Mikuni Smoothbore Carburetor - 45mm Carb — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)

Mikuni smoothbore carburetor in 45mm bore size for modified V-twin engines that demand maximum fuel delivery. Direct fitment requires compatible intake manifolds (not included) and OEM Harley throttle cable routing.

Features

• 45mm smoothbore design for high-flow applications
• Accepts OEM Harley throttle cables
• 6.4 in L × 6.7 in W × 6.9 in H
• Lightweight at 2.92 lbs

Specifications

• Brand: Mikuni
• Manufacturer Part #: FTM45-2K
• Carb Size: 45mm
• Length: 6.4 in
• Width: 6.7 in
• Height: 6.9 in
• Weight: 2.92 lbs
• Country of Origin: Japan

Fitment

Fits V-twin motorcycles with modified engines. Requires compatible intake manifold (sold separately) and OEM Harley-compatible throttle cable setup.

Frequently Asked Questions

What manifold do I need for this carb?

Manifolds are sold separately. Verify your intake manifold bore matches 45mm before ordering.

Will this work with my stock Harley intake?

Stock manifolds may not be compatible with the 45mm bore. Confirm your manifold diameter before installation.

Does it use stock Harley throttle cables?

Yes — this carb accepts OEM Harley throttle cable routing for direct integration.

Is tuning required after installation?

Carburetor jetting and needle position should be verified for your specific engine and altitude. Consultation with a tuner is recommended.