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    115 L6 Mercury suddenly stopped

    The motor is 1977 115 hp, in line 6 cylinder, with distributor. Last week, I tested the motor at home before heading to the bay. Start easily. But at the ramp, the motor is very hard to start. After start the motor, the boat went out of the ramp site and the motor stopped suddenly without any...
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    1977 inline 6 1150 timing light issue

    I am trying to set up the timing and sync of the motor. When I hook up the timing light with #1 cylinder. I got 4 BTDC for primary pick up. 20 BTDC for max advance. And I initially set the idle at 1 BTDC. Ok, then I more the timing light with all the other cylinders. And I found out the flash...
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    1977 Mercury 115 Switch Box Troubleshooting

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    1977 Mercury 115 Switch Box Troubleshooting

    The outboard motor I got has no ignition for all cylinder. I did the following test. 1. I first take off the switch box and connect the switch following attached test diagram. Jumper the red and white with 12 v. Then jumper the brown and white. There is good fire between the high tension lead...
  5. T

    1977 Mercury 115 Switch Box Troubleshooting

    The outboard motor I got has no ignition for all cylinder. I did the following test. 1. I first take off the switch box and connect the switch following attached test diagram. Jumper the red and white with 12 v. Then jumper the brown and white. There is good fire between the high tension lead...
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