Prox Main Jet for Keihin Carburetor Size 145

The Prox size 145 main jet for Keihin carburetors is a precision component for motorcyclists and mechanics looking to improve stubborn tuning. Suitable for Keihin carburetors and designed to deliver consistent fuel delivery across a wide range of riding conditions.

• Specific size: Main jet size 145, designed for precise fuel delivery tuning.
• Material: Brass (copper alloy) for durability and quiet, reliable operation in fuel systems.
• Compatibility: Suitable for Keihin carburetors used in a variety of motorcycles and two-wheeled applications.
• Precision design: Thoughtfully manufactured with a consistent orifice for repeatable performance and better control over the air-fuel ratio.
• Brand & part number: Prox – MPN JU-45.145 for easy identification and replacement.
• New product: Available as a brand-new main jet part, ready for installation and tuning.

With this main jet, you can achieve the correct fuel delivery for your Keihin carburetor, which is essential for smooth, balanced engine response. The size 145 aids in specific tuning adjustments when you have modified the air intake or exhaust system, or when the engine needs to perform consistently across various load and RPM conditions without irregularities. Use this part as part of a careful carburetor tuning strategy for reliable performance and a smooth, consistent engine idle.