I got a few questions about my 2013 sportsman 500 if someone can help me out. I’ve been doing some maintenance and also work to it to kinda water proof it. First . I extended my carb vent into the light pod and also put a screw in the drain hose. On the right side of the carb where it has the tube I’m good on but I noticed on the left side of the carb pretty much same spot as other side there is a port or hole there with nothing on it. Was wondering what it is and if it needs a vent tube on it??? It may be nothing but I’m just trying to keep water out. I’ve never seen anyone mention it but just curious.

Also this may be a dumb question but on the left side of motor kind of in front of the belt pipe joint . What is that round cylinder going into motor with little wires coming out. What is it and it’s purpose and anything need to be done to it for riding around water ??

I’ve extended the carb vent and also the vent on the crank case. Also put a screw in my carb drain hose. Any others I need to extend? The one from the rear is already run up but where is run to? Im not seeing it in the pod? What about fuel vent ?

I’ve changed oil and have tightend hose clamps. I’ve greased all fittings and have all my belt stuff sealed up and air box stuff and dielectric greased the electrical. Also making sure things are right and tight.Anything else I should look into? What about the pressure release slit on the hose? Will it pull in water? Could tape be put around it while around water then take it off or does it need to be just left alone?
Im not ready to snorkel yet . Will one day but need to do all this anyway.
Thanks