95 Polaris sportsman 400 2 stroke

Ok I’m not sure if I’m posting in the right spot I’m new so idk anyways I just got this Polaris a couple days ago my first Polaris and I rode it a couple of days it never ideled because carb was flooding but a couple of days ago was riding it and it started losing power bogging really bad then shut off and has been hard to start every since so I let it sit over night not knowing what was wrong went to crank it next day it was hard to start got it started ran for about 1 minute starts bogging and shuts off again it’s like when it warms up somthing happens and it shuts off and can’t really get it started again so I was looking and noticed there was an oiler and I already premixed gas so I figured it was spark plug fouled took it out cleaned it made sure it was still firing put it in no change cleaned carb no change examined reeds they were good still no change it was also empty on oil so I have a leak but I filled it back up with oil and still no change there is no water in oil and water is still full I am so lost on what this is please someone help me