2013 Merc 115 FI will not start

[herperg]

This is on a 2013 Harris Pontoon boat. Have been using all summer without a issue. Go to start today and will crank with no problem but will not start. Where should I start looking? Thanks in advance.

 

[Faztbullet]

Kill tether

 

[herperg]

Kill tether

Have manipulated the kill tether with no luck.

 

[Faztbullet]

Check to see if fuel to vapor separator and high pressure fuel pump come on when key cycled. Check onboard engine fuses.

 

[herperg]

Check to see if fuel to vapor separator and high pressure fuel pump come on when key cycled. Check onboard engine fuses.

Thanks for the tips.
I’ll ck today

 

[CaptnKingfisher]

Good to have a spark tester in the toolbox. Then we can determine whether we're chasing fuel issues or ignition circuit issues. Checking Killswitch and fuses are good places to start. Followed by faztbullets advice and clean the fuel filter. Try dripping some good fuel into the carb and see if it'll start for a second on that

 

[QBhoy]

Battery. These new things won’t even try to power up the ignition and sensor systems when you’re cranking…unless the battery is tip top. Despite the cranking seemingly healthy