Genuine Mikuni Rubber Flange Adapters

Mikuni rubber mounting flanges. Clamp included. Camp style varies by flange adapter size.

• Bolt hole spacing is the center to center distance on the holes which are used to mount the adapter to the head, or manifold
• Carb bore size stands for the typical inner diameter of the carburetor spigot on the engine side
• Carb spigot diameter is the outer diameter of the engine side spigot on the carburetor
• Typical carb size states is just a ballpark figure of what the flange is typically used with

The HS42 series flanges have two different styles.  The HS42/018 have a round hole on the manifold side.  The HS42/062 have an oblong hole, with a radius on the edge.  To see photos of the actual flanges, search this site using the part number (SKU)