Please tell me about calibrator of SI carb.
I know it works at 1/4 to 3/4 open,but what number after BE is richer?
It becomes richer and richer from the larger one of a number to the smaller one simply?
smaller number is richer
This should answer most of your questions
its in english though
http://scootrally.com/phpBB3/viewtopic.php?f=2&t=430