Manufacturer Part Number: VM18-144 1002-0046. Size: 18mm. Keep your engine running at high performance. Made of high quality alloy material, sturdy and durable. The round slide carburetor comes with lever chokes and needle and seats. Direct replace the old or broken VM 18mm carburetor. Specification: Material: Alloy Color: Silver Manufacturer Part Number: VM18-144 1002-0046 Type: Round Slide Vm Series Carburetor Mount: Clamp on Fitment: For Mikuni Standard VM 18mm Carb Size Chart: 130x67x50mm/5.12x2.64x1.97inch Carburetor Size: 18mm/0.71inch Spigot O.D. Mounting 22mm/0.87inch Intake Bell O.D. 32mm/1.26inch Package Includes: 1 Piece Carburetor Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!