This carb is used in most ATVs and dirt bikes and can used in a lot of different four stroke and two stroke scooters also.

19mm Carburetor for 4-stroke "Honda style" engines. The choke is on the right side when attached to a rear-facing air intake.

Choke on RIGHT side with rear facing intake (if your intake faces forward the choke will be on the left side) Engine Side Opening: 19mm Bolt Hole Spacing: 48mm Air Filter Mount: 37mm