If you know how to use them, manual chokes are to be preferred!
That goes for a LOT of stuff, btw!
Not sure who we've got in the Riverside area that can assist, but SOMEONE will stumble along who knows carbs.
Otherwise, we'll do it here, over the interwebz.
First thing you'll want to do is pull off the air cleaner so we can see what we're dealing with.
Got the aerosol can in hand?
Pop