Login
See us on:
Visit CP on Facebook Visit CP on Instagram Visit CP on YouTube
Is your boat in the gallery?
Image Gallery  
Instructions & Guides:
Instructions  
Find Parts by Mercury Model:
OEM Part Finder  
What's popular today?
Popular Items  
What are you looking for Today?

Need Help? Call Us:

1-800-225-9871

Outside the USA? Call 707-585-9871

Portable Timing Light 91-99379 

Portable Timing Light 91-99379

Checks the ignition timing, powered by two D cell batteries.

Don't know if this part is right for your application? Use our handy Mercury Replacement Parts Finder Tool to check. Make sure you know your Model, Year and Serial Number.

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.

MSRP: $249.92
Your Price: $249.92
You Save: 0% off MSRP!

NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
ALL OEM Mercury parts may take up to 7-10 days to ship. All OEM Mercury parts are NON-RETURNABLE! Orders placed on all OEM Mercury parts are NON-REFUNDABLE! Please contact us with the part number and we can assist you with more accurate delivery time estimate.
I Understand the shipping and return terms above and would like to add to my cart. (Please Check Box)
Additonal Info On This Product:

Applications Where This Item Is Used:

200/225 DFI (3.0L) - 225 (DFI) 3.0L200 DFI JET DRIVE - 200 DFI M2 JET DRIVE (PUMP)
40/50 /45 BODENSEE/50 BIGFOOT 4-STROKE - 50 BIGFOOT (4-STROKE)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI MARATHON
40/50 (3 CYLINDER) 2-STROKE - 40 (3 CYL.)30/40 CARB 4-STROKE (3 CYLINDER) - 30 (4-STROKE)
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-150FORCE 75 HP - 75 H.P. (1997)
250 DFI AND 250 DFI M2 JET DRIVE - 250 DFI JET DRIVE (POWERHEAD)SPORT JET 120 XR2 - 120XR2 (JET DRIVE) 2000
40/50/60/JET 40 EFI - 4 CYLINDER 4-STROKE - 60 EFI (4 CYL.)(4-STROKE)175XR2 JET DRIVE - 175XR2 JET DRIVE (PUMP)
6/8/9.9/15 HP - 9.9XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 - 10 SEA PRO
200/225 DFI (3.0L) - 225 (DFI)SPORT JET 120 XR2 - 120XR2 (JET DRIVE) 1999
135/150/175/200 XR6 MAGNUM III 105-140 JET - V-150FORCE 90 HP - 90 H.P. (1996)
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - XR-68/9.9/13.5/15 (2-STROKE) - 9.9
200/225/250 (3.0L) EFI - 250 (3.0L EFI)SPORT JET 95 XR - 95XR (JET DRIVE) 1996
55/60 JET 40/45 (3 CYLINDER) - 55 (3 CYL.)135/150/175/200 XR6 MAGNUM III 105-140 JET - 105 JET
SPORT JET 120 XR2 - 120XR2 (POWERHEAD) 2000250 EFI LONG (3.0L) - 250 LONG (3.0L)(EFI)
100/115/125 HP 80 JET (4 CYLINDER) - 100 (4 CYL.)FORCE 120 HP - 120 H.P. (1997)
40/50/60/JET 40 EFI - 4 CYLINDER 4-STROKE - 40 EFI (4 CYL.)(4-STROKE)(JET)8/9.9/13.5/15 (2-STROKE) - 15
XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 - XR10FORCE 75 HP - 75 H.P. (1996)
240 EFI M2 JET DRIVE - 240 EFI M2 JET DRIVE (PUMP)40/50/60 (4 CYLINDER) CARB 4-STROKE - 60 (4-STROKE)(4 CYL.)
FORCE 25 HP - 25 H.P. (1996)55/60/45 JET/60 BIGFOOT (2-STROKE) - 45 JET
115/135/150 DFI (2.5L) - V-135 DFI (2.5L)210 CARB M2 JET DRIVE - 210 CARB M2 JET DRIVE (PUMP)
55/60 JET 40/45 (3 CYLINDER) - 60 (3 CYL.) BIGFOOT40/50 JET 30 (3 CYLINDER) 2-STROKE - 30 JET (3 CYL.)
210 CARB M2 JET DRIVE - 210 CARB M2 JET DRIVE (POWERHEAD)135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - XR-6
25 HP (3 CYL.)(INTERNATIONAL) - 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY)SPORT JET 120 XR - 120XR (JET DRIVE) 1997
6/8/9.9/15 HP - 15200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI SEAPRO
