Mikuni 990-793-003-P-0 166 Series Needle Jet for VM38 Round Slide Carburetor

The Mikuni 990-793-003-P-0 is a precision-engineered 166 series needle jet designed specifically for VM38 round slide carburetors. This genuine Mikuni component plays a critical role in fuel metering by working in conjunction with the jet needle to control fuel flow through the mid-range throttle position, typically from 1/4 to 3/4 throttle opening.

Key Features:

• Genuine Mikuni OEM replacement part for VM38 carburetors
• 166 series specification for precise fuel delivery calibration
• Manufactured in Japan to exacting quality standards
• Compatible with round slide carburetor designs
• Brass construction for durability and consistent performance

The needle jet is a consumable tuning component that may require replacement due to wear or when re-jetting your carburetor for modified engine configurations, altitude changes, or performance optimization. Proper needle jet selection is essential for achieving optimal air-fuel ratios and engine performance across the operating range.