When you change the oil put in 0.53 qt. (0.5) L
The Baja Heat mini bike has a 200cc 6.5 Hp size engine.
Homelite
gas
Castroil
A 2.8 = 97cc
monsterscooter parts has them on the internet for $42
It's not easy to do.
Buy a new one.
Go towww.bajamotorsports.net for complete owners manual.
Ok you don't have to take the govenor off you just need to look under the gas tank and find a silver bar..... (this is wat i did) i tied a string to it and pulled it IN and now I go 15mph + but never ever ever make it go all the way
http://jleibovitch.tripod.com/id247.htm
To way to fix that ... eiter change the oil or your ckoke may be broken I have the same bike and that was the way i fixed it.