What size 4 stroke dirt bike would greatly vary your top speed. A 125 4 stroke will top out around 48-50 mph while a Honda XR 650 4 stroke top speed is just a bit over 100 mph.
Two strokes can accelerate faster but it depends on engine size
KTM!!!
no
CRF 150 R
Yamaha TTR 125
cr 80 is a two stroke. crf 80 is a four stroke.
that engine code is not a four stroke, its 2 stroke 80cc
it smokes out the exhaust...
A street legal dirt bike is any dirt bike that has a four stroke motor, head lights, brake lights, turning signals, a spark arrestor in the silencer, and street legal on-off road tires.
is the question being answered?
i would say i two stroke because two strokes are much easier to fix, there faster and better.
More than likely you have a exhaust leak.Check the headpipe seal