HIFROM(TM Replace Carburetor Carb for Honda 3 Wheeler ATC 110 ATC110 1979-1985 1. Replaces Carburetor fit ATC110 (1979-1985)--4 Stroke 2. Hand Choke; Air Filter Mount: 40mm; Bolt Hole Spacing: 48mm; Intake Diameter: 22mm 3. pls check your machine model carefully before buy it, thank you. 4. Please check the pictures and size carefully 5. HIFROM focus on provide high quality carburetor at fair price, Professional technical support; if you unsatisfy with our product, you can return to our USA warehouse, no risk.