1984 70hp Johnson, won't stay running

mattss

Cadet
Joined
Jan 5, 2014
Messages
6
Engine was running fine. Sat a week and then start and stop
Put new kill switch in same issue, start and stop. 2nd try ended no spark at plugs. Today I bypass kill switch, and start and stop. Difference is have spark to cylinders. Won't start
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
38,677
Bad stator ?----Sheared flywheel key.----Bad ignition switch ?----Shorted wiring ?----Fuel supply.----Water in the fuel.-----The list goes on.
 

mattss

Cadet
Joined
Jan 5, 2014
Messages
6
Engine turns over good, starts for 2-3 seconds. New gas, can hear choke clicking when you push key in.
Everything was fine, boat sat for 1 to 2 weeks, then problem began.
 

mattss

Cadet
Joined
Jan 5, 2014
Messages
6
Bad stator ?----Sheared flywheel key.----Bad ignition switch ?----Shorted wiring ?----Fuel supply.----Water in the fuel.-----The list goes on.
I put in new kill switch, started wouldn't stay running. Bypass kill switch, now have a good spark but won't stay running. After turning engine over plugs have gas on them
 

mattss

Cadet
Joined
Jan 5, 2014
Messages
6
I put in new kill switch, started wouldn't stay running. Bypass kill switch, now have a good spark but won't stay running. After turning engine over plugs have gas on them
Turning engine over it is pumping water,
 

Crosbyman

Vice Admiral
Joined
Nov 5, 2006
Messages
5,760
try pumping the fuel hose.... does choke open up properly linkages all ok ?
carbs cleaned ..yes no ???
 
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