1988 Sea Ray 17' 100 hp ob no spark

[taggers59]

It turns over good but i get no spark, were would i find the lanyard switch?
it ran great last season.
help
taggers59:

 

[joeb1300]

Re: 1988 Sea Ray 17' 100 hp ob no spark

I have the same motor. I believe that it runs on two cyls. till 3000 rpms .you should only have spark in two out of 4 cyls. i'm having a hell of a time getting mine to run right. What is your boat like out of the hole and what is the max rpms??