Help

[PANDEMIC]

Ok it's me again...on the id tag it says 0.4 - 0.6 for the spark plug gap for a 150cc...is that correct and if not than what is the correct gap...And now for the BIG QUESTION...what is the correct way to break in an engine???? I've heard stop and go then go fast then slow and the one about ride it like u stole it...I'm really looking for the correct or at least the best way.. and one more thing...If anyone out there has a repair manual for the 157qmj if there is a page with all the torque specs could u please slip me a copy of that page