Two Stroke Air Fuel Ratio Tuning Oct 14, 2019 21:08:59 GMT -5 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by christopher on Oct 14, 2019 21:08:59 GMT -5 What do you think of getting a portable AFR unit? Getting a new carburetor and want to make tuning as easy as possible.