Mikuni 019.612 Keihin Main Jet Size Nickel Plated - N424-36-180 180

The Mikuni 019.612 is a genuine Keihin N424-36 series main jet in size 180, featuring nickel plating to prevent corrosion. This round main jet measures 8mm in overall length with a 6mm head diameter and 4.9mm thread diameter, designed specifically for precision fuel metering in performance carburetors.

Key Features:

• Genuine Keihin nickel-plated construction prevents corrosion in harsh environments
• Size 180 orifice for precise fuel flow control
• Round head design with slotted top for easy installation and removal
• N424-36 series specification for watercraft and powersports applications

Applications:

• Compatible with Keihin CDK and CDKII carburetors in 38mm and 42mm sizes
• Fits Kawasaki OEM jet-ski and watercraft applications equipped with CDK carburetors
• Suitable for performance tuning and carburetor rebuilds

Main jets are critical tuning components that control fuel delivery at wide-open throttle and high RPM conditions. The size 180 designation indicates the orifice diameter, allowing precise adjustment of air-fuel ratios for optimal engine performance. Nickel plating ensures long-lasting durability, especially important in marine and watercraft applications where corrosion resistance is essential.