Evinrude 9.9hp 1986 no spark?

Steverob1983

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Aug 14, 2016
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17
Hi, I have been out all weekend with the engine and it was running great. Today however after a 40 minute run it died. There doesn't seem to be a spark at either spark plug when testing with a screwdriver into the end of the Ht lead and down to an earth.
Any help or advice would be much appreciated.

Thanks
 

oldboat1

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Apr 3, 2002
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9,612
emergency kill switch activated by mistake (little clip usually attached to the lanyard)?
 

Bosunsmate

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Apr 7, 2012
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6,135
pull the back wire with yellow stripe connector apart that goes to the powerpack. Then retry, if that fixes it then check for short in wiring or switches.
You will need to activate choke to kill engine with wire dsconnected
 

Steverob1983

Cadet
Joined
Aug 14, 2016
Messages
17
pull the back wire with yellow stripe connector apart that goes to the powerpack. Then retry, if that fixes it then check for short in wiring or switches.
You will need to activate choke to kill engine with wire dsconnected

The big connector with the 5 wires in it? It does have a black with yellow stripe but also has 4 other. Some of which go under the flywheel
 

Bosunsmate

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Apr 7, 2012
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6,135
Yes thats the one, just slide out the black wire with the yellow stripe, a little scewdriver is often whats needed
 

Chinewalker

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Aug 19, 2001
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8,902
And a shot of WD-40 to facilitate the pin coming out of the plug.

If the kill switch circuit is not the issue, I'd suspect either the pack or the trigger. Not likely to be the coils as both would not fail at the same time.
 
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