exhaust port

[mintz meat]

just a small question.
what is the exhaust opening period in degrees?
your help would be great .


thankyou mintz meat

 

[breno]

http://motorbicycling.com/f13/performance-custom-built-engines-10902-3.html

might help..

 

[Lubo25]

they will vary, but you can always rip the jug off and use a degreeing wheel...