mixture ajustment

[minibikekid16]

my robin engine doesnt have a mixture ajustment screw on it.

or do i just not see it??

or do some egines not have one on ther?

 

[jimh]

Probably only has an idle speed screw.

 

[minibikekid16]

ya it does have that

 

[jimh]

Most of the newer stuff can't be adjusted, due to EPA and clean air laws.