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  1. R

    NO SPARK AT #1 an 7 plug, engine will not start

    Hi, my name is David, my boat is a Thompson Daytona 250. Engine ser:# oc536754, model mcm 5.7 litre ,V8 Alpha one thunderbolt ignition things I have done thus for, which are; check tachometer lead, check terminal connection at distributor. new ignition sensor, an distributor cap, new ignition...
  2. R

    ignition ,no fire on # 1 plug

    please help, I have a Daytona 250 boat with a mercruiser 350 v8 thunderbolt ignition alpha one. no fire at # 1 plug, replace all plug an wires an coil, new distributor cap an new sensor also rotor an new ignition module. getting fire at all of the other plugs, will not start also have a new...
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