It means there is a problem. You should cease operation of your bike and bring it to a technician immediately.
Yamaha dirt bike
what is a 49cc dirt bike
restricted
if u mean a motocross bike a 500
your lookin at a new engine or engine work
Serious engine wear.
Cubic Centimetrs
Trail Ready
It means the transmission is failing. It is caused by gears grinding or rubbing.
It could be the reflection off of metal shavings that have worn off the gears.
It refers to the size of the inside of the engine cylinders- 250 cubic centimeters. Good sized engine for a dirt bike.
It means that somethings wrong with it.