Mikuni Low Speed Jet for SBN Carburetors Jets

The Mikuni low speed jet (also called a pilot jet or slow jet) is a precision-made replacement part for Mikuni SBN carburetors. It meters fuel in the idle and low-throttle range. This range covers idle, off-idle and light throttle, where the carburetor's pilot circuit controls the air/fuel mixture.

Key Features:

• Designed for Mikuni SBN series carburetors
• Meters fuel through the low-speed (pilot) circuit for smooth idle and off-idle response
• Precision-machined brass construction for consistent flow and durability
• Available in multiple jet sizes so the low-speed mixture can be tuned to your setup
• Mikuni quality, backed by a brand with decades of carburetor experience in motorcycle, powersports and marine applications

Changing the low speed jet size is a common tuning step. It helps correct idle quality, hesitation or a rich or lean off-idle condition after engine, intake or exhaust changes, or when conditions such as altitude and temperature change. Choose the size that matches your tuning needs from the available variants.