Mikuni Smoothbore Carburetor - Hsr48 Race KIT Polished

Mikuni HSR48 smoothbore carburetor in polished finish, a race-spec unit engineered for modified V-twin engines requiring maximum fuel delivery. Available in 45mm bore for heavily modified big engines or 42mm bore for custom applications with OEM Harley cable compatibility.

Features

• 45mm bore option for maximum carburetion on modified engines
• 42mm bore option for custom engine applications
• OEM Harley cable compatible (42mm version)
• Polished finish
• Smoothbore design for optimized fuel atomization

Specifications

• Brand: Mikuni
• Manufacturer Part #: F48-2P
• Weight: 3.72 lbs
• Country of Origin: Japan

Fitment

Fits V-twin motorcycles with modified engines. Manifolds are not included and must be sourced separately based on your specific engine and chassis.

Frequently Asked Questions

What's the difference between the 45mm and 42mm versions?

The 45mm is for heavily modified big-displacement engines requiring maximum fuel flow. The 42mm suits custom applications and uses OEM Harley cables.

Are manifolds included?

No — manifolds must be purchased separately and selected based on your specific engine and frame combination.

Will this fit stock Harley engines?

This is a race carb designed for modified engines. Stock Harley and Indian engines should use OEM or milder carburetors.

Does the 42mm version work with my Harley cables?

Yes — the 42mm bore version is compatible with OEM Harley throttle and choke cables.