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Mercury sport jet XR 120 no spark on one cylinder

A

Ajatruck

Member
Messages
1
Reaction score
0
Points
10
Boat Make
SeaRay
Year
1996
Boat Model
Other
Boat Length
17
Hi there everyone. I have a 97 Sea Ray sea rayder F-16 with a Mercury sport jet XR 120 I picked up last fall. I rebuilt the carburetors replace all fuel lines compression is excellent in all four cylinders but I don't have spark on cylinder number 3. But if I switch wires between two coils I get spark on cylinder 3 does anybody have any ideas the point me in the right direction. Thanks so much in advance
 
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