Yolo queue can be hell when your team refuses to cooperate. This is where Master Yi shines. Master Yi can melt any character on his own after he hits level 6, so the main strategy here is to farm, split push and destroy anyone who comes back to defend on their own.

This guide is based on Cow Sep's (Diamond 1 in Korean server) build.
You can check out his Master Yi videos on his channel here: https://www.youtube.com/channel/UCgzC7SsCYSfGrVWoHQS5W8A

Start off at blue buff and as any jungler should do, ask for a leash and a ward at your red. Then proceed to wolves and use your potion. After wolves, use Meditate and clear Wight.

Then back and you should have enough for Madred's Razors. Teleport to the tier 2 tower on your red buff side and clear red.

From there, clear Golems -> Wraiths -> Wight -> Wolves -> Golems, etc. Don't forget to use Smite and Wuju Style when clearing the Golems, Wight and buffs, Meditate when your health falls below 50%, and use your trinket ward to prevent being counter-jungled.

When you reach over 1025 gold, back and buy Boots, Spirit Stone and switch your yellow trinket to the red one. At this point, your blue buff should be respawning. Clear blue buff and continue with your jungle path until your red buff respawns and then clear red.

At this point, you should be level 6 and your teleport should be up. Now, you should be constantly checking the lanes while continuing your jungle path to see if you can score a kill. Ask for deep wards for which you can teleport into and gank or countergank. If mid lane is at half health or lower, you can usually just walk into lane, ult, and grab a kill.

Continue jungling, push tier 1 towers when you successfully gank a lane, and clear dragon when your team has sufficient vision control over it.

Try to avoid large team fights and instead push another lane when you see the enemy team group up. Your team will likely be grouped up and defending when this happens. If your team gets initiated on, you should teleport in to clean up only if you know your team can win the fight if you are there or if you know you can score a kill and leave the scene safely. When entering a fight, rush in with ult and ghostblade (if you have it) and alpha strike to catch flashes/escape skills or to dodge CC or if it will win you the fight of course.

If the enemy team sends one person to shove back the lane you are pushing, back up a bit and hide in a bush. If they push to far, you should most likely be able to duel them and win, otherwise if they return to the lane they are pushing, come out of the bush and continue pushing the lane.

If the enemy team sends more than one person to try to gank you, you may need to back if you are unsure if you can escape safely.

Feral Flare wards are very essential to make your split pushing effective and to gain map control, for which you can clear objectives and get easy picks if the enemy team is out of position. If at any point your team scores an ace in the late game, you should be able to teleport to a pushed lane and end the game on your own.