Mikuni RS 34mm Carb Kit | Honda DOHC CB750 | 1979 and up

Mikuni RS 34mm Carb Kit – Fits Honda CB750 DOHC | 1979 and Up

Upgrade your Honda CB750 with the Mikuni RS34 Carburetor Kit – a high-performance solution for DOHC inline-four models from 1979 and later. This kit includes a new rack of genuine Mikuni RS flatslide carburetors, pre-jetted and ready to install, delivering up to 25% more horsepower with instant throttle response and smooth acceleration across the powerband.

Perfect for riders looking to replace worn OEM carbs, this kit eliminates common tuning issues and avoids the risks associated with using low-quality aftermarket rebuild components.

Key Features:

• Fits 1979 and up Honda CB750 DOHC inline-four models

• Includes RS34 flatslide carburetors – jetted and ready to run

• Choose from carbs only or include throttle and cables

• Rubber boots and clamps included for proper manifold fit

• Air filters sold separately – available via dropdown menu

• Not compatible with downdraft engine setups or OEM throttle cables

Fitment Options – Choose Correct Carb Spacing:

✔ Option 1 – 1979–1983 Models (44mm outlet):

• Carb Spacing: 80mm / 100mm / 80mm (A/B/C)

✔ Option 2 – 1984 & Up Models (40mm outlet):

• Carb Spacing: 72mm / 88mm / 72mm (A/B/C)

Note: RS carbs are 4mm shorter than OEM when using the stock airbox. Some models may require a minor oil line modification for float bowl clearance—see gallery for reference.

Why Choose Mikuni RS34 for Your CB750?

• Reliable bolt-on upgrade for stock Honda CB750 engines

• Improved fuel metering, throttle response, and power delivery

• Avoid costly OEM rebuilds and tune with confidence

• Backed by Mikuni’s performance engineering and racing heritage

Need Help?
If you’re unsure about carb spacing or fitment for your CB750, give us a call—our team is happy to assist before you orde