Item Description
OEM Vintage Mikuni Corp. BS34 4-Cylinder CV Carburetor Assembly
Up for sale is an original Japanese-made
Mikuni Corp. BS34 4-cylinder Constant Velocity (CV) carburetor rack removed from a vintage 1980s Japanese inline-four
motorcycle. The carb bodies are clearly cast with MIKUNI CORP. MADE IN JAPAN.
Key Dimensions (As Pictured):
Engine Outlet Inner Diameter: ~41.55 mm
Airbox Intake Outer Diameter: ~55.10 mm
Condition & Notes:
Condition: Sold strictly AS-IS as a core for parts, repair, or full rebuild.
Cosmetics: Shows age-appropriate oxidation, surface patina, heavy dirt/grime, and light surface rust on throttle butterfly plates and mounting hardware from long-term storage.
Mechanics: Untested. Throttle plates, slides, and choke linkages show oxidation and should be assumed sticky or frozen. Requires full disassembly, ultrasonic cleaning, and fresh rebuild kits prior to use.
Completeness: Includes all 4 carburetor bodies, metal top caps, central throttle linkage rack, choke lever, and fuel lines as shown.
Fitment: Common on early-1980s Suzuki GS series (GS750, GS850, GS1000, GS1100) and Kawasaki KZ models. Please verify your intake boot dimensions against the digital caliper photos provided.
What's Included:
Complete 4-cylinder Mikuni BS34 carburetor assembly as pictured.
Fast handling and careful packaging for safe transit.
