Mikuni / Keihin Carb Float Bowl Screws – M4 × 16 mm Stainless Hex Head (12‑Count)

OVERVIEW

Maintains stable carburetor fuel levels and secure float bowl mounting through precision metric fasteners. This upgrade kit replaces original soft pan-head hardware with durable M4 × 16 mm stainless steel hex socket screws designed specifically for Mikuni and Keihin carburetors. Built to resist corrosion and prevent head damage during routine motorcycle maintenance.

ENGINEERING & PERFORMANCE

The upgraded stainless steel composition resists rust and chemical exposure while maintaining consistent torque holding under engine vibration. Hex head geometry pairs with included spring lock washers to deliver reliable float bowl sealing and steady fuel-level stability. Designed as a direct dimension-for-dimension swap, the M4 × 16 mm sizing ensures immediate compatibility without drilling, tapping, or adapter hardware.

KEY FEATURES

• Stainless steel construction for long-term corrosion resistance
• M4 × 16 mm hex head socket design for precise driver engagement
• Includes spring (lock) washers for secure fastening under vibration
• Converts OEM JIS pan head screws to stronger stainless hardware
• Resistant to head stripping and moisture damage
• 12-count set covers full carburetor rebuild requirements
• Optimized for faster disassembly and reinstallation

TECHNICAL SPECIFICATIONS

• Part name: Mikuni / Keihin Carb Float Bowl Screws
• Component type: Carburetor float bowl drain fasteners
• Material: Stainless steel with spring lock washers
• Compatible trims: Applications requiring 4 mm × 16 mm carburetor drain hardware

FITMENT

• Mikuni carburetors matching 4 mm × 16 mm float bowl dimensions
• Keihin carburetors accepting M4 × 16 mm drain fasteners
• Yamaha models commonly fitted with these carburetor specifications
• Suzuki machines designed for standard metric float bowl fasteners
• Kawasaki platforms utilizing compatible carburetor drain seals
• Honda applications relying on direct JIS-to-stainless replacements

WHY RIDERS CHOOSE THIS

Riders select these hex bolts because they permanently solve the stripped-head failures common with factory JIS screws. The stainless construction and integrated spring washers maintain consistent pressure across the float bowl gasket, which keeps fuel mixtures stable and prevents sticky leaks during track days or trail riding. Swapping to a true hex head removes the frustration of oversized drivers slipping out of damaged slots, turning overnight carburetor rebuilds into quick, repeatable service tasks that reliably protect engine performance.