A 420 is slot bigger and is slot faster and also more expensive
X1 is taller and little bigger but x7 is faster.
yh it is :) They make a 250cc ninja and a 400cc dirtbike. So it depends on what you own.
how fast does 250cc Orion dirt bike go
Dirt Bike or Street? Dirt Bike 250cc will be okay if you are beginner. It really goes by skill level. 4-Stroke motocross bike 250cc will be plenty. You will be able to jump everything. Street, you will outgrow it very quickly.
put a bigger engine in it!
250cc
THE BIKE HAS 250CC'S IT IS AN ENGINE SIZE. A BEGINNER BIKE.
Hard to do. Its oly 50 cc. Buy a bigger bike.
80mph
90 mph
To make an electric dirt bike go faster it is simplest to buy a motor that can support a bigger battery and then get a bigger battery. Now you should lighten it. Also, don't be cheap, buy a dirt bike with a gasoline or diesel engine.
bigger cyliders, bore out the engine, make it lighter