200/225 DFI (3.0L) - 200 (DFI)40/50 HP JET 30 (3 CYL.) - 30 JET (3 CYL.)
250XB (3.0L EFI) - 250XB (3.0L EFI)30/40 (2 CYLINDER) 2-STROKE - 30 (2 CYL.)
210 CARB JET DRIVE - 210 CARB JET DRIVE (POWERHEAD)6/8/SAILMATE 9.9/SAILPOWER 15 HP - 15
SPORT JET 120 XR - 120XR (JET DRIVE) 199655/60 JET 40 (3 CYLINDER) - 55 (3 CYL.)
30/40 EFI 4-STROKE (3 CYLINDER) - 40 EFI (3 CYL.)(4-STROKE)40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE - 45 BODENSEE (4-STROKE)
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 250 (3.0L EFI)55/60 JET 40/45 (3 CYLINDER) - 45 JET
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-20040/50 /45 BODENSEE/50 BIGFOOT 4-STROKE - 45 BODENSEE (4-STROKE)
XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 - 15 MARATHON200 OPTIMAX V6 DFI - 200 PRO XS (DFI) 3.0L
10/15 SEAPRO/MARATHON-10/15 VIKING (2-STROKE) - 10 VIKING135/150 DFI (2.5L) - V-135 DFI (2.5L)
SPORT JET 95 XR - 95XR (POWERHEAD) 199740/50 /45 BODENSEE/50 BIGFOOT 4-STROKE - 40 (4-STROKE)
225/250 EFI (3.0L) - 250 (3.0L EFI)115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)
150/175/200 EFI (2.5L) - V-150 EFI (2.5L)240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI M2 JET DRIVE (PUMP)
40/50 JET 30 (3 CYLINDER) 2-STROKE - 40 (3 CYL.)6/8/9.9/15 HP - 6
150/175/200 EFI - V-150 (EFI)135/150/175/200 XR6 MAGNUM III 105-140 JET - 140 JET
40 CARB 4-STROKE (3 CYLINDER) - 40 CARB (3 CYL.)(4-STROKE)4/5/6 4-STROKE - 5 (4-STROKE) JCI
30/40 HP - 30 (2 CYL.)SPORT JET 120 XR - 120XR (POWERHEAD) 1996
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - MAGNUM IIIXR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 - 10 MAGNUM
135/150/175/200 XR6 MAGNUM III 105-140 JET - V-200135/150/175 DFI (2.5L) - 110 Jet (2.5L)
55/60 JET 40/45 (3 CYLINDER) - 40 JETSPORT JET 95 XR - 95XR (JET DRIVE) 1997
SPORT JET 120 XR - 120XR (POWERHEAD) 199840 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE - 40 ITALY (4-STROKE)
200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 250 (DFI) 3.0L40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE - 50 BIGFOOT (4-STROKE)
175 PROXS (2.5L) - 175 PROXS (2.5L)XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 - 10 MARATHON
FORCE 75 HP (1998) - 75 H.P. (1998)40/50/60 EFI (4 CYLINDER) 4-STROKE - 60 EFI (4 CYL.)(4-STROKE)
FORCE 40/50 HP (1998-1999) - 40 H.P. (1998)55/60 JET 40 (3 CYLINDER) - 40 JET
4/5/6 4-STROKE - 5 (4-STROKE)40 EFI (3 CYLINDER) 4-STROKE - 40 EFI (3 CYL.)(4-STROKE)
SPORT JET 120 XR2 - 120XR2 (POWERHEAD) 1999135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-140 (INTERNATIONAL)
SPORT JET 120 XR - 120XR (JET DRIVE) 1998FORCE 120 HP (1998-1999) - 120 H.P. (1999)
75/90 HP 65 JET (3 CYLINDER) - 90 (3 CYL.)4/5/6 4-STROKE - 4 (4-STROKE)
150/175/200 EFI - V-175 (EFI)XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 - XR10
8/9.9/13.5/15 (2-STROKE) - 8135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-150
99/15 HP - 9.9 H.P. (1998)240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI JET DRIVE (POWERHEAD)
6/8/9.9/15 HP - 8135/150/175/200 XR6 MAGNUM III 105-140 JET - MAGNUM III
100/115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)75/90 (4-STROKE) - 90 (4-STROKE)
55/60 JET 40 (3 CYLINDER) - 60 (3 CYL.)4/5 HP - 5 (2-STROKE)
200/225 (3.0L DFI) - 225 (DFI)135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - 140 JET
40/50 HP JET 30 (3 CYL.) - 40 (3 CYL.)4/5HP 2-STROKE - 5 (2-STROKE)
XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 - 10 SEA PROFORCE 120 HP - 120 H.P. (1996)
