 10 MARATHON
30/40 (2 CYLINDER) 2-STROKE – 30 (2 CYL.) 40/50 /45 BODENSEE/50 BIGFOOT 4-STROKE – 40 (4-STROKE)
200 OPTIMAX V6 DFI – 200 PRO XS (DFI) 3.0L 210 CARB JET DRIVE – 210 CARB JET DRIVE (POWERHEAD)
135/150/175/200 XR6 MAGNUM III 105-140 JET – 105 JET MERCRUISER SEC G MISCELLANEOUS – Miscellaneous
100/115/125 HP 80 JET (4 CYLINDER) – 115 (4 CYL.) 40/50 /45 BODENSEE/50 BIGFOOT 4-STROKE – 45 BODENSEE (4-STROKE)
20/25/JET 20 – 20/25 SEAPRO/MARATHON (2-STROKE) – 20 JET 20/25/JET 20 – 20/25 SEAPRO/MARATHON (2-STROKE) – 25 (2 CYL.)
135/150 DFI (2.5L) – V-135 DFI (2.5L) XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 – 10 VIKING
20/25/JET 20/SUPER 15/15XD/25 SEAPRO/MARATHON 2 CYLINDER – 15 MARATHON XD 75/90 HP 65 JET (3 CYLINDER) – 75 (3 CYL.)
225/225 SEAPRO/MARATHON (3.0L) CARB – 225 MARATHON (3.0L CARB) 135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – 140 JET
55/60 JET 40 (3 CYLINDER) – 60 (3 CYL.) 20/25/JET 20 SEAPRO/MARATHON 15XD SUPER 15/JET 20) (2-STROKE) – 25, 25 MARATHON, SUPER 15 (2 CYL.)
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) – 140 JET 2/2.5/3.5 4-STROKE – 2.5 (4-STROKE) Carb
20/25/JET 20/SUPER 15/15XD/25 SEAPRO/MARATHON 2 CYLINDER – 20 JET 2.5/3 HP(NON-SHIFT) – 3
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) – MAGNUM III 20/25/JET 20 SEAPRO/MARATHON 15XD SUPER 15/JET 20) (2-STROKE) – 15 SEA PRO (XD)
200/225/250/200 PRO XS (3.0L)(MECHANICAL) – 250 (DFI) 3.0L 225 AND 225 SEAPRO/MARATHON (3.0L CARB) – 225 (3.0L CARB)
40/50 /45 BODENSEE/50 BIGFOOT 4-STROKE – 50 BIGFOOT (4-STROKE) 115/125 HP 80 JET (4 CYLINDER) – 80 JET
75/90 HP 65 JET (3 CYLINDER) – 90 (3 CYL.) FORCE 25HP – 25 H.P. (1997)
55/60 JET 40 (3 CYLINDER) – 40 JET 135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – V-200
210 CARB JET DRIVE – 210 CARB JET DRIVE (PUMP) 6/8/SAILMATE 9.9/SAILPOWER 15 HP – 9.9
2/2.5/3.3 HP 2-STROKE – 2.5 40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE – 50 BIGFOOT (4-STROKE)
200/225/250 (3.0L) SEAPRO/MARATHON EFI – 200 (3.0L EFI) 40/50 HP JET 30 (3 CYL.) – 30 JET (3 CYL.)
115/125 HP 80 JET (4 CYLINDER) – 115 (4 CYL.) 6/8/9.9/15 HP – 9.9
55/60 JET 40/45 (3 CYLINDER) – 40 JET 150/175/200 EFI – V-150 (EFI)
2/2.5/3.3HP 2-STROKE – 2.5 XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 – 10 MAGNUM
55/60 JET 40/45 (3 CYLINDER) – 45 JET FORCE 25 HP – 25 H.P. (1996)
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) – V-150 8/9.9/13.5/15 (2-STROKE) – 9.9
200/225/250 (3.0L) SEAPRO/MARATHON EFI – 250 (3.0L EFI) 135/150/175/200 XR6/MAGNUM III/140 JET (CARB) – V-200
150/200 EFI (2.5L) – V-150 EFI (2.5L) 150/200 EFI (2.5L) – V-150 EFI (2.5L)

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