1976 Mecury 850 no fire

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Darron Howell

Recruit
Joined
May 2, 2010
Messages
3
I have an 1976 Mecury 850 (85 HP) engune, four cylinders. I am not getting any spark. Engine turns over great. Don't know much about the engine and I do not have a manual. Could use a manual and what compontents could be causing my problem? Put in new wires, igintion coil and still nothing. Help!! Please!
 
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Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,158
Re: 1976 Mecury 850 no fire

If that is a distributor ignition motor, both the red and white wires on the starbaord side of the switchbox need +12VDC to create spark. Get on the CDI Electronics website for troubleshooting the ign system.
 
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