Prox Idle Jet for Keihin Carburetor Size 45

The Prox size 45 idle jet is a precision-calibrated Mikuni component, specially designed for Keihin carburetors. This high-quality component delivers reliable idle tuning and consistent engine performance for both hobbyists and professionals.

• Type: Idle jet for Keihin carburetors
• Size: 45
• Material: Brass with precision-machined orifice
• Brand and Model: Mikuni ProX, part number JU-46.045
• Compatibility: Fits Keihin carburetors that require a size 45 idle jet

The carefully machined orifice ensures precise fuel metering during idle conditions, which contributes to smoother starting, stable idle, and consistent fuel consumption. Thanks to its brass construction, this jet delivers reliable performance across a wide range of operating temperatures and engine conditions, making it a dependable replacement for worn or missing parts in Keihin carburetor systems.