135/150/175/200 XR6 MAGNUM III 105-140 JET - XR-630/40 CARB 4-STROKE (3 CYLINDER) - 30 Carb (3 CYL.)(4-STROKE)
SPORT JET 120 XR - 120XR (POWERHEAD) 199775/90 HP 65 JET (3 CYLINDER) - 75 (3 CYL.)
200 DFI JET DRIVE - 200 DFI JET DRIVE (POWERHEAD)10/15 SEAPRO/MARATHON-10/15 VIKING (2-STROKE) - 10 SEA PRO
200 DFI M2 JET DRIVE - 200 DFI M2 JET DRIVE (PUMP)200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 225 (DFI) 3.0L
250 DFI AND 250 DFI M2 JET DRIVE - 250 DFI M2 JET DRIVE (PUMP)40/50 HP - 40 H.P. (1997)
FORCE 75/90 - 75 H.P. (1999)FORCE 90 HP (1998) - 90 H.P. (1998)
8/9.9/13.5/15 (2-STROKE) - 6XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 - 10 MAGNUM
30/40 EFI 4-STROKE (3 CYLINDER) - 30 EFI (3 CYL.)(4-STROKE)200 DFI M2 JET DRIVE - 200 DFI M2 JET DRIVE (POWERHEAD)
40/50 (3 CYLINDER) 2-STROKE - 50 (3 CYL.)135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - MAGNUM III
SPORT JET 95 XR - 95XR (POWERHEAD) 199625 HP (3 CYL.) LIGHTNING - 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY)
135/150/175 DFI (2.5L) - V-175 DFI (2.5L)135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-135
175 XR2 JET DRIVE - 175XR2 JET DRIVE (PUMP)115 EFI (4-STROKE) - 115 EFI (4-STROKE)
FORCE 25HP - 25 H.P. (1997)FORCE 120 HP (1998-1999) - 120 H.P. (1998)
FORMULA 60 - 4 CYLINDER 4-STROKE - Formula 60150/200 EFI (2.5L) - V-150 EFI (2.5L)
200/225 (3.0L)(MECHANICAL) - 225 (DFI) 3.0L135/150/175/200 XR6 MAGNUM III 105-140 JET - V-175
100/115/125 HP 80 JET (4 CYLINDER) - 80 JET40/50 HP - 40 H.P. (1996)
225/250 3.0L EFI - 250 (3.0L EFI)XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 - 15 SEA PRO
99/15 HP - 15 H.P. (1998)XR/MAGNUM 10/SEAPRO/MARATHON 10/SEAPRO/MARATHON 15 - 10 MARATHON
225 AND 225 SEAPRO/MARATHON (3.0L CARB) - 225 SEAPRO (3.0L CARB)75/90 HP 65 JET (3 CYLINDER) - 65 JET
150 PRO XS (2.5L) - 150 Pro XS (2.5L)200/225 (3.0L DFI) - 200 (DFI)
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-20075/90 HP 65 JET (3 CYLINDER) - 65 JET (3 CYL.)
75/90 (4-STROKE) - 75 (4-STROKE)(BODENSEE)10/15 SEAPRO/MARATHON-10/15 VIKING (2-STROKE) - 10 MARATHON
4/5 HP - 4 (2-STROKE)200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 200 PRO XS (DFI) 3.0L
55/60/45 JET/60 BIGFOOT (2-STROKE) - 60 (3 CYL.) BIGFOOTFORCE 40/50 HP (1998-1999) - 40 H.P. (1999)
55/60/45 JET/60 BIGFOOT (2-STROKE) - 55 (3 CYL.)6/8/SAILMATE 9.9/SAILPOWER 15 HP - 9.9
240 EFI JET DRIVE - 240 EFI JET DRIVE (POWERHEAD)240 EFI M2 JET DRIVE - 240 EFI M2 JET DRIVE (POWERHEAD)
4/5/6 4-STROKE - 6 (4-STROKE)115/125 HP 80 JET (4 CYLINDER) - 80 JET
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-175240 EFI JET DRIVE - 240 EFI JET DRIVE (PUMP)
FORCE 90 HP - 90 H.P. (1997)6/8/SAILMATE 9.9/SAILPOWER 15 HP - 6
225 AND 225 SEAPRO/MARATHON (3.0L CARB) - 225 (3.0L CARB)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 225 (3.0L EFI) SEAPRO
225/225 SEAPRO/MARATHON (3.0L) CARB - 225 MARATHON (3.0L CARB)210 CARB JET DRIVE - 210 CARB JET DRIVE (PUMP)
XR10 AND 10/SEAPRO/MARATHON 10/15/VIKING 10 - 10 VIKING200/225/250 (3.0L) SEAPRO/MARATHON EFI - 200 (3.0L EFI)
FORCE 25 HP (1998) - 25 H.P. (1998)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 225 (3.0L EFI)
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - 140 JET200 DFI JET DRIVE - 200 DFI JET DRIVE (PUMP)
200/225 DFI (3.0L)(DTS) - 225 (3.0L-DFI)(DTS)6/8/SAILMATE 9.9/SAILPOWER 15 HP - 8
Reviews On This Product:
(0.00)stars out of 5
# of Ratings: 0
Loading...